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+ → π0μ+ν decay using stopped kaons

 

Phys. 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 kaons

 

Phys. Lett. B513 (2001) 311.

● M. A. Aliev et al.

 

Measurement of direct photon emission in K+ → π+π0γ 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+ → π0μ+ν decay

 

Phys. Rev. Let. 93 (2004) 131601-1

● 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 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+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

 

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 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+ → π0μ+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+ → 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 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+ → π0μ+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+ → π0μ+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+ → 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. Kuno

 

Search 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. 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+ → π0μ+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+ → 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. Aoki 

 

Search 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

 

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. 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+ → 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 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+ → 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. 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

 

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 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