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ILC Project status Philip Burrows John Adams Institute Oxford University 1 ILC Project status Philip Burrows John Adams Institute Oxford University 1

International Linear Collider (ILC) c. 250 Ge. V / beam 31 km 2 International Linear Collider (ILC) c. 250 Ge. V / beam 31 km 2

ILC Technical Design Report Strong JAI leadership + Andrei Seryi ILC Technical Design Report Strong JAI leadership + Andrei Seryi

2013 Nobel Prize in Physics 4 2013 Nobel Prize in Physics 4

LHC discovery 2012 5 LHC discovery 2012 5

Finger-printing the new boson Determine its ‘profile’: • Mass • Width • Spin • Finger-printing the new boson Determine its ‘profile’: • Mass • Width • Spin • CP nature • Coupling to fermions • Coupling to gauge bosons • Yukawa coupling to top quark • Self coupling Higgs potential 6

Higgs et al Mechanism 7 Higgs et al Mechanism 7

Finger-printing the Higgs boson Is it: the Higgs Boson of the Standard Model? another Finger-printing the Higgs boson Is it: the Higgs Boson of the Standard Model? another type of Higgs boson? something that looks like a Higgs boson but is actually more complicated? 8

Finger-printing the Higgs boson Is it: the Higgs Boson of the Standard Model? another Finger-printing the Higgs boson Is it: the Higgs Boson of the Standard Model? another type of Higgs boson? something that looks like a Higgs boson but is actually more complicated? Measurements of the Higgs couplings to the different species of quarks, leptons and gauge bosons are the key to answering these questions 9

e+e- Higgs factory e+e- annihilations: E > 91 + 125 = 216 Ge. V e+e- Higgs factory e+e- annihilations: E > 91 + 125 = 216 Ge. V E ~ 250 Ge. V E > 91 + 250 = 341 Ge. V E ~ 500 Ge. V

e+e- annihilations E E 2 E > 220 Ge. V 20, 000 H / e+e- annihilations E E 2 E > 220 Ge. V 20, 000 H / year 11

e+e- annihilations 2 E > 350 Ge. V E g/ E 100, 000 t e+e- annihilations 2 E > 350 Ge. V E g/ E 100, 000 t / year 12

ILC Higgs/top Factory Roadmap 250 Ge. V: Higgs Mass, Spin, CP nature Absolute meas. ILC Higgs/top Factory Roadmap 250 Ge. V: Higgs Mass, Spin, CP nature Absolute meas. of HZZ BRs Higgs qq, ll, VV 350 Ge. V: Top quarks + Higgs Top threshold: mass, width, anomalous couplings … (more stats on Higgs BRs) 500 Ge. V: Higgs HWW coupling total width absolute couplings Higgs self coupling Top Yukawa coupling 13

Higgs coupling map (Fujii) 14 Higgs coupling map (Fujii) 14

Japanese Initiative • They are very serious! Japanese Initiative • They are very serious!

Japanese Initiative • They are very serious! • Japanese PP community has been consistent Japanese Initiative • They are very serious! • Japanese PP community has been consistent in assigning high priority to linear collider

Japanese Initiative • They are very serious! • Japanese PP community has been consistent Japanese Initiative • They are very serious! • Japanese PP community has been consistent in assigning high priority to linear collider • National policy initiative for major infrastructure investment, especially in tsunami-affected area

Yamamoto ILC Plan in Japan Yamamoto ILC Plan in Japan

Japanese Initiative • They are very serious! • Japanese PP community has been consistent Japanese Initiative • They are very serious! • Japanese PP community has been consistent in assigning high priority to linear collider • National policy initiative for major infrastructure investment, especially in tsunami-affected area • Govt. is doubling amount of cash within 3 years!

Japanese Initiative • They are very serious! • Japanese PP community has been consistent Japanese Initiative • They are very serious! • Japanese PP community has been consistent in assigning high priority to linear collider • National policy initiative for major infrastructure investment, especially in tsunami-affected area • Govt. is doubling amount of cash within 3 years! • Japan physics community proposed to host ILC

Yamauchi ILC Plan in Japan ► Japanese HEP community proposes to host ILC based Yamauchi ILC Plan in Japan ► Japanese HEP community proposes to host ILC based on the “staging scenario” to the Japanese Government. § ILC starts as a 250 Ge. V Higgs factory, and will evolve to a 500 Ge. V machine. § Technical extendability to 1 Te. V is to be preserved.

Japanese Initiative • They are very serious! • Japanese PP community has been consistent Japanese Initiative • They are very serious! • Japanese PP community has been consistent in assigning high priority to linear collider • National policy initiative for major infrastructure investment, especially in tsunami-affected area • Govt. is doubling amount of cash within 3 years! • Japan physics community proposed to host ILC • Site recommendation made September 2013

Yamauchi ILC Plan in Japan ► Japanese HEP community proposes to host ILC based Yamauchi ILC Plan in Japan ► Japanese HEP community proposes to host ILC based on the “staging scenario” to the Japanese Government. § ILC starts as a 250 Ge. V Higgs factory, and will evolve to a 500 Ge. V machine. § Technical extendability to 1 Te. V is to be preserved.

Japanese Initiative • They are very serious! • Japanese PP community has been consistent Japanese Initiative • They are very serious! • Japanese PP community has been consistent in assigning high priority to linear collider • National policy initiative for major infrastructure investment, especially in tsunami-affected area • Govt. is doubling amount of cash within 3 years! • Japan physics community proposed to host ILC • Site recommendation made September 2013 • Political approaches to USA + EU

Developments in Japan 25 Yamamoto, HEPAP, 11/3/13 Developments in Japan 25 Yamamoto, HEPAP, 11/3/13

Kitakami Site 26 Kitakami Site 26

Kitakami Site: IP region 27 Kitakami Site: IP region 27

Local enthusiasm 28 Local enthusiasm 28

Kitakami Site: IP area 29 Kitakami Site: IP area 29

Kitakami Site: IP 30 Kitakami Site: IP 30

Kitakami Site: IP 31 Kitakami Site: IP 31

Kitakami Site: IP 32 Kitakami Site: IP 32

Kitakami Site: IP surface facilities 33 Kitakami Site: IP surface facilities 33

Kitakami Site: JAI house 34 Kitakami Site: JAI house 34

Kitakami Site 35 Kitakami Site 35

Kitakami Site: road to port 36 Kitakami Site: road to port 36

Local news 37 Local news 37

Local news 38 Local news 38

Local enthusiasm 39 Local enthusiasm 39

Local enthusiasm 40 Local enthusiasm 40

UK strategy on ILC 41 UK strategy on ILC 41

PPAP recommendation ‘It is essential that the UK engages with the Higgs Factory initiative PPAP recommendation ‘It is essential that the UK engages with the Higgs Factory initiative and positions itself to play a leading role should the facility go ahead. ’ 42

LCUK • STFC Programmatic Review positive words on UK participation in Japan Higgs Factory LCUK • STFC Programmatic Review positive words on UK participation in Japan Higgs Factory • LCUK submitted So. I to STFC - reviewed favourably by Science Board (July 2014) • LCUK invited to submit (modest) proposal (Sept 2014) 43

LCUK proposal 44 LCUK proposal 44

LCUK • STFC Programmatic Review positive words on UK participation in Japan Higgs Factory LCUK • STFC Programmatic Review positive words on UK participation in Japan Higgs Factory • LCUK submitted So. I to STFC - reviewed favourably by Science Board (July 2014) • LCUK invited to submit (modest) proposal (Sept 2014) • To be reviewed at PPRP (Oct 29) 45

LCUK • STFC Programmatic Review positive words on UK participation in Japan Higgs Factory LCUK • STFC Programmatic Review positive words on UK participation in Japan Higgs Factory • LCUK submitted So. I to STFC - reviewed favourably by Science Board (July 2014) • LCUK invited to submit (modest) proposal (Sept 2014) • To be reviewed at PPRP (Oct 29) • EJADE approved by EU H 2020 JAI, CERN, DESY, LAL w. KEK 46

The Future? 47 The Future? 47

Opportunity for JAI • Lead player in coordinated European team to provide: Beam Delivery Opportunity for JAI • Lead player in coordinated European team to provide: Beam Delivery System Machine-Detector Interface • Great synergy with VXD, tracker, forward systems 48