E246 J. Imazato

Search for T violation in the K⁺ → π⁰µ⁺ν decay

Submitted	(1991/6/10)
Approved	1991/7/16
Beam line	K5
Shift requested	450 +200 extension
Shift executed	446 +142 extension
Executed cycles	(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	2000/6/23
Approved	2000/7/25
Beam line	K5
Shift requested	80
Shift executed	96.5
Executed cycles	01[3-1,3-2]

Papers and activities

[Legend]
●	Physics papers published in refereed journal
○	Technical papers
★	PhD theses
◇	Conference and Symposium
＊	Internal Report and others

●　M. Abe et al.
	Search for T-violating transverse muon polarization in K^+ → π^0μ^+ν decay using stopped kaons
	Phys. Rev. Lett. 83 (1999) 4253.
●　Y. H. Shin et al.
	A kinematically complete measurement of K^+ → π^+π^0π^0decay
	Eur. Phys. J. C12 (2000) 627.
●　S. Shimizu et al.
	Test of exotic scalar and tensor couplings in K^+ → π^0e^+γ decay
	Phys. Lett.. B495 (2000) 33.
●　K. Horie et al.
	Measurement of Γ(Kμ3)/Γ(Ke3) ratio using stopped positive kaons
	Phys. Lett. B513 (2001) 311.
●　M. A. Aliev et al.
	Measurement of direct photon emission in K^+ → π^+π^0γ decay using stopped kaons
	Phys. 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^+ → π^0μ^+ν decay
	Phys. Rev. Let. 93 (2004) 131601-1
●　S. Shimizu et al.
	Measurement of K^+ → π^0π^0e^+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^+ → π^0µ^+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^+π^0γ decay
	Eur. Phys. J. C46 (2006) 61-67
●　S. Shimizu et al.
	Measurement of K^+ → π^0µ^+νγ decay using stopped kaons
	Phys. 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^+ → π^0e^+ν Form Factors using Stopped K^+
	Tokyo Institute of Technology, 1997.
★　Y. Igarashi;
	Measurement of the form factors in K^+ → π^0μ^+ν decay
	University of Tsukuba, 1997.
★　T. Ikeda
	Measurement of Muon In-Plane Polarization in the Decay of K^+ → π^0μ^+ν
	University of Tsukuba, 1998.
★　T. Yokoi
	Search for T-violating Muon Polarization in K^+ → π^0μ^+ν decay
	University of Tokyo, 1998.
★　C. Mindas
	Search for T Violation in the K^+ → π^0μ^+ν decay
	Princeton University, 1998.
★　H.C. Huang
	Search for T-violating Muon Polarization in K^+ → γμ^+ν Decay
	National Taiwan University, 1998.
★　Y.H. Shin
	Kinematically Complete Measurement of K^+ → π^+π^0π^0 Decays
	Yonsei University, 1998.
★　A.P. Ivashkin
	Search for T violation in the K^+ → π^0μ^+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 the parameters 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 the parameters 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^+ → π^0μ^+νdecay
	Proc. 10th Int. Symp. High Energy Spin Physics, Nagoya, November 9-14, 1992.
◇　Y. Kuno
	Muon Polarization in K^+ Decays
	Proc. Workshop on Future Directions in Particle and Nuclear Physics at Multi-GeV Hadron Facilities, BNL, March 1993.
◇　Y. Kuno
	Search 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. Kuno
	Search for Time Reversal Violation in K^+ → π^0μ^+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^+ → π^0μ^+ν the E246 Detector at KEK
	Proc. 11th Int. Symp. High Energy Spin Physics, U.S.A., Sept. 1994.
◇　Y. Kuno
	Search for Time reversal Violation in K and B Decays
	Proc. 1st Int. Symp. Symmetries in Subatomic Physics”, Taipei, May 1994 [Canadian Journal of Physics, 32 (1994) 1015].
◇　J. Imazato
	T violation Test K^+ → π^0μ^+ν
	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^+ → π^0μ^+ν
	Proc. IV Int. Symp. Weak and Electromagnetic Interactions in Nuclei (WEIN95), Osaka, June 12-16,1995.
◇　Y. Kuno
	Search 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^+ → π^0μ^+ν Decay
	Proc. Europhysics Conf. High Energy Physics, Brussel, July 27-Aug.2, 1995.
◇　M. Chapman
	Search for T-violation in the K^+ → π^0μ^+ν Decay
	APR96 Meeting of the American Physics Society, May 1996.
◇　Y.G. Kudenko
	T-violating muon polarization in the K^+ → π^0μ^+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^+ → π^0μ^+ν Decay
	Proceedings of the 1996 Workshop on Heavy Quarks at Fixed Target", St.Goar, October 3-6, 1996, p.431
◇　Y. Kuno
	Search for T-violation in K^+ → π^0μ^+ν Decay
	Proceedings of the Third Workshop on Particle Physics Phenomenology, Taipei, November 14-17, 1996, p.144
◇　Y. Kudenko
	High 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^+ → π^0μ^+ν Decay
	Proceedings of the International Conference of "Intersections between Particle and Nuclear Physics", Montana, June, 1997
◇　M. Aoki
	Search for T-violation in K^+ → π^0μ^+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^+ → π^0μ^+ν Decay
	Proceedings of the DNP97 Meeting of the American Physical Society, Whisler, October 5-8, 1997
◇　M. Aoki
	Search for T-violation in K^+ → π^0μ^+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^+ → π^0μ^+ν Decay
	Proc. of the XXIX International Conference on High Energy Physics, Vancouver, Canada, July 23-29, 1998".
◇　J. Imazato
	T Violation in K^+ → π^0μ^+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. Aoki
	T 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^+ → π^0μ^+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
	17^th 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 decay
	International Conference on Quark Nuclear Physics, Adelaide, Australia, Feb.21-25, 2000. [to be published in Nuclear Physics A].
◇　P. Depommier
	Search for time-reversal violation in the K^+ → π^0μ^+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^+ → π^0μ^+ν
	XXXVth Recontres de Moriond, Electroweak Interaction and Unified Theories, Les Arcs, France, March 11-18, 2000.
◇　Y. Kuno
	Test 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
	7^th 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^+ → π^0μ^+ν decay
	XXXth International Conference on High Energy Physics, Osaka, Japan, July 27- Aug.2, 2000.
◇　J. Imazato
	Branching ratio measurement of K^+ → π^0μ^+ν direct emission
	Kaon Decay Workshop for Young Physicists, Tsukuba, Japan, February 14-16, 2001.
◇　J. Imazato
	Search for T Violation K^+ → π^0μ^+ν in at KEK E246
	International conference on CP Violation (KAON2001), Pisa, Italy, June 12-17, 2001. Frascati 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^+ → π^0μ^+ν
	16^th International Conference on Particles and Nuclei, Osaka, Japan, September 30-October 4, 2002.
◇　K. Horie
	Search for T-violating transverse muon polarization in K^+ → π^0μ^+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^+ → π^0μ^+ν Decay
	XXXIX Rencontres de Moriond – March 21-28, 2004. (Electroweak Interactions).
◇　C. Rangacharyulu
	Search for T-violation in Kμ^3 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^+ → π^0μ^+ν (Kμ^3) 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^+π^0γ direct emission
	KEK-PS Proposal June 2000.
＊　J. Imazato
	Search for Time Reversal Invariance Violation in the K^+ → π^0μ^+ν (in Japanese).
	High Energy News Vol.22 Number 5, April /May 2004