計画研究 a02: b ファクトリーにおける b とタウフレーバー物理の研究
DESCRIPTION
計画研究 A02: B ファクトリーにおける B とタウフレーバー物理の研究. KEK B ファクトリー. B 物理. Full reconstruction. Signal evidence!. Semi-leptonic tag. タウ物理. t mg. Tau LFV search. 46種の LFV 崩壊事象を 世界最高感度 Br=O(10 -8 ) で探索!. t fKn. Hadronic tau decays. t fKn を初検出. t 崩壊で K * 質量の初検証. AMP+CFD. 検出器開発. - PowerPoint PPT PresentationTRANSCRIPT
計画研究 A02: B ファクトリーにおける B とタウフレーバー物理の
研究
/ KL detection14/15 lyr. RPC+Fe
Tracking + dE/dxsmall cell + He/C2H5
CsI(Tl) 16X0
Aerogel Cherenkov cnt.n=1.015~1.030
Si vtx. det.3 lyr. DSSD
TOF counter
SC solenoid1.5T
BelleBelle DetectorDetector
8GeV e
3.5GeV e
KEK B ファクトリー
B 物理
435.038.037.037.0 10]65.1[)(
BB
446.056.051.049.0 10]79.1[)(
BBFull reconstruction
Semi-leptonic tag
Signal evidence!
Tau LFV searchUL (x10-8) / L(fb-1)
Belle BaBar
4.5 535 6.8 232
e 12 535 11 232
6.5 401 13 339
e 9.2 401 19 339
12 401 11 339
e 8.0 401 14 339
’ 13 401 20 339
e’ 16 401 26 339
2.1 782 3.3 477
e 2.7 782 3.2 477
ee 1.8 782 2.2 477
eee 2.7 782 2.9 477
e 1.7 782 2.6 477
ee 1.5 782 1.8 477
6.8 543 2.6 451
e 6.3 543 4.6 451
K* 5.9 543 17 451
eK* 7.8 543 5.9 451
K* 10 543 7.3 451
eK* 7.7 543 4.6 451
13 543 19 451
e 7.3 543 3.1 451
8.9 543 10 451
e 18 543 11 451
UL (x10-8) / L(fb-1)
Belle BaBar
Ks 2.3 671 3.3 469
eKs 2.6 671 4.0 469
KsKs 8.0 671
eKsKs 7.1 671
3.4 671 29 221
e 4.4 671 12 221
K 10 671 32 221
eK 5.2 671 17 221
K 15 671 26 221
eK 5.7 671 32 221
KK 6.4 671 25 221
eKK 5.4 671 14 221
3.7 671 7.0 221
e 8.7 671 27 221
K 9.8 671 22 221
eK 6.9 671 18 221
KK 9.6 671 48 221
KeK 6.0 671 15 221
f0 3.4 671
ef0 3.4 671
7.2 154 5.8 237
14 154 5.9 237
成果状況(論文&学会報告)1. K. Inami et al. (The Belle Collaboration), Phys. Lett. B 643, 5-10 (2006), First Observation of the Decay 2. Y.Miyazaki et al. (The Belle Collaboration), Phys. Lett. B 639, 159 (2006), Search for lepton flavor violating tau decays with a Ks meson.3. Y. Miyazaki et al. (The Belle collaboration), Phys. Lett. B 648, 341 (2007), Search for Lepton Flavor Violating Decays into lh, lh' and l0
4. Y. Miyazaki et al. (The Belle collaboration), Phys. Lett. B 660, 154 (2008), Search for Lepton Flavor Violating Decays into Three Leptons.5. Y. Nishio, K. Inami, T. Ohshima et al. (The Belle collaboration), Phys. Lett. B 664, 35 (2008), Search for lepton-flavor-violating l V0 decays at Belle.6. M. Fujikawa, H. Hayashii, S. Eidelman et al. (The Belle collaboration), Phys. Rev. D 78, 072006 (2008), High-Statistics Study of the Decay.7. K. Hayasaka et al. (The Belle collaboration), Phys. Lett. B 666, 16 (2008), New Search for and e decays at Belle.8. N. Kishimoto, M. Nagamine, K. Inami, Y. Enari, T. Ohshima, Nucl.Instrum.Meth.A564:204-211,2006, Lifetime of MCP-PMT. 9. P. Krizan, S. Korpar, T. Iijima, Nucl.Instrum.Meth.A565:457-462,2006, Study of a nonhomogeneous aerogel radiator in a proximity focusing RICH detector. 10. K. Inami, T. Ohshima et al. Nucl. Instrum. Meth. A592:247-253 (2008), Cross-talk suppressed multi-anode MCP-PMT.
1. Int. Workshop on e+e- collisions from Phi to Psi (PhiPsi08), Frascati INFN, Italy, Apr. 7-10, 2008 - K. Inami , “Experimental review on lepton flavor violating tau decays“ ;2. - Y. Usuki , "Study for tau -> K*0Knu and tau -> eta + X decay at Belle“.3. 34th International Conference On High Energy Physics (ICHEP 2008) Philadelphia, USA, July 29- Aug. 5, 2008 - K. Inami , "Hadronic Tau Decays at Belle“.4. Int. workshop on Tau lepton (TAU08), Russia Novosibirsk BINP, Sep. 22-25, 2008 - Y. Miyazaki , "Search For Lepton Flavor Violating tau Decays at Belle“; 5. - Y. Usuki “ Tau decays with etas at Belle“, Y. Usuki “ tau -> K* K nu at Belle“.6. Symp. on Prospects in the Physics of Discrete Symmetries (DISCRETE'08), December 11-16, 2008, IFIC, Valencia, Spain - K. Hayasaka, “Searches for LFV at B factories“7. HEP2007 The 2007 Europhysics Conference on High Energy Physics (July 19-25, 2007, Manchester, England) - T. Ohshima , “Tau decays at Belle“ ;8. - Y. Miyazaki, "Search for Lepton-flavor violating tau decays“.9. Joint Meeting of Pacific Region Particle Physics Communities Oct 29-Nov 3, 2006, Honolulu, USA - Y. Miyazaki, "Searches for Lepton Flavor violating tau decays at Belle“.
10. The 1st Int. Conf. on Technology and Instrumentation in Particle Physics TIPP09, Tsukuba, Japan, Mar.12-17, 2009 - T. Iijima “Recent topics of Particle identification and photon detectors“; 11. - K. Inami “R&D of Particle identification devices with high precision timing“.12. BNM2008 3rd Int. Workshop on "B Factories and New Measurements Atami, Japan - K. Inami , “PID for super Belle”.13. 10th Int. Conf. on Instrumentation for Colliding Beam Physics February 28-March 5, BINP Novosibirsk, Russia. - T. Iijima, "Upgrade of KEK B-factory and Belle“.14. Pico-Second Timing Workshop Argonne National Laboratory, University of Chicago, Commissariat a l'Energie Atomique, March 27 & 28, 2008 - T. Ohshima , “TOP counter and MCP-PMT”.15. Workshop on timing detectors: Medical and Particle Physics applications, Lyon, France, October 15-16, 2008 - K. Inami , "Tests of MCP-PMT for the TOP counter“.16. Workshop on new hadrons with various flavors, Nagoya, Japan, December 6-7, 2008 - T. Iijima , "Upgrade plan of KEKB/Belle“, K. Inami "Detector R&D: Belle PID“.17. PD07 Int. Workshop on new photon-detectors June 27-29, 2007, Kobe U., Japan - K. Inami , “Timing properties of MCP-PMT”.18. Joint Meeting of Pacific Region Particle Physics Communities Oct 29-Nov 3, 2006, Honolulu, USA - D. Hayashi ,“Performance test of a RICH with time-of-flight information”.
19. Topical Workshop on Electronics for Particle Physics Naxos, Grece, Sep. 15-19, 2008 - Y. Okumura, “The commissioning status and results of ATLAS Level1 Endcap Muon Trigger System”.20. TWEPP-07 Topical Workshop on Electronics for Particle Physics, 3-7 Sep. 2007, Prague, Czech Republic - T. Sugimoto, "The 1st Result of Global Commissioning of the ATLAS Endcap Muon Trigger System in ATLAS Cavern“.21. 4th Int. Workshop on the CKM Unitarity Triangle (CKM2006) Dec 12-16, 2006, Nagoya, Japan - M. Tomoto, “Atlas & CMS rare decays”22. Joint Meeting of Pacific Region Particle Physics Communities Oct 29-Nov 3, 2006, Honolulu, USA - T. Sugimoto, "Current Status of ATLAS Endcap Muon Trigger System23. XIV International Workshop on Deep Inelastic Scattering (DIS 2006) April 20-24, 2006, Tsukuba, Japan - M. Tomoto, “Higgs Searches at Tevatron”. 他 7件。
論文( referred )
学会発表& Proceedings