The CMS Muon Detector

Size: px
Start display at page:

Download "The CMS Muon Detector"

Transcription

1 VCI 21 conference 19-23/2/21 The CMS Muon Detector Paolo Giacomelli INFN Sezione di Bologna Univ. of California, Riverside General Overview Drift Tubes Cathode Strip Chambers Resistive Plate Chambers Global Muon Trigger Conclusions

2 The CMS Muon Detector FORWARD CALORIMETER CMS A Compact Solenoidal Detector for LHC MUON CHAMBERS TRACKER CRYSTAL ECAL HCAL Z Y X AIR PADS Total weight : 12,5 t. Overall diameter : 15. m Overall length : 21.6 m Magnetic field : 4 Tesla SUPERCONDUCTING COIL RETURN YOKE CMS-PARA-1-24/11/97 JLB.PP / pg.gm.hr The CMS Muon detector is made of 3 different sub-detectors to ensure redundancy and robustness: Drift Tubes (DT) in the barrel region Cathod Strip Chambers (CSC) in the endcap region and Resistive Plate Chambers (RPC) as dedicated trigger detectors in both the barrel and the endcap 2

3 The CMS Muon Detector µ Trasverse view 5 wheels in the Barrel MB/Z/4/6 YB/Z/3/6 MB/Z/3/6 YB/Z/2/6 MB/Z/2/6 YB/Z/1/6 MB/Z/4/5 YB/Z/3/5 MB/Z/3/5 YB/Z/2/5 MB/Z/2/5 YB/Z/1/5 TC MB/Z/1/6 MB/Z/1/5 TC MB/Z/4/4 YB/Z/3/4 MB/Z/3/4 YB/Z/2/4 MB/Z/2/4 YB/Z/1/4 MB/Z/1/4 TC COIL HB EB YB/Z/2/3 MB/Z/2/3 YB/Z/1/3 MB/Z/1/3 TC YB/Z/3/3 MB/Z/3/3 MB/Z/4/3 YB/Z/2/2 MB/Z/2/2 YB/Z/1/2 MB/Z/1/2 TC MB/Z/3/2 YB/Z/3/2 MB/Z/4/2 3 (φ) sectors MB/Z/4/7 YB/Z/3/7 MB/Z/3/7 YB/Z/2/7 MB/Z/2/7 YB/Z/1/7 MB/Z/1/7 TC MB/Z/4/1 YB/Z/3/1 MB/Z/3/1 YB/Z/2/1 MB/Z/2/1 YB/Z/1/1 MB/Z/1/1 TC MB/Z/4/8 YB/Z/3/8 MB/Z/3/8 YB/Z/2/8 MB/Z/2/8 YRB/Z/1/8 MB/Z/1/8 TC MB/Z/4/9 YB/Z/3/9 MB/Z/3/9 YB/Z/2/9 MB/Z/2/9 YB/Z/1/9 TC MB/Z/1/9 TC MB/Z/1/1 YB/Z/3/1 MB/Z/3/1 YB/Z/2/1 MB/Z/2/1 YB/Z/1/1 MB/Z/2/11 YB/Z/1/11 MB/Z/1/11 TC YB/Z/2/11 MB/Z/3/11 YB/Z/3/11 MB/Z/4/11 MB/Z/1/12 TC MB/Z/2/12 YB/Z/1/12 YB/Z/2/12 MB/Z/3/12 YB/Z/3/12 MB/Z/4/12 Z+ Y ϕ X Towards Center of LHC MB/Z/4/1 Z = -2, -1,, 1, 2 according to the Barrel wheel concerned 4 layers of Muon chambers covering up to η =2.4, providing 3 track segments along a muon track 3

4 /pg/hr Muon Detector Requirements Z 1.23 % g Y C.M.S. Compact Muon Solenoid Longitudinal View 7.43 m m h = ME/4/2 h = 1.1 ME/3/2 ME/2/2 ME/1/3 movement with field on:.5 cm, distributed 6.61 m m h =1 h =.5 YB/2/3 YB/2/2 MB/2/4 MB/2/3 MB/2/2 YB/2/1 Field off YB/1/3 YB/1/2 MB/1/4 MB/1/3 MB/1/2 YB/1/ m MB//4 YB//3 MB//3 YB//2 MB//2 YB// m h = 5.31 HF/ m ME/4/1 YE/ m 1.63 m ME/3/ m YE/ m ME/2/ m 6.66 m 6.45 m 5.68 m 4.2 m 2.95 m m 1.29 m.44 m. m m m m 1.91 m ME/1/2 YE/1 ME/1/1 HE/ m EE/1 SB/1 SE/ m 3.9 m. m 7.38 m 7. m m h = 3. h = 2.4 MB/2/1 2.7 m MB/1/1 MB//1 CB/ HB/ m EB/1 3.8 m m m m. m Field off movement with field on: 1 cm All dimensions are indicated with field off CMS - PARA- 3-14/1/97 PP Muon ID with at least 16 λ down to η =2.4 Standalone transverse momentum res. 8-15% δp t /p t (at 1 GeV), 2-4% δp t /p t (at 1 TeV) Global momentum resolution % δp t /p t Unambiguous BX identification Single and di-muon first level trigger with variable p t thresholds down to η =2.1 Correct charge assignment up to p=7 TeV Ability to withstand the highest radiation and interaction background foreseen at the LHC 4

5 Drift Tubes layout MB1,2,3 = 8 φ-layers + 4 θ-layers MB4 = 8 φ-layers 25 chambers 2 channels Cell Layers RPC RPC wire pitch = 4.2 cm max. drift time = 38 ns SuperLayer DT chamber RPC RPC 5

6 DT basic cell design New design: 18 V - 12 V Nominal voltages Gas mixture Ar(85%) + CO 2 (15%) 36 V Requirements Single cell space resolution 25 µm Chamber space resolution ~ 1 µm BX tagging efficiency 99%, trigger space res. 1-2 mm 6

7 DT time resolution Drift Time Simulation test beam HV: 36/18/-12 V Time Spectrum from TDC ns Meantimer run / 21 Constant Mean Sigma Preliminary: MT / 2 Constant Mean Sigma vdrift = 57mm/ns Resol.= 28 mm (all cells together) MT2 ns ns 7

8 DT test beam results Q4: Single wire resolution (test beam 1999) 8

9 B perp = B cos (φ) B par = B sin (φ) DT magnetic field effects v drift apparent efficiency resolution Drift velocity (mm/ns) Phi = deg. Phi = 1 deg. Phi = 15 deg. Cell efficiency (%) Resolution (mm) Phi = deg. Phi = 1 deg. Phi = 15 deg Phi = deg. Phi = 1 deg. Phi = 15 deg Magnetic field (T) Magnetic field (T) Magnetic field (T) 9

10 DT Local Trigger BTI h x 9 A B C D x 32 BTI BTI TRACO TRACO TRACO TRACO sel 9 5 TSS previews Server Board TSMS full tracks 25 TSMD sel 3 bit TRACO Out Out 1 Out 2 Out 3 Out 4 Out 5 Out 6 Out 7 Out 8 Out 9 Out 1 Out 11 Outer Layer Phi Trigger Board previews 16 TSMD 25 full tracks 2 bit To Sector Collector D = 23.7 cm Xcor Kcor In In 1 In 2 In3 Inner Layer x 32 BTI 2 TST BTI Theta Trigger Board 1 2 Outer SL θ TRIGGER SERVER Inner SL 1

11 track clas selector Assignment Unit Barrel track finder Pairwise Matching - Extrapolation muon station 4 Track Assembler Assignment Unit extrapolation window track segment muon station 3 muon station 2 muon station 1 track found (TS1, TS2, TS3, TS4) pt f h quality f2 -f1 extrapolation result "1/" TS1, TS2, TS3, TS4 11

12 CSC layout 54 Chambers 4, readout channels Sensitive area 6, m 2 (all planes) Offline spatial resolution ~1 mm Trigger spatial precision ~1-2 mm Trigger bunch-tagging efficiency ~99% 12

13 Endcap Muon System Large 1 o (3.4x1.5 m 2 ): 72 ME2/2 chambers 72 ME3/2 chambers (72 ME4/2 chambers) Small 1 o (1.8x1.1 m 2 ): 72 ME1/1 chambers 72 ME1/2 chambers 72 ME1/3 chambers h = 3. h = 2.61 h = 2.85 h = h = h = 1.35 h = h = h = h = h = 1.74 h = h = h = 2.1 h = 2.88 h = CMS DETECTOR ME / 1/ m h = h = 1.44 h =.957 h =.87 h =.783 h =.696 h =.69 h =.522 h =.435 h =.348 h =.261 h =.174 h =.87 h =. ME / 4/2 ME / 4/1 YE / 3 ME / 3/2 ME / 3/1 YE / 2 ME / 2/2 ME / 2/1 YE / 1 ME / 1/2 NOSE ME / 1/1 4.4 m MB / 2/4 MB / 1/4 YB / 2/3 MB / 2/3 YB / 2/2 MB / 2/2 YB / 2/1 MB / 2/1 HE / 1 YB / 1/3 MB / 1/3 YB / 1/2 MB / 1/2 YB / 1/1 MB / 1/1 Coil m HB / 1 EB / 1 MB / /4 YB / /3 MB / /3 YB / /2 MB / /2 YB / /1 MB / / m 7.1 m m m 4.2 m 3.8 m 2.95 m m 1.93 m 1.41 m 1.31 m Small 2 o (1.9x1.5 m 2 h =5.31 ): 36 ME2/1 chambers 36 ME3/1 chambers (36 ME4/1 chambers) m m m.5 1. (meters) HF / m 1.6 m 9.77 m m 8.26 m 6.7 m 6.5 m 5.7 m 3.88 m EE / m 3. m Tracker D_D_141c CMS-RRB 15 April 97 4 Environment random hit rates up to 1 Hz/cm 2 2 khz/channel 4 times larger than mip signals punch-through rates up to 1 Hz/cm 2 penetrate through all six planes of a chamber B-field 3.5 T and uniform in ME1/1-1 T and very non-uniform in some others 13

14 CSC conceptual design CSCs will satisfy the performance requirements, while operating in the CMS/LHC environment muon cathode wires cathode induced charge avalanche cathode with strips wires plane cathode Conceptual design of a CMS EMU CSC Wires trapezoidal chambers length up to 3.4 m width up to 1.5 m 6 planes per chamber 9.5 mm gas gap (per plane) Strips 6.7 to 16. mm strip width strips run radially to measure f-coordinate with ~1 mm precision 5 µm wires spaced by 3.2 mm 5 to 16 wires ganged in groups wires measure r-coordinate gas Ar(4%)+CO 2 (5%)+CF 4 (1%) HV~3.6 kv (Q cathode ~11 fc, Q anode ~14 fc) 14

15 BX Tagging Efficiency (4th time in LCT) CSC time and space resolution Bunch tagging ID efficiency ~99% at maximum LHC rates Spatial resolution <1 mm even for very wide strips: - strip width = 16 mm - o strip width = 12 mm Rates expected at LHC 92% efficiency requirement D strip width = 8 mm six plane chamber resolution (MC) Hit coordinate across strip (x/w) single-plane resolution Rate, Hz/(wire group) 15

16 CSC Anode Trigger 25 ns Time spread per plane is broad: drift, noise, fluctuations in cluster formations "Dr ift" time per plane (ns) A pattern of anode hits, or LCT for Local Charged Track, consistent with a muon track (i.e., pointing back to IP) is searched for (to ensure time overlap, signals are shaped to last 15 ns) 2nd (or 3rd) earliest hit in LCT has a much narrower distribution and can be used for reliable bunch crossing tagging sigma = 3.9 ns 3rd hit in LCT 16

17 CSC Cathode trigger Q C First, hits are localized with precision of a half-strip: Q > threshold Q >Q right Q >Q left Q right >Q left Q L Q R _ + _ + Threshold _ + _ + Then, a track-like pattern of half-strips is searched for (LCT-- local charged track). Expected precision: (w/2)/sqrt(12)=.14*w for normal incidence for wide-spread angles it should be even better 17

18 CSC Trigger m m m m m j q 18

19 R (cm) RPC layout h Z (cm) 19

20 RPC double gap design HV HV Bakelite Gas Bakelite Bakelite Gas Bakelite Frontend strips strip pitch = η x φ ~.1 x 5/16 = 2-1 cm x 1-4 cm 2 mm double gap bakelite resistivity: 2-5 x 1 1 Wcm bakelite thickness: 2 mm gas mixture: 95.5% C 2 H 2 F % iso-c 4 H 1 operating voltage: ~9 kv m RPC m RPC4 Lateral C bar Front-end electronics 2-3 chamb. 256 mm CMS barrel CMS endcap 12 mm indentation Front-end plate Trapezoidal strips and chambers 2

21 Efficiency (%) RPC efficiency and cluster size 98.5% HV=1.4 kv 95% HV=1.1 kv Cluster size < 2.3 strip 93% HV=1.5 kv Cluster with more than 7 strips<5% Source off Source off, random trigger Source off, muon trigger Abs 1, random trigger Abs1, muon trigger Abs5, random trigger Abs 5, muon trigge 21

22 RPC time resolution ABS 1 σ < 1.6 ns Events/1 ns 22

23 RPC Trigger algorithm MS 4 4 L 2T MS 3 MS 2 A T C H E S MS 1 4T LATCHES p t coding 23

24 R (cm) 8 7 Muon Trigger geometry DriftTubes h=.8 h=1. h=1.2 RPC h=2.1 h=2.4 1 CSC Z (cm) 4 Stations in the barrel and each endcap 24

25 Global Muon Trigger (f, df, h, dh) (f, df, h, dh) h f h f h f h f 25

26 Trigger Rate (Hz) Trigger Rate (Hz) Muon Trigger rates vs. p t Barrel: h < 1.4 Endcap: 1.4 < h < Generated DT RPC GMT-opt GMT-and GMT-or Generated CSC RPC GMT-opt GMT-and GMT-or cut muon p T (GeV/c) 1 1 cut muon p T Curves show individual DT, RPC & CSC & 3 Global Muon Trigger Combinations: OR, AND, & optimized selection based on track quality & p t information Single muon trigger rate is 8.1 khz for a threshold of 25 GeV (9% efficient) Dimuon muon trigger rate is 2.8 khz for thresholds of 8, 5 GeV (9% efficient) (GeV/c) 26

27 Efficiency (%) Global Muon Trigger Efficiency DTBX CSC DTBX or CSC 2 RPC GMT (units) 2.5 h gen 27

28 CSC Efficiency (%), h >1.4 RPC Efficiency (%), 1.4< h <2.1 GMT Efficiency (%), 1.4< h <2.4 DT Efficiency (%), h <1.4 RPC Efficiency (%), h <1.4 GMT Efficiency (%), h <1.4 Muon trigger rates turn-on curves DTBX brlrpc brlgmt GeV/c 2 GeV/c 3 GeV/c 4 GeV/c 5 GeV/c 6 GeV/c GeV/c 2 GeV/c 3 GeV/c 4 GeV/c 5 GeV/c 6 GeV/c GeV/c 2 GeV/c 3 GeV/c 4 GeV/c 5 GeV/c 6 GeV/c barrel (GeV/c) p T,gen (GeV/c) 7 p T,gen (GeV/c) p T,gen CSC fwdrpc fwdgmt GeV/c 2 GeV/c 3 GeV/c 4 GeV/c 5 GeV/c 6 GeV/c GeV/c 2 GeV/c 3 GeV/c 4 GeV/c 5 GeV/c 6 GeV/c GeV/c 2 GeV/c 3 GeV/c 4 GeV/c 5 GeV/c 6 GeV/c endcap (GeV/c) p T,gen p T,gen (GeV/c) (GeV/c) p T,gen 28

29 Conclusions The CMS Muon detector will provide good muon identification with 4 independent measurements down to η =2.4 The Muon detector will provide unambiguous BX identification and single and di-muon first level triggers with very high efficiency Test-beam results have proven that the CMS Muon detector will be able to meet the requirements even at the highest LHC luminosities The production of DTs, CSCs and RPCs has started and the detectors will be operational for the first physics runs of LHC, foreseen in the summer of 26 29

The CMS Muon Trigger

The CMS Muon Trigger The CMS Muon Trigger Outline: o CMS trigger system o Muon Lv-1 trigger o Drift-Tubes local trigger o peformance tests CMS Collaboration 1 CERN Large Hadron Collider start-up 2007 target luminosity 10^34

More information

Operation and performance of the CMS Resistive Plate Chambers during LHC run II

Operation and performance of the CMS Resistive Plate Chambers during LHC run II Operation and performance of the CMS Resistive Plate Chambers during LHC run II, Isabel Pedraza Benemérita Universidad Autónoma de Puebla On behalf of the CMS collaboration XXXI Reunión Anual de la División

More information

arxiv: v1 [physics.ins-det] 25 Oct 2012

arxiv: v1 [physics.ins-det] 25 Oct 2012 The RPC-based proposal for the ATLAS forward muon trigger upgrade in view of super-lhc arxiv:1210.6728v1 [physics.ins-det] 25 Oct 2012 University of Michigan, Ann Arbor, MI, 48109 On behalf of the ATLAS

More information

8.882 LHC Physics. Detectors: Muons. [Lecture 11, March 11, 2009] Experimental Methods and Measurements

8.882 LHC Physics. Detectors: Muons. [Lecture 11, March 11, 2009] Experimental Methods and Measurements 8.882 LHC Physics Experimental Methods and Measurements Detectors: Muons [Lecture 11, March 11, 2009] Organization Project 1 (charged track multiplicity) no one handed in so far... well deadline is tomorrow

More information

The CMS Outer HCAL SiPM Upgrade.

The CMS Outer HCAL SiPM Upgrade. The CMS Outer HCAL SiPM Upgrade. Artur Lobanov on behalf of the CMS collaboration DESY Hamburg CALOR 2014, Gießen, 7th April 2014 Outline > CMS Hadron Outer Calorimeter > Commissioning > Cosmic data Artur

More information

The Compact Muon Solenoid Experiment. Conference Report. Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland. CMS detector performance.

The Compact Muon Solenoid Experiment. Conference Report. Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland. CMS detector performance. Available on CMS information server CMS CR -2017/412 The Compact Muon Solenoid Experiment Conference Report Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland 08 November 2017 (v3, 17 November 2017)

More information

The trigger system of the muon spectrometer of the ALICE experiment at the LHC

The trigger system of the muon spectrometer of the ALICE experiment at the LHC The trigger system of the muon spectrometer of the ALICE experiment at the LHC Francesco Bossù for the ALICE collaboration University and INFN of Turin Siena, 09 June 2010 Outline 1 Introduction 2 Muon

More information

Construction and Performance of the stgc and MicroMegas chambers for ATLAS NSW Upgrade

Construction and Performance of the stgc and MicroMegas chambers for ATLAS NSW Upgrade Construction and Performance of the stgc and MicroMegas chambers for ATLAS NSW Upgrade Givi Sekhniaidze INFN sezione di Napoli On behalf of ATLAS NSW community 14th Topical Seminar on Innovative Particle

More information

optimal hermeticity to reduce backgrounds in missing energy channels, especially to veto two-photon induced events.

optimal hermeticity to reduce backgrounds in missing energy channels, especially to veto two-photon induced events. The TESLA Detector Klaus Mönig DESY-Zeuthen For the superconducting linear collider TESLA a multi purpose detector has been designed. This detector is optimised for the important physics processes expected

More information

Tracking and Alignment in the CMS detector

Tracking and Alignment in the CMS detector Tracking and Alignment in the CMS detector Frédéric Ronga (CERN PH-CMG) for the CMS collaboration 10th Topical Seminar on Innovative Particle and Radiation Detectors Siena, October 1 5 2006 Contents 1

More information

Performance of the ATLAS Muon Trigger in Run I and Upgrades for Run II

Performance of the ATLAS Muon Trigger in Run I and Upgrades for Run II Journal of Physics: Conference Series PAPER OPEN ACCESS Performance of the ALAS Muon rigger in Run I and Upgrades for Run II o cite this article: Dai Kobayashi and 25 J. Phys.: Conf. Ser. 664 926 Related

More information

1 Detector simulation

1 Detector simulation 1 Detector simulation Detector simulation begins with the tracking of the generated particles in the CMS sensitive volume. For this purpose, CMS uses the GEANT4 package [1], which takes into account the

More information

The Status of ATLAS. Xin Wu, University of Geneva On behalf of the ATLAS collaboration. X. Wu, HCP2009, Evian, 17/11/09 ATL-GEN-SLIDE

The Status of ATLAS. Xin Wu, University of Geneva On behalf of the ATLAS collaboration. X. Wu, HCP2009, Evian, 17/11/09 ATL-GEN-SLIDE ATL-GEN-SLIDE-2009-356 18 November 2009 The Status of ATLAS Xin Wu, University of Geneva On behalf of the ATLAS collaboration 1 ATLAS and the people who built it 25m high, 44m long Total weight 7000 tons

More information

A Cosmic Muon Tracking Algorithm for the CMS RPC based Technical Trigger

A Cosmic Muon Tracking Algorithm for the CMS RPC based Technical Trigger A Cosmic Muon Tracking Algorithm for the CMS RPC based Technical Trigger by Rajan Raj Thilak Department of Physics University of Bari INFN on behalf of the CMS RPC-Trigger Group (Bari, Frascati, Sofia,

More information

CMS Note Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland

CMS Note Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland Available on CMS information server CMS NOTE 1997/084 The Compact Muon Solenoid Experiment CMS Note Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland 29 August 1997 Muon Track Reconstruction Efficiency

More information

Track Triggers for ATLAS

Track Triggers for ATLAS Track Triggers for ATLAS André Schöning University Heidelberg 10. Terascale Detector Workshop DESY 10.-13. April 2017 from https://www.enterprisedb.com/blog/3-ways-reduce-it-complexitydigital-transformation

More information

Construction and Performance of the stgc and Micromegas chambers for ATLAS NSW Upgrade

Construction and Performance of the stgc and Micromegas chambers for ATLAS NSW Upgrade Construction and Performance of the stgc and Micromegas chambers for ATLAS NSW Upgrade Givi Sekhniaidze INFN sezione di Napoli On behalf of ATLAS NSW community 14th Topical Seminar on Innovative Particle

More information

The 1st Result of Global Commissioning of the ATALS Endcap Muon Trigger System in ATLAS Cavern

The 1st Result of Global Commissioning of the ATALS Endcap Muon Trigger System in ATLAS Cavern The 1st Result of Global Commissioning of the ATALS Endcap Muon Trigger System in ATLAS Cavern Takuya SUGIMOTO (Nagoya University) On behalf of TGC Group ~ Contents ~ 1. ATLAS Level1 Trigger 2. Endcap

More information

arxiv: v2 [physics.ins-det] 20 Oct 2008

arxiv: v2 [physics.ins-det] 20 Oct 2008 Commissioning of the ATLAS Inner Tracking Detectors F. Martin University of Pennsylvania, Philadelphia, PA 19104, USA On behalf of the ATLAS Inner Detector Collaboration arxiv:0809.2476v2 [physics.ins-det]

More information

Status of the LHCb Experiment

Status of the LHCb Experiment Status of the LHCb Experiment Werner Witzeling CERN, Geneva, Switzerland On behalf of the LHCb Collaboration Introduction The LHCb experiment aims to investigate CP violation in the B meson decays at LHC

More information

The Compact Muon Solenoid Experiment. Conference Report. Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland

The Compact Muon Solenoid Experiment. Conference Report. Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland Available on CMS information server CMS CR -2017/402 The Compact Muon Solenoid Experiment Conference Report Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland 06 November 2017 Commissioning of the

More information

ATLAS Muon Trigger and Readout Considerations. Yasuyuki Horii Nagoya University on Behalf of the ATLAS Muon Collaboration

ATLAS Muon Trigger and Readout Considerations. Yasuyuki Horii Nagoya University on Behalf of the ATLAS Muon Collaboration ATLAS Muon Trigger and Readout Considerations Yasuyuki Horii Nagoya University on Behalf of the ATLAS Muon Collaboration ECFA High Luminosity LHC Experiments Workshop - 2016 ATLAS Muon System Overview

More information

Muon Collider background rejection in ILCroot Si VXD and Tracker detectors

Muon Collider background rejection in ILCroot Si VXD and Tracker detectors Muon Collider background rejection in ILCroot Si VXD and Tracker detectors N. Terentiev (Carnegie Mellon U./Fermilab) MAP 2014 Winter Collaboration Meeting Dec. 3-7, 2014 SLAC New MARS 1.5 TeV Muon Collider

More information

GEM beam test for the BESIII experiment

GEM beam test for the BESIII experiment RD51 week meeting CERN, Dec 09 2014 GEM beam test for the BESIII experiment Riccardo Farinelli (INFN Ferrara) a joint Kloe / BES III CGEM groups effort (INFN Ferrara, Frascati, Torino) Partially supported

More information

Aging studies for the CMS RPC system

Aging studies for the CMS RPC system Aging studies for the CMS RPC system Facultad de Ciencias Físico-Matemáticas, Benemérita Universidad Autónoma de Puebla, Mexico E-mail: jan.eysermans@cern.ch María Isabel Pedraza Morales Facultad de Ciencias

More information

Trigger Overview. Wesley Smith, U. Wisconsin CMS Trigger Project Manager. DOE/NSF Review April 12, 2000

Trigger Overview. Wesley Smith, U. Wisconsin CMS Trigger Project Manager. DOE/NSF Review April 12, 2000 Overview Wesley Smith, U. Wisconsin CMS Project Manager DOE/NSF Review April 12, 2000 1 TriDAS Main Parameters Level 1 Detector Frontend Readout Systems Event Manager Builder Networks Run Control System

More information

Design and Construction of Large Size Micromegas Chambers for the ATLAS Phase-1 upgrade of the Muon Spectrometer

Design and Construction of Large Size Micromegas Chambers for the ATLAS Phase-1 upgrade of the Muon Spectrometer Advancements in Nuclear Instrumenta2on Measurement Methods and their Applica2ons 20-24 April 2015, Lisbon Congress Center Design and Construction of Large Size Micromegas Chambers for the ATLAS Phase-1

More information

The LHCb trigger system

The LHCb trigger system IL NUOVO CIMENTO Vol. 123 B, N. 3-4 Marzo-Aprile 2008 DOI 10.1393/ncb/i2008-10523-9 The LHCb trigger system D. Pinci( ) INFN, Sezione di Roma - Rome, Italy (ricevuto il 3 Giugno 2008; pubblicato online

More information

Recent Developments in Gaseous Tracking Detectors

Recent Developments in Gaseous Tracking Detectors Recent Developments in Gaseous Tracking Detectors Stefan Roth RWTH Aachen 1 Outline: 1. Micro pattern gas detectors (MPGD) 2. Triple GEM detector for LHC-B 3. A TPC for TESLA 2 Micro Strip Gas Chamber

More information

Installation, Commissioning and Performance of the CMS Electromagnetic Calorimeter (ECAL) Electronics

Installation, Commissioning and Performance of the CMS Electromagnetic Calorimeter (ECAL) Electronics Installation, Commissioning and Performance of the CMS Electromagnetic Calorimeter (ECAL) Electronics How to compose a very very large jigsaw-puzzle CMS ECAL Sept. 17th, 2008 Nicolo Cartiglia, INFN, Turin,

More information

Status of ATLAS & CMS Experiments

Status of ATLAS & CMS Experiments Status of ATLAS & CMS Experiments Atlas S.C. Magnet system Large Air-Core Toroids for µ Tracking 2Tesla Solenoid for inner Tracking (7*2.5m) ECAL & HCAL outside Solenoid Solenoid integrated in ECAL Barrel

More information

The Compact Muon Solenoid Experiment at the LHC. Images of Assembly and Installation

The Compact Muon Solenoid Experiment at the LHC. Images of Assembly and Installation The Compact Muon Solenoid Experiment at the LHC Images of Assembly and Installation Contents 1. Civil Engineering Pages 8 to 13 2. Assembly in the Surface Building Pages 14 to 35 3. Lowering of the Heavy

More information

CMS RPC HL-LHC upgrade with fast timing detectors

CMS RPC HL-LHC upgrade with fast timing detectors Maxime Gouzevitch CMS RPC HL-LHC upgrade with fast timing detectors on behalf of the CMS MUON group ICHEP, SEOUL, 2018 1) RPC upgrade project and motivation 2-3) Requirements and design 4-7) Validation

More information

The CLEO-III Drift Chamber Vienna Conference on Instrumentation, 19-February-2001 Daniel Peterson, Cornell University

The CLEO-III Drift Chamber Vienna Conference on Instrumentation, 19-February-2001 Daniel Peterson, Cornell University The CLEO-III Drift Chamber Vienna Conference on Instrumentation, 19-February-2001 Daniel Peterson, Cornell University K. Berkelman R. Briere G. Chen D. Cronin-Hennessy S. Csorna M. Dickson S. von Dombrowski

More information

The Compact Muon Solenoid Experiment. Conference Report. Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland

The Compact Muon Solenoid Experiment. Conference Report. Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland Available on CMS information server CMS CR -2016/370 The Compact Muon Solenoid Experiment Conference Report Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland 13 November 2016 (v2, 13 February 2017)

More information

The ATLAS Muon System

The ATLAS Muon System 22/12/2015 The ATLAS Muon System Massimo Corradi (INFN Roma-1) 1 Summary Overall design Track reconstruction Performance measurements Trigger Outlook 2 specifications Physics Requirements from the Technical

More information

Status of the Continuous Ion Back Flow Module for TPC Detector

Status of the Continuous Ion Back Flow Module for TPC Detector Status of the Continuous Ion Back Flow Module for TPC Detector Huirong QI Institute of High Energy Physics, CAS August 25 th, 2016, USTC, Heifei - 1 - Outline Motivation and goals Hybrid Gaseous Detector

More information

BaBar and PEP II. Physics

BaBar and PEP II. Physics BaBar and PEP II BaBar SVT DCH DIRC ECAL IFR Trigger Carsten Hast LAL Orsay December 8th 2000 Physics Main Goal: CP Violation sin2β,sin2α PEP II Performance Backgrounds December 8th 2000 Carsten Hast PEP

More information

PoS(EPS-HEP2017)476. The CMS Tracker upgrade for HL-LHC. Sudha Ahuja on behalf of the CMS Collaboration

PoS(EPS-HEP2017)476. The CMS Tracker upgrade for HL-LHC. Sudha Ahuja on behalf of the CMS Collaboration UNESP - Universidade Estadual Paulista (BR) E-mail: sudha.ahuja@cern.ch he LHC machine is planning an upgrade program which will smoothly bring the luminosity to about 5 34 cm s in 228, to possibly reach

More information

Micromegas calorimetry R&D

Micromegas calorimetry R&D Micromegas calorimetry R&D June 1, 214 The Micromegas R&D pursued at LAPP is primarily intended for Particle Flow calorimetry at future linear colliders. It focuses on hadron calorimetry with large-area

More information

Lecture 11. Complex Detector Systems

Lecture 11. Complex Detector Systems Lecture 11 Complex Detector Systems 1 Dates 14.10. Vorlesung 1 T.Stockmanns 1.10. Vorlesung J.Ritman 8.10. Vorlesung 3 J.Ritman 04.11. Vorlesung 4 J.Ritman 11.11. Vorlesung 5 J.Ritman 18.11. Vorlesung

More information

Upgrade of the ATLAS Thin Gap Chamber Electronics for HL-LHC. Yasuyuki Horii, Nagoya University, on Behalf of the ATLAS Muon Collaboration

Upgrade of the ATLAS Thin Gap Chamber Electronics for HL-LHC. Yasuyuki Horii, Nagoya University, on Behalf of the ATLAS Muon Collaboration Upgrade of the ATLAS Thin Gap Chamber Electronics for HL-LHC Yasuyuki Horii, Nagoya University, on Behalf of the ATLAS Muon Collaboration TWEPP 2017, UC Santa Cruz, 12 Sep. 2017 ATLAS Muon System Overview

More information

CMS Note Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland

CMS Note Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland Available on CMS information server CMS NOTE 1998/065 The Compact Muon Solenoid Experiment CMS Note Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland 21-st Oct 1998 Results of tests of Inverted

More information

Performance of 8-stage Multianode Photomultipliers

Performance of 8-stage Multianode Photomultipliers Performance of 8-stage Multianode Photomultipliers Introduction requirements by LHCb MaPMT characteristics System integration Test beam and Lab results Conclusions MaPMT Beetle1.2 9 th Topical Seminar

More information

arxiv: v2 [physics.ins-det] 13 Oct 2015

arxiv: v2 [physics.ins-det] 13 Oct 2015 Preprint typeset in JINST style - HYPER VERSION Level-1 pixel based tracking trigger algorithm for LHC upgrade arxiv:1506.08877v2 [physics.ins-det] 13 Oct 2015 Chang-Seong Moon and Aurore Savoy-Navarro

More information

L1 Trigger Activities at UF. The CMS Level-1 1 Trigger

L1 Trigger Activities at UF. The CMS Level-1 1 Trigger L1 Trigger Activities at UF Current team: Darin Acosta (PI) Alex Madorsky (engineer) Lev Uvarov (PNPI engineer) Victor Golovtsov (PNPI engineer) Daniel Holmes (postdoc, CERN-based) Bobby Scurlock (grad

More information

Hardware Trigger Processor for the MDT System

Hardware Trigger Processor for the MDT System University of Massachusetts Amherst E-mail: tcpaiva@cern.ch We are developing a low-latency hardware trigger processor for the Monitored Drift Tube system for the Muon Spectrometer of the ATLAS Experiment.

More information

CMS SLHC Tracker Upgrade: Selected Thoughts, Challenges and Strategies

CMS SLHC Tracker Upgrade: Selected Thoughts, Challenges and Strategies : Selected Thoughts, Challenges and Strategies CERN Geneva, Switzerland E-mail: marcello.mannelli@cern.ch Upgrading the CMS Tracker for the SLHC presents many challenges, of which the much harsher radiation

More information

Muons & Particle ID. Muon/PID Studies

Muons & Particle ID. Muon/PID Studies Muons & Particle ID Muon/PID Studies Global Simulation Software Dev. - A. Maciel - NIU - Tracking/ID w/µ, π, bb events C. Milstene NIU/FNAL Scintillator Module R&D Overview G. Fisk FNAL MAPMT Tests/Calib/FE

More information

DHCAL Prototype Construction José Repond Argonne National Laboratory

DHCAL Prototype Construction José Repond Argonne National Laboratory DHCAL Prototype Construction José Repond Argonne National Laboratory Linear Collider Workshop Stanford University March 18 22, 2005 Digital Hadron Calorimeter Fact Particle Flow Algorithms improve energy

More information

Development of Large Area and of Position Sensitive Timing RPCs

Development of Large Area and of Position Sensitive Timing RPCs Development of Large Area and of Position Sensitive Timing RPCs A.Blanco, C.Finck, R. Ferreira Marques, P.Fonte, A.Gobbi, A.Policarpo and M.Rozas LIP, Coimbra, Portugal. GSI, Darmstadt, Germany Univ. de

More information

Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4. Final design and pre-production.

Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4 Q1-2 Q3-4. Final design and pre-production. high-granularity sfcal Performance simulation, option selection and R&D Figure 41. Overview of the time-line and milestones for the implementation of the high-granularity sfcal. tooling and cryostat modification,

More information

Triple GEM detector as beam monitor Monitors for Crystal experiment at SPS A compact Time Projection chamber with GEM

Triple GEM detector as beam monitor Monitors for Crystal experiment at SPS A compact Time Projection chamber with GEM Applications with Triple GEM Detector B.Buonomo, G.Corradi, F.Murtas, G.Mazzitelli, M.Pistilli, M.Poli Lener, D.Tagnani Laboratori Nazionali di Frascati INFN P.Valente Sezione Roma INFN Triple GEM detector

More information

The LHCb Upgrade BEACH Simon Akar on behalf of the LHCb collaboration

The LHCb Upgrade BEACH Simon Akar on behalf of the LHCb collaboration The LHCb Upgrade BEACH 2014 XI International Conference on Hyperons, Charm and Beauty Hadrons! University of Birmingham, UK 21-26 July 2014 Simon Akar on behalf of the LHCb collaboration Outline The LHCb

More information

Spectrometer cavern background

Spectrometer cavern background ATLAS ATLAS Muon Muon Spectrometer Spectrometer cavern cavern background background LPCC Simulation Workshop 19 March 2014 Jochen Meyer (CERN) for the ATLAS Collaboration Outline ATLAS Muon Spectrometer

More information

Expected Performance of the ATLAS Inner Tracker at the High-Luminosity LHC

Expected Performance of the ATLAS Inner Tracker at the High-Luminosity LHC Expected Performance of the ATLAS Inner Tracker at the High-Luminosity LHC Noemi Calace noemi.calace@cern.ch On behalf of the ATLAS Collaboration 25th International Workshop on Deep Inelastic Scattering

More information

Performance studies of large-area triple-gem prototypes for future upgrades of the CMS forward muon system

Performance studies of large-area triple-gem prototypes for future upgrades of the CMS forward muon system Performance studies of large-area triple-gem prototypes for future upgrades of the CMS forward muon system Salvatore A. UPPUI, M. Abbrescia, A. Colaleo, G. de Robertis, F. Loddo, M. Maggi, S. Nuzzo Politecnico

More information

irpc upgrade project for CMS during HL-LHC program

irpc upgrade project for CMS during HL-LHC program irpc upgrade project for CMS during HL-LHC program 1) CMS muon spectrometer 2) irpc project 3) Team, activities, timing M. Gouzevitch (IPNL, France) and T.J Kim (Hanyang University, Korea) FJPPL/FKPPL

More information

What do the experiments want?

What do the experiments want? What do the experiments want? prepared by N. Hessey, J. Nash, M.Nessi, W.Rieger, W. Witzeling LHC Performance Workshop, Session 9 -Chamonix 2010 slhcas a luminosity upgrade The physics potential will be

More information

Attilio Andreazza INFN and Università di Milano for the ATLAS Collaboration The ATLAS Pixel Detector Efficiency Resolution Detector properties

Attilio Andreazza INFN and Università di Milano for the ATLAS Collaboration The ATLAS Pixel Detector Efficiency Resolution Detector properties 10 th International Conference on Large Scale Applications and Radiation Hardness of Semiconductor Detectors Offline calibration and performance of the ATLAS Pixel Detector Attilio Andreazza INFN and Università

More information

5. RESISTIVE PLATE CHAMBERS

5. RESISTIVE PLATE CHAMBERS 5. RESISTIVE PLATE CHAMBERS 5.1 GENERAL DESCRIPTION 5.1.1 Overview Resistive Plate Chambers (RPC) are gaseous parallel-plate detectors that combine good spatial resolution with a time resolution comparable

More information

Muon reconstruction in ATLAS

Muon reconstruction in ATLAS Muon reconstruction in ATLAS Niels van Eldik CERN Muons for physics analysis: Four flavors Combined muons: ID+MS hits + full track fit the bulk of all muons Standalone muons track in the MS, no associated

More information

3.1 Introduction, design of HERA B

3.1 Introduction, design of HERA B 3. THE HERA B EXPERIMENT In this chapter we discuss the setup of the HERA B experiment. We start with an introduction on the design of HERA B (section 3.1) and a short description of the accelerator (section

More information

Trigger and Data Acquisition at the Large Hadron Collider

Trigger and Data Acquisition at the Large Hadron Collider Trigger and Data Acquisition at the Large Hadron Collider Acknowledgments This overview talk would not exist without the help of many colleagues and all the material available online I wish to thank the

More information

Trigger Rate Dependence and Gas Mixture of MRPC for the LEPS2 Experiment at SPring-8

Trigger Rate Dependence and Gas Mixture of MRPC for the LEPS2 Experiment at SPring-8 Trigger Rate Dependence and Gas Mixture of MRPC for the LEPS2 Experiment at SPring-8 1 Institite of Physics, Academia Sinica 128 Sec. 2, Academia Rd., Nankang, Taipei 11529, Taiwan cyhsieh0531@gmail.com

More information

Tests of the CMS Level-1 Regional Calorimeter Trigger Prototypes

Tests of the CMS Level-1 Regional Calorimeter Trigger Prototypes Tests of the CMS Level-1 Regional Calorimeter Trigger Prototypes W.H.Smith, P. Chumney, S. Dasu, M. Jaworski, J. Lackey, P. Robl, Physics Department, University of Wisconsin, Madison, WI, USA 8th Workshop

More information

James W. Rohlf. Super-LHC: The Experimental Program. Boston University. Int. Workshop on Future Hadron Colliders Fermilab, 17 October 2003

James W. Rohlf. Super-LHC: The Experimental Program. Boston University. Int. Workshop on Future Hadron Colliders Fermilab, 17 October 2003 Int. Workshop on Future Hadron Colliders Fermilab, 17 October 2003 Super-LHC: The Experimental Program James W. Rohlf Boston University Rohlf/SLHC p.1/69 SLHC SLHC experimental overview Machine Detectors

More information

Hardware Trigger Processor for the MDT System

Hardware Trigger Processor for the MDT System University of Massachusetts Amherst E-mail: tcpaiva@cern.ch We are developing a low-latency hardware trigger processor for the Monitored Drift Tube system in the Muon spectrometer. The processor will fit

More information

THE LHC is expected to be upgraded to the HL-LHC

THE LHC is expected to be upgraded to the HL-LHC Testing stgc with small angle wire edges for the ATLAS New Small Wheel Muon Detector Upgrade Itamar Roth, Amit Klier and Ehud Duchovni arxiv:1506.01277v1 [physics.ins-det] 2 Jun 2015 Abstract The LHC upgrade

More information

Overall Design Considerations for a Detector System at HIEPA

Overall Design Considerations for a Detector System at HIEPA Overall Design Considerations for a Detector System at HIEPA plus more specific considerations for tracking subdetectors Jianbei Liu For the USTC HIEPA detector team State Key Laboratory of Particle Detection

More information

Current Status of ATLAS Endcap Muon Trigger System

Current Status of ATLAS Endcap Muon Trigger System Current Status of ATLAS Endcap Muon Trigger System Takuya SUGIMOTO Nagoya University On behalf of ATLAS Japan TGC Group Contents 1. Introduction 2. Assembly and installation of TGC 3. Readout test at assembly

More information

Commissioning Status and Results of ATLAS Level1 Endcap Muon Trigger System. Yasuyuki Okumura. Nagoya TWEPP 2008

Commissioning Status and Results of ATLAS Level1 Endcap Muon Trigger System. Yasuyuki Okumura. Nagoya TWEPP 2008 Commissioning Status and Results of ATLAS Level1 Endcap Muon Trigger System Yasuyuki Okumura Nagoya University @ TWEPP 2008 ATLAS Trigger DAQ System Trigger in LHC-ATLAS Experiment 3-Level Trigger System

More information

First-level trigger systems at LHC. Nick Ellis EP Division, CERN, Geneva

First-level trigger systems at LHC. Nick Ellis EP Division, CERN, Geneva First-level trigger systems at LHC Nick Ellis EP Division, CERN, Geneva 1 Outline Requirements from physics and other perspectives General discussion of first-level trigger implementations Techniques and

More information

CMS Note Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland

CMS Note Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland Available on CMS information server CMS NOTE 1997/78 The Compact Muon Solenoid Experiment CMS Note Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland 9 July 1997 Tests of Cathode Strip Chamber Prototypes

More information

LHCb Preshower(PS) and Scintillating Pad Detector (SPD): commissioning, calibration, and monitoring

LHCb Preshower(PS) and Scintillating Pad Detector (SPD): commissioning, calibration, and monitoring LHCb Preshower(PS) and Scintillating Pad Detector (SPD): commissioning, calibration, and monitoring Eduardo Picatoste Olloqui on behalf of the LHCb Collaboration Universitat de Barcelona, Facultat de Física,

More information

First Results with the Prototype Detectors of the Si/W ECAL

First Results with the Prototype Detectors of the Si/W ECAL First Results with the Prototype Detectors of the Si/W ECAL David Strom University of Oregon Physics Design Requirements Detector Concept Silicon Detectors - Capacitance and Trace Resistance Implications

More information

CMS Phase 2 Upgrade: Preliminary Plan and Cost Estimate

CMS Phase 2 Upgrade: Preliminary Plan and Cost Estimate CMS Phase 2 Upgrade: Preliminary Plan and Cost Estimate CMS Collaboration Submitted to the CERN LHC Experiments Resource Review Board October 2013 Abstract With the major discovery of a Higgs boson in

More information

The Compact Muon Solenoid Experiment. Conference Report. Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland

The Compact Muon Solenoid Experiment. Conference Report. Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland Available on CMS information server CMS CR -2015/213 The Compact Muon Solenoid Experiment Conference Report Mailing address: CMS CERN, CH-1211 GENEVA 23, Switzerland 05 October 2015 (v2, 12 October 2015)

More information

CMS Tracker Upgrades. R&D Plans, Present Status and Perspectives. Benedikt Vormwald Hamburg University on behalf of the CMS collaboration

CMS Tracker Upgrades. R&D Plans, Present Status and Perspectives. Benedikt Vormwald Hamburg University on behalf of the CMS collaboration R&D Plans, Present Status and Perspectives Benedikt Vormwald Hamburg University on behalf of the CMS collaboration EPS-HEP 2015 Vienna, 22.-29.07.2015 CMS Tracker Upgrade Program LHC HL-LHC ECM[TeV] 7-8

More information

KLM detector for SuperB

KLM detector for SuperB P. Pakhlov (ITEP) KLM detector for SuperB 1 st Open meeting of the SuperKEKB Collaboration Motivation for a new KLM design The present RPC design for KLM demonstrated nice performance at Belle However,

More information

ATLAS ITk and new pixel sensors technologies

ATLAS ITk and new pixel sensors technologies IL NUOVO CIMENTO 39 C (2016) 258 DOI 10.1393/ncc/i2016-16258-1 Colloquia: IFAE 2015 ATLAS ITk and new pixel sensors technologies A. Gaudiello INFN, Sezione di Genova and Dipartimento di Fisica, Università

More information

Measurement of the charged particle density with the ATLAS detector: First data at vs = 0.9, 2.36 and 7 TeV Kayl, M.S.

Measurement of the charged particle density with the ATLAS detector: First data at vs = 0.9, 2.36 and 7 TeV Kayl, M.S. UvA-DARE (Digital Academic Repository) Measurement of the charged particle density with the ATLAS detector: First data at vs = 0.9, 2.36 and 7 TeV Kayl, M.S. Link to publication Citation for published

More information

Pixel sensors with different pitch layouts for ATLAS Phase-II upgrade

Pixel sensors with different pitch layouts for ATLAS Phase-II upgrade Pixel sensors with different pitch layouts for ATLAS Phase-II upgrade Different pitch layouts are considered for the pixel detector being designed for the ATLAS upgraded tracking system which will be operating

More information

Development of large readout area, high time resolution RPCs for LEPS2 at SPring-8

Development of large readout area, high time resolution RPCs for LEPS2 at SPring-8 Development of large readout area, high time resolution RPCs for LEPS2 at SPring-8 1 Department of physics, Kyoto University Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan E-mail: natsuki@scphys.kyoto-u.ac.jp

More information

Silicon Sensor and Detector Developments for the CMS Tracker Upgrade

Silicon Sensor and Detector Developments for the CMS Tracker Upgrade Silicon Sensor and Detector Developments for the CMS Tracker Upgrade Università degli Studi di Firenze and INFN Sezione di Firenze E-mail: candi@fi.infn.it CMS has started a campaign to identify the future

More information

`First ep events in the Zeus micro vertex detector in 2002`

`First ep events in the Zeus micro vertex detector in 2002` Amsterdam 18 dec 2002 `First ep events in the Zeus micro vertex detector in 2002` Erik Maddox, Zeus group 1 History (1): HERA I (1992-2000) Lumi: 117 pb -1 e +, 17 pb -1 e - Upgrade (2001) HERA II (2001-2006)

More information

CMS Silicon Strip Tracker: Operation and Performance

CMS Silicon Strip Tracker: Operation and Performance CMS Silicon Strip Tracker: Operation and Performance Laura Borrello Purdue University, Indiana, USA on behalf of the CMS Collaboration Outline The CMS Silicon Strip Tracker (SST) SST performance during

More information

OPERA RPC: installation and underground test results

OPERA RPC: installation and underground test results VII Workshop on Resistive Plate Chambers and Related Detectors Korea University, Seoul October 10-12, 2005 The OPERA RPC system: installation and underground test results A. Longhin (INFN & Padova University)

More information

A Large Low-mass GEM Detector with Zigzag Readout for Forward Tracking at EIC

A Large Low-mass GEM Detector with Zigzag Readout for Forward Tracking at EIC MPGD 2017 Applications at future nuclear and particle physics facilities Session IV Temple University May 24, 2017 A Large Low-mass GEM Detector with Zigzag Readout for Forward Tracking at EIC Marcus Hohlmann

More information

First-level trigger systems at LHC

First-level trigger systems at LHC First-level trigger systems at LHC N. Ellis CERN, 1211 Geneva 23, Switzerland Nick.Ellis@cern.ch Abstract Some of the challenges of first-level trigger systems in the LHC experiments are discussed. The

More information

L1 Track Finding For a TiME Multiplexed Trigger

L1 Track Finding For a TiME Multiplexed Trigger V INFIERI WORKSHOP AT CERN 27/29 APRIL 215 L1 Track Finding For a TiME Multiplexed Trigger DAVIDE CIERI, K. HARDER, C. SHEPHERD, I. TOMALIN (RAL) M. GRIMES, D. NEWBOLD (UNIVERSITY OF BRISTOL) I. REID (BRUNEL

More information

Operation and Performance of the ATLAS Level-1 Calorimeter and Level-1 Topological Triggers in Run 2 at the LHC

Operation and Performance of the ATLAS Level-1 Calorimeter and Level-1 Topological Triggers in Run 2 at the LHC Operation and Performance of the ATLAS Level-1 Calorimeter and Level-1 Topological Triggers in Run 2 at the LHC Kirchhoff-Institute for Physics (DE) E-mail: sebastian.mario.weber@cern.ch ATL-DAQ-PROC-2017-026

More information

The ATLAS detector at the LHC

The ATLAS detector at the LHC The ATLAS detector at the LHC Andrée Robichaud-Véronneau on behalf of the ATLAS collaboration Université de Genève July 17th, 2009 Abstract The world s largest multi-purpose particle detector, ATLAS, is

More information

Development of a Highly Selective First-Level Muon Trigger for ATLAS at HL-LHC Exploiting Precision Muon Drift-Tube Data

Development of a Highly Selective First-Level Muon Trigger for ATLAS at HL-LHC Exploiting Precision Muon Drift-Tube Data Development of a Highly Selective First-Level Muon Trigger for ATLAS at HL-LHC Exploiting Precision Muon Drift-Tube Data S. Abovyan, V. Danielyan, M. Fras, P. Gadow, O. Kortner, S. Kortner, H. Kroha, F.

More information

Status of the CSC Track-Finder

Status of the CSC Track-Finder Status of the CSC Track-Finder Darin Acosta University of Florida May 2000 D. Acosta, University of Florida TriDAS Review May 2000 1 Outline Overview of the CSC trigger system Sector Receiver Sector Processor

More information

Thin Silicon R&D for LC applications

Thin Silicon R&D for LC applications Thin Silicon R&D for LC applications D. Bortoletto Purdue University Status report Hybrid Pixel Detectors for LC Next Linear Collider:Physic requirements Vertexing 10 µ mgev σ r φ,z(ip ) 5µ m 3 / 2 p sin

More information

DEVELOPMENT OF LARGE SIZE MICROMEGAS DETECTORS

DEVELOPMENT OF LARGE SIZE MICROMEGAS DETECTORS DEVELOPMENT OF LARGE SIZE MICROMEGAS DETECTORS Paolo Iengo LAPP/CNRS Outline 2 Introduction on gaseous detectors Limits on rate capability Micro Pattern Gaseous Detector & Micromegas ATLAS & the LHC upgrade

More information

CMS electron and _ photon performance at s = 13 TeV. Francesco Micheli on behalf of CMS Collaboration

CMS electron and _ photon performance at s = 13 TeV. Francesco Micheli on behalf of CMS Collaboration CMS electron and _ photon performance at s = 13 TeV on behalf of CMS Collaboration 2 Electrons and Photons @ CMS Electrons and photons are crucial for CMS physics program: SM precision physics, Higgs coupling

More information

Plans for RPC DHCAL Prototype. David Underwood Argonne National Laboratory

Plans for RPC DHCAL Prototype. David Underwood Argonne National Laboratory Plans for RPC DHCAL Prototype David Underwood Argonne National Laboratory Linear Collider Meeting, SLAC 7-10 January 2004 Outline Collaborators Goals Motivation Mechanical Structure Chamber Description

More information

arxiv: v1 [hep-ex] 12 Nov 2010

arxiv: v1 [hep-ex] 12 Nov 2010 Trigger efficiencies at BES III N. Berger ;) K. Zhu ;2) Z.A. Liu D.P. Jin H. Xu W.X. Gong K. Wang G. F. Cao : Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 49, China arxiv:.2825v

More information