The High Luminosity LHC Project
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1 The High Luminosity LHC Project Lucio Rossi CERN HL-LHC Project Leader
2 LHC: il gigante E beam 0.3BR con 4 grandi occhi LHCb CMS ATLAS Explorazione della nuova frontiera con collisioni adroniche ALICE 2
3 More luminosity higher the collision rate Higgs: the needle in thee haystack Picture repeated 40 millions times each second Z μμ Z μμ event from 2012 data with 25 reconstructed vertices 3
4 Goal of High Luminosity LHC (HL-LHC) as fixed in November 2010 From FP7 HiLumi LHC Design Study application The main objective of HiLumi LHC Design Study is to determine a hardware configuration and a set of beam parameters that will allow the LHC to reach the following targets: A peak luminosity of L peak = cm -2 s -1 with levelling, allowing: An integrated luminosity of 250 fb -1 per year, enabling the goal of L int = 3000 fb -1 twelve years after the upgrade. This luminosity is more than ten times the luminosity reach of the first 10 years of the LHC lifetime. Ultimate performance established : with same hardware and same beam parameters: use of engineering margins: L peak ult cm -2 s -1 and Ultimate Integrated L int ult 4000 fb -1 LHC should not be the limit, would Physics require more 4
5 Technical limits to lumi increase (Machine & Experiments) 5
6 Luminosity profile: ULTIMATE 6
7 Project structure WP17 subwps: 1. CE 2. EL 3. CV 4. Access&Al. 5. Tech Mon 6. Survey-Align 7. Transport 8. (SM18 Upr) 9. Log&Storage 10. Op. Safety Survey-Align Controls 7
8 8
9 HiLumi LHC landmarks 9
10 The HL-LHC Domains of Activity and WPs 10
11 The largest HEP accelerator in construction ATLAS CMS Dispersion Suppressor (DS) in P7 Modifications 1. In IP2: new DS collim. in C.Cryost. 2. In IP7 new DS collimation with 11 T Cryogenics, Protection, Interface, Vacuum, Diagnostics, Inj/Extr extension of infrastr. Matching Section (MS) Change/new lay-out 1. TAXN 2. D2 3. CC 4. Q4 5. Correctors 6. Q5 7. Q5@1.9K in P6 8. New collimators Interaction Region (ITR) Complete change and new lay-out 1. TAXS 2. Q1-Q2a-Q2b-Q3 3. D1 4. All Correctors Magnets 5. Heavy shielding (W) > 1.2 km of LHC!! 11
12 The Insertion Region (till Q4) UA Gallery Service cavern Connection to LHC (UL) Service gallery (UR) BBLR Collimators SC Links Q4 D2 TAXN Crab cavities DFM DFX D1 CP Q3 Q2b Q2a Q1 TAXS 12
13 The Inner Triplet region with in-kinds Connection to LHC (UL) Service gallery (UR) SC Links DFX D1 CP Q3 Q2b Q2a Q1 TAXS DFM 13
14 The MS region with in-kinds UA gallery Service cavern (BBLR) Q4 Crab cavities D2 Collimators TAXN 14
15 HL-LHC underground structures - Point 1 UA13 UL13 UPR13 P1 (ATLAS) UR15 - Minimum distance of ~ 15 m between HL-LHC and experiment structures ~ 7 m between HL-LHC galleries and LHC tunnel (reduction of radiation & deformation impacts) PM17 UA17 UL17 US17 UW17 UPR17 15
16 Civil Engineering & Technical Infrastructures WP17 More than 1 km of new underground technical galleries for infrastructures New surface buildings at P1 and P5 Other sub-systems also involved: Electrical Distribution, Cooling and Ventilation, Transport, Logistics, Accesses, Alarms, Safety) 16
17 How it could look like in point 5 (after HL) 17
18 On the new HL-LHC infrastructures 18
19 HL Technical infrastr. & CRYOGENICS - Point 1-5 SU Ventilation units SU chillers & pumping stations SD He refrigerator SF cooling towers SHM Helium compressor station Access system 19
20 HiLumi LHC magnet zoo WP3, WP11 Triplet QXF (LARP and CERN) Orbit corrector (CIEMAT) Separation dipole D1 (KEK) 11 T dipole (CERN) Sextupole (INFN) Octupole (INFN) Recombination dipole D2 (INFN) Q4 (CEA) Skew quadrupole (INFN) Decapole (INFN) Overall, about 130 magnets are needed Dodecapole (INFN) 20
21 Magnets components and assemblies Non exhaustive list of components Coil: Impregnation resin Winding poles End spacers Wedges Quench heaters Magnet: Collars Yoke laminations Cold mass: End domes SS half shells WP3, WP11 21
22 Need large infrastructure (reaction oven 10 m) 22
23 Cryostats and subcomponents WP3, WP11, WP9 WP6b, WP4 Expansion Joints Vacuum Vessels Thermal Shields Multi-layer insulation Cold Supports Piping & ancilliaries 23
24 WP4, WP5, WP8, WP12, WP14 High precision assembling and manufacturing technologies: SRF CRAB CAVITY Crab cavities (DQW) Vertical crossing for ATLAS experiments Atm Pressure Crab cavities (RFD) Horizontal crossing for CMS experiment 24
25 Crab Cavities High precision assembling and manufacturing technologies Helium Vessel (Titanium) Tuning Mechanism HOM Coupler (Niobium) WP4, WP5, WP8, WP12, WP14 Fundamental Power Coupler Cavity Cold Magnetic Shield Tuner frame (Titanium) 25
26 High precision assembling and manufacturing technologies New absorbers & VAX module WP4, WP5, WP8, WP12, WP14 26
27 Collimators & new material for high temperatures WP5, WP8, WP14 Cooling pipe support Screw M6x30 Bending pipes TIG welding Beam Intercepting Devices with the main functions of: Cleaning the beam by removing stray particles which would induce quenches in the SC magnets Protect the downstream machine elements by shielding them from beam orbit errors 27
28 Collimators & new material for high temperatures Materials of the jaws are the critical component because of the tough requirements (robustness, geometrical stability, electrical conductivity, radiation resistance...) New advanced materials being investigated for HL-LHC WP5, WP8, WP14 TCPP /TCSP (LHC and HL-LHC) TDIS (HL-LHC) TCSPM (HL-HLC) 2D Carbon-Carbon Graphite-Al-CuCrZn MoGr TCTPM (HL-HLC) TCTP (LHC and HL-LHC) TCLD (LHC and HL-LHC) CuCD Tungsten Heavy Alloy (95 W Ni Cu) Tungsten Heavy Alloy (95 W Ni Cu) 28
29 Ultra High Vacuum components and systems WP12 The HL-LHC project requires modification / upgrade in all the vacuum systems (insulation vacuum, room temperature beam vacuum, cryo temperature beam vacuum and experimental beam vacuum). About 1.2 km in total Other systems related to be modified: Bake-out system, Instrumentation & Control, Robotics, etc. Major activities will take place during LS3 29
30 Ultra High Vacuum components and systems - New BS designs for HiLumi (New a-c coating, shielded BS) WP12 - New interconnection, plug-in modules 30
31 Ultra High Vacuum components and systems - Layout modifications (vacuum chambers, supports, etc.) WP12 - Controls, Instrumentation, Bake-Out System 31
32 Beam Instrumentation WP13 Beam Instrumentation: The eyes and ears of an accelerator or Instruments that observe beam behaviour 32
33 Beam Instrumentation Some numbers: instruments integrated into the beam vacuum system of the accelerators (the LHC and its injectors) instruments close to the beamlines, in the accelerator tunnels 5 New instrument concepts for HL-LHC 100+ new beam vacuum instruments to be produced for HL-LHC What is an instrument? Mechanics: vacuum chamber, movement systems, beam intercepting devices Detectors: Cameras, scintillators, transformers, pickups Electronics: Fast, radiation hard, analogue and digital Software: acquisition, low-level controls For industry, this means Precision and state-of-the-art, small-medium series, high added value Collaboration with industry and institutes to develop new technology WP13 33
34 Beam Instrumentation WP13 Beam Position Monitors (BPMs) to measure beam positions as they approach collision, means submicron beam orbit resolution 48 BPMs to be installed in HL-LHC triplet magnets LiNbO 3 Pickup Mirrors Knife Edge Prism Analyzer Polarizing Plate Spli er HWP Mirrors High Bandwith BPMs for intra-bunch diagnostics Bandwith > 10 GHz Collimator 3D Fiber Stage Cryogenic Beam Loss Monitors (BLMs) will allow fasts localisation of beam losses in critical s 32 detectors planned for installation 34
35 Beam Instrumentation WP13 Wire Scanners will give beam profile measurements to optimise machine performance 30 instruments for 2019 with more later Beam Halo Monitoring (BHM) to handle the highintensity HL-Beams High dynamic range cameras with state-of-the-art range Beam Gas Vertex Detector (BGV) for nondestructive beam size measurement at high energy Precision mechanics as one of the main requirements 35
36 Other HL-LHC equipment WP6B Power Converters Power Converters needed for the powering of the HL-LHC circuits in IP1 and IP5 R&D activities from 2016 to 2020 Production Testing for overall quality assurance Installation and commissioning in
37 HL-LHC Challenges and the Industry How? From where? Who? The Industry 37
38 HL-LHC Information shared with Industries Information will be shared through the HL-LHC communication channels (for procurement matters): HL-LHC procurement website (public website: ILOs Portal (restricted access) 38
39 The Industry and HiLumi CERN Procurement Website: Isabel Bejar Alonso Hector Garcia Gavela 39
40 The Industry and HiLumi HiLumi Industry Days and Workshops organized by CERN (Technical Presentations, CERN2Business Meetings, B2B Meetings ) Hilumi goes to Industry at CERN (Jun 2015) 2 nd Hilumi Industry Day at Lisbon (Oct 2016) 3rd Hilumi Industry Day will be held in UK by 2017: We encourage you all to participate!!!!! 40
41 Schematic time plan 11 T and cryo P4 installation 41
42
43 We re heading for construction!! Thanks all WP leaders, PO office members, to Depts and Groups working for the material provided 43
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