E246 J. Imazato
Search for T violation in the K+ → π0µ+ν decay
Submitted
Approved
Beam line
Shift requested
Shift executed
Executed cycles(1991/6/10)
1991/7/16
K5
450 +200 extension
446 +142 extension(94[7,8,10], 95[4,5,6,7,8]), 95[11], 96[1,2-1,2-3,3,4],
97[1,3-1,3-2,4-1,4-2], 98[2,3,4], 99[3-1,3-3], 00[5]E470 T. Baker / J. Imazato
Measurement of direct photon emission in K+ → π+π0γ
Received
Approved
Beam line
Shift requested
Shift executed
Executed cycles

2000/6/23
2000/7/25
K580
96.5
01[3-1,3-2]

Papers and activities[Legend]●○★
◇＊Physics papers published in refereed journalTechnical papers
PhD theses
Conference and SymposiumInternal Report and others● M. Abe et al.
Search for T-violating transverse muon polarization in K+ → π0μ+ν decay using stopped kaonsPhys. Rev. Lett. 83 (1999) 4253.
● Y. H. Shin et al.
A kinematically complete measurement of K+ → π+π0π0 decay
Eur. Phys. J. C12 (2000) 627.
● S. Shimizu et al.
Test of exotic scalar and tensor couplings in K+ → π0e+γ decay
Phys. Lett.. B495 (2000) 33.
● K. Horie et al.
Measurement of Γ(Kμ3)/Γ(Ke3) ratio using stopped positive kaonsPhys. Lett. B513 (2001) 311.
● M. A. Aliev et al.
Measurement of direct photon emission in K+ → π+π0γ decay using stopped kaonsPhys. Lett. B554 (2003) 7.
● V. V. Anisimovsky et al.
First measurement of the T-violating muon polarization in the decay K+ → μ+νγ
Phys. Lett. B562 (2003) 166.
● M. Abe et al.
A new limit of T-violating transverse muon polarization in the K+ → π0μ+ν decay
Phys. Rev. Let. 93 (2004) 131601-1________________________________________________________________________● Physics papers published in refereed journal.
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Technical papers.
PhD theses.
Conference and Symposium.
Internal Report and others.

● S. Shimizu et al.
Measurement of K+ → π0π0 e+ν decay using stopped positive Kaons
Phys. Rev. D70 (2004) 037101-1● M. Abe et al.
Search for T-violating Transverse Muon Polarization in the K+ → π0µ+ν Decay
Phys. Rev. D73, 072005 (2006)● M. A. Aliev et al.
New result of the measurement of the direct photon emission in K+ → π+π0γ decay
Eur. Phys. J. C46 (2006) 61-67● S. Shimizu et al.
Measurement of K+ → π0µ+νγ decay using stopped kaonsPhys. Lett. B633 (2006) 190-194○ D.V. Dementyev et al.,CsI(Tl) calorimeter with photodiode readout for T-violation in Kμ3 decay
Nucl. Instr. Method A379 (1996) 499.
○ R.L. Wixted et al.
A 32-channel wave form sampling fastbus module with local DSP processing
Nucl. Instr. method A386 (1997) 483.
○ A.P. Ivashkin et al.
Scintillating ring hodoscope with WLS fiber readout
Nucl. Instr. Method A394 (1997) 321.
○ S. Sekikawa et al.
A Fast DSP based calorimeter hit scanning system
Nucl. Instr. Method A395 (1997) 190.
○ T. Ikeda et al.
High-precision magnetic field mapping with a three dimensional Hall probe for a T-violation
experiment in Kμ3 decay
Nucl. Instr. Mehtod A401 (1997) 243.
○ Y. Kudenko et al.,Design and performance of the readout electronics for the CsI(Tl) detector
Nucl. Instr. Method A411 (1998) 437.
○ D.V. Dementyev et al.
CsI(Tl) photon detector with PIN photodiode readout for a Kμ3 T-violation experiment
Nucl. Instr. Method A440 (2000) 151.
○ J.A. Macdonald et al.
Apparatus for a search for T-violating Muon polarization in stopped-kaon decays
Nucl. Instr. Method A506 (2003) 60.
★ S. Shimizu
Precise Measurement of K+ → π0e+ν Form Factors using Stopped K+
Tokyo Institute of Technology, 1997.
★ Y. Igarashi;
Measurement of the form factors in K+ → π0μ+ν decay
University of Tsukuba, 1997.
★ T. Ikeda
Measurement of Muon In-Plane Polarization in the Decay of K+ → π0μ+ν
University of Tsukuba, 1998.
★ T. Yokoi
Search for T-violating Muon Polarization in K+ → π0μ+ν decay
University of Tokyo, 1998.
★ C. Mindas
Search for T Violation in the K+ → π0μ+ν decay
Princeton University, 1998.
★ H.C. Huang________________________________________________________________________● Physics papers published in refereed journal.
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Technical papers.
PhD theses.
Conference and Symposium.
Internal Report and others.

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Search for T-violating Muon Polarization in K+ → γμ+ν Decay
National Taiwan University, 1998.
Y.H. Shin
Kinematically Complete Measurement of K+ → π+π0π0 Decays
Yonsei University, 1998.
A.P. Ivashkin
Search for T violation in the K+ → π0μ+ν decay using a CsI(Tl) calorimeter as a neutral pion
detector (in Russian)Institute for Nuclear Research, Russian Academy of Sciences, 1998.
T. Baker
Measurement of scattering length using Kπ3 decay
University of Saskatchewan, 1999.
O.V. Mineev
Development and design of analogue electronics and trigger system in the experiment to measure
T-violating muon polarization in positive kaon decays (in Russian);
Institute for Nuclear Research, Russian Academy of Sciences, 2000.
K. Horie
Measurement of Γ(Kμ3)/ Γ(Ke3) ratio using stopped positive kaons
Osaka Univesity, 2002.
M. Khabibullin
Measurement of T-violating muon polarization in the decay of positive kaons and limits on theparameters of non-standard models of CP violation (in Russian)Institute for Nuclear Research, Russian Academy of Sciences, 2003.
M. Aliev
Measurement of T-violating muon polarization in the decay of positive kaons and limits on theparameters of non-standard models of CP violation (in Russian)Institute for Nuclear Research, Russian Academy of Sciences, 2006
J. Imazato
Search for T violation in the K+ → π0μ+νdecay
Proc. 10th Int. Symp. High Energy Spin Physics, Nagoya, November 9-14, 1992.
Y. KunoMuon Polarization in K+ Decays
Proc. Workshop on Future Directions in Particle and Nuclear Physics at Multi-GeV Hadron
Facilities, BNL, March 1993.
Y. KunoSearch for Time Reversal Violation in K+ Decays
Proc. 3rd KEK topical conference on CP violation – Its implications to Particle and Cosmology,KEK, Nov.1993, [ Nucl. Phys. B (Proc. Suppl.) 1993].
Y. KunoSearch for Time Reversal Violation in K+ → π0μ+ν Decay
Proc. Int. WS Intersection between Particle and Nuclear Physics, Florida, June 1994.
J.A. Macdonald
Search for T-violation in K+ Decays
Proc. HYP94, Vancouver, July 1994.
P. Gumplinger
Measuring the Muon Polarization in K+ → π0μ+ν the E246 Detector at KEKProc. 11th Int. Symp. High Energy Spin Physics, U.S.A., Sept. 1994.
Y. KunoSearch for Time reversal Violation in K and B Decays
Proc. 1st Int. Symp. Symmetries in Subatomic Physics”, Taipei, May 1994 [Canadian Journal ofPhysics, 32 (1994) 1015].
J. Imazato
T violation Test K+ → π0μ+ν________________________________________________________________________● Physics papers published in refereed journal.
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Technical papers.
PhD theses.
Conference and Symposium.
Internal Report and others.

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Proc. 23rd INS Int. Symp. Nuclear and Particle Physics with Meson Beams in the 1 GeV Region,Tokyo, March 15-18,1995.
H.M. Shimizu
Search for T-violation in K+ → π0μ+ν
Proc. IV Int. Symp. Weak and Electromagnetic Interactions in Nuclei (WEIN95), Osaka, June
12-16,1995.
Y. KunoSearch for T-violation in K+ Decays
Proc. Int. Con. Exotic Atoms and Nuclei, Hakone, June 7-10, 1995.
P. Depommier
An Experiment to Measure the Transverse muon Polarization in the K+ → π0μ+ν Decay
Proc. Europhysics Conf. High Energy Physics, Brussel, July 27-Aug.2, 1995.
M. Chapman
Search for T-violation in the K+ → π0μ+ν Decay
APR96 Meeting of the American Physics Society, May 1996.
Y.G. Kudenko
T-violating muon polarization in the K+ → π0μ+ν Decay
Proceedings of the Workshop on K physics, Orsey , May 30-June 4, 1996, p.345
J. Imazato
Search for T-violation in the K+ → π0μ+ν Decay
Proceedings of the 1996 Workshop on Heavy Quarks at Fixed Target", St.Goar, October 3-6, 1996,p.431
Y. KunoSearch for T-violation in K+ → π0μ+ν Decay
Proceedings of the Third Workshop on Particle Physics Phenomenology, Taipei, November 14-17,
1996, p.144
Y. KudenkoHigh resolution CsI(Tl) calorimeter with PIN photodiode readout
Proceeding of the KEK Workshop on Scintillation Detectors, April 28-30, 1997, p.156
M. Hasinoff
Search for T-violation in K+ → π0μ+ν Decay
Proceedings of the International Conference of "Intersections between Particle and Nuclear
Physics", Montana, June, 1997
M. AokiSearch for T-violation in K+ → π0μ+ν Decay
Proceedings of the 2nd International Symposium on "Symmetries in Subatomic Physics", Seattle,June 25-28, 1997
M. Hasinoff
Search for T-violation in K+ → π0μ+ν Decay
Proceedings of the DNP97 Meeting of the American Physical Society, Whisler, October 5-8, 1997
M. AokiSearch for T-violation in K+ → π0μ+ν Decay
Proceedings of the International Workshop on kaon, muon, Neutrino Physics and Future, KEK,
October 31- November 1, 1997
M. P. Grigorjev et al.
Data Acquisition and On-line Visualization System in the Experiment E246 at KEK
Proceedings of the Workshop on Visualization in High Energy Physics, SLAC, January 20-30,
1998
Y. Kuno et al.
Search for Time-Reversal Violation in K+ → π0μ+ν Decay
Proc. of the XXIX International Conference on High Energy Physics, Vancouver, Canada, July
23-29, 1998".
J. Imazato________________________________________________________________________● Physics papers published in refereed journal.
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Technical papers.
PhD theses.
Conference and Symposium.
Internal Report and others.

◇◇◇◇◇◇◇◇◇◇◇◇◇◇

T Violation in K+ → π0μ+ν at KEK
Proc. of the Topical Conference of XXVI SLAC Summer Institute on Particle Physics, SLAC,
Stanford, U.S.A., Aug. 3-14, 1998.
M. AokiT Violation in K+ (KEK-PS-E246)
Proc. of the International Workshop on CP Violation in K, Tanashi, Japan, December 18-19, 1998.
M. Blecher et al.
Test of Time Reversal Invariance in the K+ → π0μ+ν Decay
Proc. of the 15th International Conference on Particles and Nuclei (PANIC’99), Uppsala, Sweden,
June 10-16, 1999.
G. Y. Lim
Transverse muon polarization in K+μ3 decay
Proc. of the Chicago Conference on kaon Physics (KAON99), Chicago, USA, June 21-26, 1999.
A. Ivashkin et al.
New result on measurement of T-violating muon polarization in K+μ3 decay
High Energy Physics 99, ed. K. Huitu et al., Springer-Verlag, 2000, Proc. of the International
Europhysics Conference on High Energy Physics, Tampere, Finland, 15-21 July, 1999.
P. Depommier et al.
Search for non-standard time-reversal violation
Nuclear Physics A 654 (1999) 935c [ Proc. of the International Nuclear Physics Conference, Paris,France, Aug.24-28, 1999].
C. Rangacharyulu
Search for T-violation in stopped K+ decay
17th International Conference on Weak Interactions and Neutrinos (WIN99),
Capetaown, South Africa, January 24-30, 2000.
P. Depommier
Search for non-standard time-reversal violation in K+μ3 decayInternational Conference on Quark Nuclear Physics, Adelaide, Australia, Feb.21-25, 2000. [to bepublished in Nuclear Physics A].
P. Depommier
Search for time-reversal violation in the K+ → π0μ+ν decay
VIth International Conference on Few-Body Problems in Physics, Taipei, Taiwan, March 6-10,
2000. [to be published in Nuclear Physics A].
M. Khabibullin et al.
New limit on T-violating muon polarization in the decay K+ → π0μ+ν
XXXVth Recontres de Moriond, Electroweak Interaction and Unified Theories, Les Arcs, France,
March 11-18, 2000.
Y. KunoTest of Time Reversal Invariance in K+μ3
3rd International Symposium on Symmetries in Subatomic Physics, Adelaide, Ausrtalia,, March
13-17, 2000.
M. Hasinoff
A Test of Time Reversal Invariance in Stopped K+ Decay
7th Conference on Intersections Between Particle and Nuclear Physics, Quebec, Canada, May
22-28, 2000, AIP conference Proceedings, Vol. 549, 969 (2002).
M. Aoki et al.
Search for T-violating Muon Polarization in K+ → π0μ+ν decay
XXXth International Conference on High Energy Physics, Osaka, Japan, July 27- Aug.2, 2000.
J. Imazato
Branching ratio measurement of K+ → π0μ+ν direct emission
Kaon Decay Workshop for Young Physicists, Tsukuba, Japan, February 14-16, 2001.
J. Imazato
Search for T Violation K+ → π0μ+ν in at KEK E246
International conference on CP Violation (KAON2001), Pisa, Italy, June 12-17, 2001. Frascati________________________________________________________________________● Physics papers published in refereed journal.
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Technical papers.
PhD theses.
Conference and Symposium.
Internal Report and others.

Physics series (2001, to appear).
◇ M. Khabibullin et al.
New limit on T-violating Parameters in Kaon Decays
International Europhysics Conference on high Energy Physics, Budapest, Hungary, July 2001.
◇ J. Imazato
Kaon Physics at KEK
Fifth KEK topical conference -Frontier of Flavor Physics-, Tsukuba, Japan, November 19-22,
2001.
◇ Y. Kudenko
Further search for T violation in the deacy K+ → π0μ+ν
16th International Conference on Particles and Nuclei, Osaka, Japan, September 30-October 4,
2002.
◇ K. Horie
Search for T-violating transverse muon polarization in K+ → π0μ+ν decay using stopped kaons
KEK phenomenology workshop, March 1-3, 2004, KEK.
◇ J. Imazato
Result of T-violating Muon Polarization Measurement in the K+ → π0μ+ν Decay
XXXIX Rencontres de Moriond – March 21-28, 2004. (Electroweak Interactions).
◇ C. Rangacharyulu
Search for T-violation in Kμ3 Decays
Physics at Meson Factories (Dafne2004, oral), Frascati, Italy, June 7-11, 2004
◇ S. Shimizu
New limit on the T-violating transverse muon polarization in K+ → π0μ+ν (Kμ3) decay
Second Joint Meeting of the Nuclear Physics Divisions of APS and JPS Hawaii 2005 (HAW05),Hawaii, September 18-22, 2005
◇ M. Hasinoff
A Test of Time Reversal Invariance in Stopped Kaon Decay
PANIC05, Santa Fe, NM, Oct 24, 2005, to be published in AIP conference proceedings◇ P. Depommier
Search for Time-Reversal Violation in Kaon Decays
5th Conference on Nuclear and Particle Physics, Cairo, Egypt, November 19-23 2005
＊ J. Imazato et al.
Search for T-violating Muon Polarization in XXX Decay Using Stopped Kaons
KEK-PS Research proposal-, KEK Report 91-8, TRI-91-1, INS Report 895, Nov.1991.
＊ Y. Kudenko and J. Imazato,
Performance of a High-Resolution CsI(Tl)-PIN Readout Detector
KEK Report 92-15, 1992.
＊ T. Baker et al.
Branching ratio of K+ → π+π0γ direct emission
KEK-PS Proposal June 2000.
＊ J. Imazato
Search for Time Reversal Invariance Violation in the K+ → π0μ+ν (in Japanese).
High Energy News Vol.22 Number 5, April /May 2004________________________________________________________________________● Physics papers published in refereed journal.
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Technical papers.
PhD theses.
Conference and Symposium.
Internal Report and others.