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European Involvement in T2K

European Involvement in T2K. Dave Wark Imperial College /RAL. Neuchatel June 21, 2004. Neuchatel Meeting. June 21 ’04. European input…. …to T2K . Dave Wark. Imperial College/RAL. European Groups Ready to Join T2K. Italy Padova, Naples, Roma France Saclay, IN2P3 Spain

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European Involvement in T2K

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  1. European Involvement in T2K Dave WarkImperial College /RAL Neuchatel June 21, 2004

  2. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL European Groups Ready to Join T2K • Italy • Padova, Naples, Roma • France • Saclay, IN2P3 • Spain • Valencia, Barcelona • Switzerland • University of Geneva, ETH • United Kingdom • Imperial College, QMW, Warwick, RAL, Liverpool, Sheffield • ~25 physicists currently, more being sought • Mailing list, regular meetings at CERN • Many have joined K2K

  3. Neuchatel Meeting Primary proton beam line Normal conducting magnets Superconducting magnets Proton beam monitors Vacuum system Collimators/beam plug Target station Target Horn Remote handling system Decay pipe Beam dump Muon monitors June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Neutrino Beam Facility Overview Proton beam transport Target Station 130m decay pipe 280m m-pit Technical Design&Development (Status) Report http://jnusrv01.kek.jp/jnu/nu-TAC/ Near detector

  4. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump

  5. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Simulations now being performed at RAL, proposing to do the engineering design

  6. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise

  7. Target system cal. w/ MARS Temperature rise of the target due to the radiation J/gK degree R w/ 1 pulse maximum~ 180J/g Z 30mm f graphite target : energy deposit is ~60kJ/spill Thermal stress analysis (incl. shock wave) and cooling system design is now on-going.

  8. RAL•CERN(?)•PSI(?) Neutrino target station 33m 23m Extremely high radiation environment 40 ton crane 12m Aluminum wall Machine room filled with He Service pit Ground level 22m Concrete blocks Final focus Iron shield Decay volume Helium vessel Concrete structure Storage for radioactive material Baffle Iron shield Target & 1st horn 2nd horn 3rd horn

  9. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise • Proton beam final focus monitoring

  10. Where shall we install the monitors C,P TS C,P n-Beam C,P FF C,P TGT I,C,P Arc C,P C,P C, P C,P C, P C, P I,C,P I,P P P C,P Beam Monitor I : Intensity (CT) C: Center position (LPM) P: Profile (SSEC/RGBPM) P PS C,P BLM will be placed along the beam line. I,C,P

  11. ・Non Destructive ・Cover the wide range of proton intensity MCP Profile Monitor : (2)RGBPM Detector ・Residual gas is ionized by proton beam electrons ・Produced electrons are collected by Straight Electric Field. ・Collected electrons are detected by MCP (Micro Channel Plate) or EMT (Electron Multiplier Tube) equipped with the multi-anodes. Electric Field Estimated signal of readout ~ 1011[electrons/ch] (J-PARC: 1e^-7 Torr) J-PARC Fast beam  High intensity Magnetic Field is necessary (B>0.03T for a few mm resolution)

  12. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise • Proton beam final focus monitoring • Muon monitors/muon monitor electronics

  13. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise • Proton beam final focus monitoring • Muon monitors/muon monitor electronics • Beam windows

  14. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise • Proton beam final focus monitoring • Muon monitors/muon monitor electronics • Beam windows • Quench detectors

  15. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise • Proton beam final focus monitoring • Muon monitors/muon monitor electronics • Beam windows • Quench detectors • 280m detector

  16. Conceptual design of the near neutrino detector Off-axis(~2o) Neutron shield (w/ Magnet?) nm and ne fluxes and spectra 16m n interaction study SK (CC-QE, non-QE and p0 ) SK direction Kaon contributions FGD Grid m profile On-axis (0o) Beam direction and stability MRD 36m 2 1m n beam 5m 3 1m ~14m 3m The detector design is only just started. 20mF

  17. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise • Proton beam final focus monitoring • Muon monitors/muon monitor electronics • Beam windows • Quench detectors • 280m detector

  18. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise • Proton beam final focus monitoring • Muon monitors/muon monitor electronics • Beam windows • Quench detectors • 280m detector • Major European contribution – magnetize the 280m

  19. Neuchatel Meeting June 21 ’04 UA1/NOMAD Magnet European input… …to T2K Dave Wark Imperial College/RAL • Advantages • greatly reduces expensive MRD • improved measurement of pm • Charge id on (most) tracks • Accepted as default design

  20. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise • Proton beam final focus monitoring • Muon monitors/muon monitor electronics • Beam windows • Quench detectors • 280m detector • Major European contribution – magnetize the 280m

  21. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise • Proton beam final focus monitoring • Muon monitors/muon monitor electronics • Beam windows • Quench detectors • 280m detector • Major European contribution – magnetize the 280m • Fine-grained tracking to take advantage of the magnetic field

  22. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise • Proton beam final focus monitoring • Muon monitors/muon monitor electronics • Beam windows • Quench detectors • 280m detector • Major European contribution – magnetize the 280m • Fine-grained tracking to take advantage of the magnetic field • EM calorimeter?

  23. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise • Proton beam final focus monitoring • Muon monitors/muon monitor electronics • Beam windows • Quench detectors • 280m detector • Major European contribution – magnetize the 280m • Fine-grained tracking to take advantage of the magnetic field • EM calorimeter? • Electronics?

  24. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • Beam • Design of the beam dump • Target expertise • Proton beam final focus monitoring • Muon monitors/muon monitor electronics • Beam windows • Quench detectors • 280m detector • Major European contribution – magnetize the 280m • Fine-grained tracking to take advantage of the magnetic field • EM calorimeter? • Electronics? • DAQ?

  25. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • 2 km detector • Would provide the ultimate sensitivity.

  26. Neuchatel Meeting June 21 ’04 Which will in turn require a detailed understanding of the near/far comparison European input… Convincing demonstration of ne appearance will require detailed understanding of backgrounds …to T2K Dave Wark Imperial College/RAL

  27. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL

  28. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • 2 km detector • Would provide the ultimate limit to systematics.

  29. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • 2 km detector • Would provide the ultimate limit to systematics. • Are participating in simulation and conceptual design

  30. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • 2 km detector • Would provide the ultimate limit to systematics. • Are participating in simulation and conceptual design • Would contribute some substantial element, like the FGD

  31. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • 2 km detector • Would provide the ultimate limit to systematics. • Are participating in simulation and conceptual design • Would contribute some substantial element, like the FGD • Perhaps use a medium-sized LAr calorimeter?

  32. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • 2 km detector • Would provide the ultimate limit to systematics. • Are participating in simulation and conceptual design • Would contribute some substantial element, like the FGD • Perhaps use a medium-sized LAr calorimeter? • Hadron Production data

  33. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • 2 km detector • Would provide the ultimate limit to systematics. • Are participating in simulation and conceptual design • Would contribute some substantial element, like the FGD • Perhaps use a medium-sized LAr calorimeter? • Hadron Production data • HARP

  34. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • 2 km detector • Would provide the ultimate limit to systematics. • Are participating in simulation and conceptual design • Would contribute some substantial element, like the FGD • Perhaps use a medium-sized LAr calorimeter? • Hadron Production data • HARP • HERO/NA49/some other experiment

  35. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • 2 km detector • Would provide the ultimate limit to systematics. • Are participating in simulation and conceptual design • Would contribute some substantial element, like the FGD • Perhaps use a medium-sized LAr calorimeter? • Hadron Production data • HARP • HERO/NA49/some other experiment • Software/Analysis

  36. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • 2 km detector • Would provide the ultimate limit to systematics. • Are participating in simulation and conceptual design • Would contribute some substantial element, like the FGD • Perhaps use a medium-sized LAr calorimeter? • Hadron Production data • HARP • HERO/NA49/some other experiment • Software/Analysis • Contribute state-of-the-art software techniques

  37. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL Proposed European Contributions: • 2 km detector • Would provide the ultimate limit to systematics. • Are participating in simulation and conceptual design • Would contribute some substantial element, like the FGD • Perhaps use a medium-sized LAr calorimeter? • Hadron Production data • HARP • HERO/NA49/some other experiment • Software/Analysis • Contribute state-of-the-art software techniques • Fully participate in analysis and verification of any results

  38. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL FAQ (or rather FHO). • There is nothing for Europe to contribute to T2K • I hope I have shown otherwise. • The Japanese can do it all. • No they can’t. • It is too far. • It is no farther than SLAC. • Japanese groups routinely work at CERN and RAL. • What is in it for us? • The opportunity to play a central part in the key experiment on q13. • The opportunity to grow the European experimental n community • Fantastic experience in water Čerenkov detectors. • Fantastic experience in doing near/far n comparisons. • Involvement in the next premier n facility. • Continue the unification of the world’s n physics community.

  39. Neuchatel Meeting June 21 ’04 European input… …to T2K Dave Wark Imperial College/RAL

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