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Particle Physics from the Asian Perspective Yuji Yamazaki (Kobe University, Japan) DIS 2015 1 May 2015 Southern Methodist University, Dallas, USA 1 an.

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Presentation on theme: "Particle Physics from the Asian Perspective Yuji Yamazaki (Kobe University, Japan) DIS 2015 1 May 2015 Southern Methodist University, Dallas, USA 1 an."— Presentation transcript:

1 Particle Physics from the Asian Perspective Yuji Yamazaki (Kobe University, Japan) DIS 2015 1 May 2015 Southern Methodist University, Dallas, USA 1 an

2 Contents HEP program in Asia – Asian participation to outside Future programs – Neutrino – Colliders For more authentic and comprehensive review, see talks in ICFA seminar (Oct 2014): http://indico.ihep.ac.cn/event/3867/ (e.g. talk by A. Suzuki “Asia-Pacific regional report”) ACFA seminar (Jan 2015): http://indico.ihep.ac.cn/event/4648/ (e.g. talk by Y. Wang “Activities in IHEP”) Asia LC workshop (21-24 Apr 2015): https://agenda.linearcollider.org/event/6557/ (e.g. talk by T. Mori “Closing Remarks” and many others) 2 Thanks to: Yifang Wang (IHEP) T. Nakaya, M. Yokoyama (Hyper-K) Y. Ushiroda (Belle II) K. Shigaki (PHENIX and Alice) T. Mori and A. Ishikawa (for ILC) for slides and discussion

3 HEP programs in Asia so far 3

4 HEP chart: past and present 4 Flavour Energy Kamiokande BES TRI- STAN SK Belle T2K Daya Bay Reno Kam- LAND PETRA LEP LHC SLC BaBar KOR CHN JPN Asia Europe North America OPERA Double -Chooz etc. Tevatron SNO

5 Future experiments in Asia Flavour sector for charged particles (quarks and charged leptons) – SuperKEKB / Belle II – J-Parc experiments (KOTO, COMET) Flavour sector for neutral (neutrino) – Hyper-Kamiokande – JUNO Energy Frontier – CEPC and SppS – ILC 5

6 The quark sector: Super KEKB / Belle II 6 SuperKEKB schedule 2018 2014 2015 2016 2017 2015 2016 2017 JFY CY Summer Shutdown Summer Shutdown Summer Shutdown Summer Shutdown SuperKEKB Construction phase 1 phase 2 phase 3 Commissioni ng +QCS, Belle II +VXD 2019 Summer Shutdown Phase 1: without final focusing magnets (QCS), without Belle II Phase 2: with QCS, with Belle II but VXD Phase 3: with QCS, with full Belle II including VXD

7 Asia280 Saudi Arabia4 Australia22 China18 India25 Japan139 Europe248 Austria14 Czech8 Germany89 Italy62 Poland11 Russia40 Slovenia17 Spain3 Ukraine4 America106 Canada20 Mexico8 U.S.A78 Korea37 Malaysia5 Viet Nam1 Taiwan25 Thailand1 Turkey3 23 countries/regions 99 institutions >600 researchers Very broad participation from Asia-Pacific region (and also from Russia, Ukraine)

8 J-Parc experiments 8

9 Hyper-Kamiokande x25 volume to Super-K Oscillation and CP in neutrino: Events from J-Parc x50 wrt T2K 9 Material from T. Nakaya (T2K, HK)

10 Hyper-K status in Japan Two priority programs: ILC and Hyper-K of JAHEP (Japan Association of HEP): bottom-up proposal (2012) – also from cosmic-ray community KEK Roadmap includes Hyper-K (2014) Science Council of Japan (SCJ) selected Hyper-K as top priority – included in Japanese Master Plan of Large Research Projects Not yet in the roadmap 2014 of MEXT – Serious challenge for 2017 10 (*) MEXT is “MECSST”: Ministry of Education, Culture, Sports, Science and Technology SCJ MEXT(*) Master plan for large-scale projects: Sep 2013 Requesting a report in 2013 JAXA.. ICRR KEK Social science Medical Science Technology … JAHEP Material from T. Nakaya (T2K, HK)

11 Hyper-K collaboration, schedule 240 members from 13 countries – EU meeting this week; also efforts to invite more from other regions Earliest scenario: construction from 2018, operation 2025 11 Material from T. Nakaya (T2K, HK)

12 Next Step: JUNO for Mass Hierarchy Daya Bay Huizhou Lufeng Previous site Current site Yangjiang Taishan Hong Kong Daya Bay 60 km JUNO Mass hierarchy Precision mixing parameters Supernova neutrinos Geoneutrinos Sterile neutrinos … The only one based on reactor: independent of CP phase Construction started from 2015, operation from 2020 Also planned: RENO-50 (Korea) 20 kt LS courtesy Yifang Wang (IHEP)

13 “QCD Physics”: DIS and HI in Asia No dedicated machine but strong interest !! 13 BNL(STAR or PHENIX) and CERN (Alice) Alice HERA and LHeC HERA Cf. ATLAS and CMS (+ New Zealand) Heavy Ion (RHIC, LHC) LHC multi-purpose detectors

14 Future high-energy colliders 14

15 The Future: 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 LTB : Linac to Booster BTC : Booster to Collider Ring BTC IP1 IP2 e+e- e+ e- Linac (240m) LTB CEPC Collider Ring(50Km ) Booster(50Km ) BTC Medium Energy Booster(4.5Km) Low Energy Booster(0.4Km) IP4 IP3 SppC Collider Ring(50Km) Proton Linac (100m) High Energy Booster(7.2Km) A 50-70 km tunnel is relatively easier NOW in China Yifang Wang (IHEP) in Asia LC WS 22 Apr 2015

16 Scientific Goals CEPC ( e+e-: 90-250 GeV) – Higgs Factory: Precision study of Higgs(m H, J PC, couplings ) – Z & W factory: precision test of SM – Flavor factory: b, c,  and QCD studies SppC (pp: 50-100 TeV) – Directly search for new physics beyond SM – Precision test of SM e.g., h 3 & h 4 couplings Three pillars: EW phase transition, naturalness, dark matter CEPC-SppC complementary with each other Yifang Wang (IHEP) Underlines by YY

17 Timeline (dream) CPEC – Pre-study, R&D and preparation work Pre-study: 2013-15 – Pre-CDR for R&D funding request R&D: 2016-2020 Engineering Design: 2015-2020 – Construction: 2021-2027 – Data taking: 2028-2035 SppC – Pre-study, R&D and preparation work Pre-study: 2013-2020 R&D: 2020-2030 Engineering Design: 2030-2035 – Construction: 2035-2042 – Data taking: 2042 - Yifang Wang (IHEP) Yifang Wang (IHEP) Underlines by YY

18 Complementary with ILC Energy ： – CEPC for Z and Higgs(250 GeV) – ILC can go to 500 GeV for all couplings(Htt etc) Detector ： – One detector each for ILC and CEPC. ILC can give up Push-Pull. – ILC & CEPC: cross check Technology: – ILC can go to higher energy  FEL – CEPC can go to higher Luminosity  Synchrotron Timeline: – ILC starts from 2020 ? – CEPC starts from 2022 ? Why two ? One is enough ? – Two very different technology. Very different possibility for future. – Cross check ： 2 accelerator + 2 detector is better than 1 (ILC) + 2 detector Yifang Wang (IHEP) Yifang Wang (IHEP) Underlines by YY

19 The ILC 19

20 ILC status in Japan JAHEP recommendation: next priority projects are Hyper-K and ILC KEK submitted a proposal to SCJ in 2013 – but ILC was not part of the Master Plan The SCJ instead gave a special report for ILC, requesting to study 1. Physics research strategy of ILC in the view of LHC upgrade path 2. A funding scheme not affecting other activity in science/national projects 3. Domestic organisation to implement the project (KEK + Japanese universities) 4. Human resources for construction, operation and, in particular, the leadership positions 20 SCJ MEXT ILC report (30 Sep 2013) KEK JAHEP Asked for advice (27 May 2013)

21 ILC status in Japan (2) WG under MEXT Q1: Physics research strategy  Physics WG Q2: Validity of cost estimate  TDR WG Q3: Domestic organisation  ILC planning office in KEK Q4: Human resources – MEXT new WG – International Cooperation absolutely important The question: international cost shearing Beyond MEXT (see next slide) 21 SCJ MEXT ILC report KEK JAHEP Academic Expert Committee Physics WG TDR validation WG Conclusion not later than 2016

22 Future steps MEXT official review by WGs (NOW) Government-to-government discussion on issues and preparation (NOW) – Discussion between Europe – US – Japan in 2014 Support from policy-makers (diet members) – Resolution and Policy Report to prime minister Shinzo Abe – Visits to Washington (2014 and also now) to Europe and Asia (winter 2015) foreseen Why is MEXT and diet members talk to governments before deciding? 22

23 ILC in Japan: truly be GLOBAL ! No way to do it as semi-domestic project – Cost, and – Human resource Driving force for us (and politicians): “the first large international project in Asia” Government has to make sure the reactions of countries when taking decision – Keeping close contact with other countries 23

24 HEP chart (accelerators only) 24 Flavour Energy TRI- STAN Belle PETRA LEP LHC SLC BaBar KOR CHN JPN Asia Europe North America Tevatron CEPC ILC BES SppS FCC

25 Summary Asia has been and will be playing major role in flavour physics, but not as much for energy frontier We strongly wish to contribute there by having future collider(s) in Asia 25

26 Flavour and Higgs For charged fermions, only Higgs knows the flavour i.e. mass Eigenstate – Except for charged weak bosons, but with a different matrix Particles are “defined” by Higgs – No Higgs, you never know who you are Then, how Higgs does distinguish particles? – It does at it does … 26 Flavour physics is Higgs physics

27 “QCD Physics”: DIS and HI in Asia Strong interest to heavy ion experiments: – To BNL: Korea, China, India, Japan (PHENIX), China, India, Korea (STAR) – To CERN (Alice): Japan, China, Korea(big), Thailand, Indonesia*, India(big), Pakistan DIS – Strong spin community in Japan, …. – To DESY: HERA participation from Japan, Korea (ZEUS) and from Armenia, Mongolia (H1) – LHeC: also participation from Asia (Turkey, Japan) E.g.: to other LHC experiments – ATLAS: China, Hong Kong, Japan, Australia – CMS: China, Iran, Malaysia, Pakistan, Taiwan, Thailand, Turkey, Korea, India, New Zealand 27

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