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Future Accelerators at the High Energy Frontier

Future Accelerators at the High Energy Frontier. Emmanuel Tsesmelis Directorate-General Unit, CERN 4 th International Conference on New Frontiers in Physics Orthodox Academy of Crete, Kolymbari, Crete 29 August 2015. The Three Frontiers. Colliders - 2006. Hadrons Leptons

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Future Accelerators at the High Energy Frontier

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  1. Future Accelerators at theHigh Energy Frontier Emmanuel Tsesmelis Directorate-General Unit, CERN 4th International Conference on New Frontiers in Physics Orthodox Academy of Crete, Kolymbari, Crete 29 August 2015

  2. The Three Frontiers

  3. Colliders - 2006 Hadrons Leptons Leptons-Hadrons In operation In construction VEPP 4M VEPP 2000 HERA RHIC CESR-C LHC PEP-II KEK-B DAFNE TEVATRON Tau-Charm

  4. Colliders - 2012 Hadrons Leptons Leptons-Hadrons In operation In construction VEPP 4M VEPP 2000 RHIC LHC SUPER KEK-B DAFNE Tau-Charm

  5. The lhc and its upgrades

  6. CERN Accelerator Complex

  7. LHCb CMS ALICE ATLAS A New Era in Fundamental Science Exploration of a new energy frontier in p-p and Pb-Pb collisions LHC ring: 27 km circumference

  8. The Predictable Future - LHC Timeline • Start of LHC 2009 Run 1: 7 and 8 TeV centre-of-mass energy, luminosity ramping up to several 1033 cm-2 s-1, ~25 fb-1 delivered • LS1 - LHC shut-down to prepare machine for design energy and nominal luminosity Study of the properties of the Higgs Boson & physics beyond the Standard Model 2013/14 Run 2: Ramp up luminosity to nominal (1034 cm-2 s-1, ~50 to 100 fb-1) and centre-of-mass energy (13 and 14 TeV) • LS2 - Injector and LHC upgrades to go to ultimate luminosity 2018 LHC results will guide the way at the energy frontier Run 3: Ramp up luminosity to 2.2 x nominal, reaching ~100 fb-1 / year accumulate few hundred fb-1 LS3 – High-luminosity LHC (HL-LHC). New focusing magnets and CRAB cavities for very high luminosity with levelling ~2023 Run 4: Collect data until > 3000 fb-1 >2035 Under review for CERN MTP

  9. HL-LHC: In-kind Contribution and Collaboration for Design and Prototypes ATLAS CMS 1.2 km of LHC to change !! Q1-Q3 : R&D, Design, Prototypes and in-kindUSA D1 : R&D, Design, Prototypes and in-kindJP MCBX : Design and Prototype ES HO Correctors: Design and Prototypes IT Q4 : Design and Prototype FR CC : R&D and Design UK CC : R&D, Design and in-kindUSA

  10. Beyond the lhcCircular colliders

  11. Future Circular Collider Study - SCOPE CDR and cost review for the next ESU (2018) • Forming an international collaboration to study: • pp-collider (FCC-hh)  defining infrastructure requirements • e+e- collider (FCC-ee) as potential intermediate step • p-e (FCC-he) option • 80-100 km infrastructure in Geneva area ~16 T  100 TeVpp in 100 km ~20 T  100 TeVpp in 80 km

  12. HE-LHC >2035 16.5 TeV 20 T Dipoles High-Energy LHC (HE-LHC)? SPS+, 1.3 TeV, 2030-33 2-GeV Booster Linac4 Main challenge: High-field Magnets

  13. CEPC+SppC • For about 8 years, we have been talking about “What can be done after BEPCII in China” • Thanks to the discovery of the low mass Higgs boson, and stimulated by ideas of Circular Higgs Factories in the world, CEPC+SppC configuration was proposed in Sep. 2012 Yifang Wang Feb. 2014 A 50-70 km tunnel is very affordable in China NOW

  14. Site • Preliminary selected: Qinhuangdao (秦皇岛） • Strong support by the local government

  15. CEPC+SppC Current Design CEPC Basic Parameters: • Collision energy ~240 - 250 GeV • Synchrotron radiation power ~50 MW • 50/70 km in circumference SppC Basic Parameters: • Collision energy ~50 - 70 TeV • 50/70 km in circumference • Needs Bmax ~20T CEPC circumference determined later based on cost estimate.

  16. Muon Collider (?)

  17. Beyond the lhclinear colliders

  18. ILC (and the Compact Linear Collider CLIC) Linear e+e- colliders Luminosities: few 1034 cm-2s-1 CLIC ILC • 2-beam acceleration schemeat room temperature • Gradient 100 MV/m • √s up to 3 TeV • Physics + Detector studies for 350 GeV - 3 TeV • Superconducting RF cavities (like XFEL) • Gradient 32 MV/m • √s ≤ 500 GeV (1 TeV upgrade option) • Focus on ≤ 500 GeV, physics studies also for 1 TeV

  19. The International Linear Collider

  20. shield wall removed

  21. CLIC Implementation  Possible lay-out near CERN  CLIC parameters Note: the design is currently being re-optmised, e.g. to include 350 GeV as the first stage

  22. Plasma Accelerators e.g. AWAKE at CERN Demonstration experiment to verify novel technique of p-driven plasma wakefield acceleration

  23. pp, AA LHC, HL-LHC, RHIC, NICA FCC-pp, HE-LHC, SppC ep CEPC+SppC eRHIC, EIC, FCC-ep, LHeC e+e- SuperKEKB, CEPC, FCC-e+e-, Linear Collider (ILC, CLIC) The Sub-Fermi Scale (2015-2050)?

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