E462 H. Outa

Exclusive Measurement of the Non-Mesonic Weak Decay of 5ΛHe

 

E508 H.C.Bhang

Coincidence Measurement of the Weak Decay of 12ΛC

 

E462

Submitted

2000.3.7

Approved

2000.4.6

Beam line

K6

Shift requested

125

Shift executed

161.3

Executed cycles

00[5], 01[3-1,3-2]

 

E508

Submitted

2002.2.20

Approved

2002.3.18

Beam line

K6

Shift requested

80

Shift executed

80

Executed cycles

02[1,2]

 

 

Papers and activities

 

[Legend]

Physics papers published in refereed journal

Technical papers

PhD theses

Conference and Symposium

Internal Report and others

 

S. Okada et al

 

Neutron and proton energy spectra from the non-mesonic weak decays of 5ΛHe and 12ΛC

 

Phys.Lett. B597, 249 (2004)

B.H. Kang et al. 

 

Exclusive Measurement of the Non-Mesonic Weak Decay from 5ΛHe

 

Phys. Rev. Lett. 96 (2006) 062301

M. J. Kim et al.

 

Coincidence measurement of the nonmesonic weak decay of 12ΛC

 

Phys. Lett. B641 (2006) 28-33

T. Maruta et al.

 

Decay asymmetry in non-mesonic weak decay of lightΛ-hypernuclei

 

Eur. Phys. J. A 33, 255-258 (2007)

H. Bhang et al.

 

The quenching of nucleon yields in the nonmesonic weak decay of Λ-hypernuclei and the three-body weak decay process

 

Eur. Phys. J. A 33, 259-263 (2007)

S. Okada

 

Non-mesonic Weak Decays of 5ΛHe and 12ΛC Hypernuclei in (π+, K+) Reactions

 

Tokyo Institute of Technology, 2004.

B.H, Kang

 

Nonmesonic Weak Decay of 5ΛHe hypernucleus

 

Seoul National University, August 2004

S. Kameoka

 

Study of mesonic decay of 5ΛHe and 12ΛC

 

Tohoku University, March 2004

M. Kim

 

Nonmssonic Weak Decay of 12ΛC hypernucleus

 

Seoul National University,  February 2006

T. Maruta

 

Decay Asymmetry in Non-mesonic Weak Decay of Light L Hypernuclei

 

The University of Tokyo, May 2006

H. Outa et al.

 

Weak Decay of Light S-shell Hypernulei 4ΛH, 4ΛHe and 5ΛHe

 

Proceedings of the "Electrophotoproduction of Strangeness in Nucleons and Nuclei (SENDAI03)" Sendai, June 15-18, 2003. World Scientific: 419-416 (2004)

S. Okada et al

 

Neutron Energy Soectra form the Non-Mesonic Weak Decay of 5ΛHe and 12ΛC Hypernuclei

 

Proceedings of the "Electrophotoproduction of Strangeness in Nucleons and Nuclei (SENDAI03)" Sendai, June 15-18, 2003. World Scientific: 417-420 (2004)

B. H. Kang et al

 

The n+p and n+n Coincidence Measurement of the Non-Mesonic Weak Decay of 5ΛHe

 

Proceedings of the "Electrophotoproduction of Strangeness in Nucleons and Nuclei (SENDAI03)" Sendai, June 15-18, 2003. World Scientific: 421-425 (2004)

T. Maruta et al.

 

Asymmetry in Non-Mesonic Weak Decay of Light Hypernuclei

 

Proceedings of the "Electrophotoproduction of Strangeness in Nucleons and Nuclei (SENDAI03)" Sendai, June 15-18, 2003. World Scientific: 426-429 (2004)

S. Kameoka et al.

 

Measurement of the π- Decay Width of 5ΛHe

 

Proceedings of the "Electrophotoproduction of Strangeness in Nucleons and Nuclei (SENDAI03)" Sendai, June 15-18, 2003. World Scientific: 430-433 (2004)

H. Yim et al.

 

Measurement of π0 Mesonic Decay Width (Γπ0) of Λ Hypernuclei, 5ΛHe and 12ΛC

 

Proceedings of the "Electrophotoproduction of Strangeness in Nucleons and Nuclei (SENDAI03)" Sendai, June 15-18, 2003. World Scientific: 434-438 (2004)

H. C. Bhang et al.

 

Non-mesonic weak decay of 5ΛHe and 12ΛC and the effect of FSI on its observables.

 

Proceedings of DAONE 2004: Physics at Meson Factories Frascati, June 7-11(2004), Frascati Physics Series Vol. XXXVI(2004), 243-248.

M. J. Kim et al.

 

First Exclusive Measurement of the Non-Mesonic Weak Decay of 12ΛC

 

Proceedings of DAONE 2004: Physics at Meson Factories Frascati, June 7-11(2004), Frascati Physics Series Vol. XXXVI(2004), 273-242

H.C. Bhang et al.

 

Hypernuclear Weak Decay Experiment at KEK: Nucleon Inclusive measurement

 

Proc. Int. Conf. on Hypernuclear and Strange Particle Physics (HYP2003), Jefferson Lab., October 14-18, 2003, Nucl.Phys. A754, 144-156 (2005)

H. Outa et al.

 

Hypernuclear Weak Decay Experiment at KEK: n-n and n-p Coincidence Measurement

 

Proc. Int. Conf. on Hypernuclear and Strange Particle Physics (HYP2003), Jefferson Lab., October 14-18, 2003, Nucl.Phys. A754, 157-167 (2005)

T. Maruta et al.

 

Proton asymmetry in non-mesonic weak decay of lihgt hypernuclei

 

Proc. Int. Conf. on Hypernuclear and Strange Particle Physics (HYP2003), Jefferson Lab., October 14-18, 2003, Nucl.Phys. A754, 168-172 (2005)

S. Kameoka et al

 

Measurement of the π-decay width of 5ΛHe

 

Proc. Int. Conf. on Hypernuclear and Strange Particle Physics (HYP2003), Jefferson Lab., October 14-18, 2003, Nucl.Phys. A754, 173-177 (2005)

S. Okada et al.

 

π0 decay branching ratios of 5ΛHe and 12ΛC hypernuclei

 

Proc. Int. Conf. on Hypernuclear and Strange Particle Physics (HYP2003), Jefferson Lab., October 14-18, 2003, Nucl.Phys. A754, 178-183 (2005)

S. Okada et al.

 

Nucleon-nucleon coincidence measurement in the non-mesonic weak decay of 5ΛHe and 12ΛC

 

The 22nd International Nuclear Physics Conference (INPC2004), Goetheborg, June 27-July 2, 2004, Nucl.Phys. A752, 196-199 (2005)

M. Kim et al.

 

Coincidence exclusive measurement of the nonmesonic weak decay of 12ΛC

 

AIP Conf. Proc. 842:528-530, 2006. Also in *Santa Fe 2005, Particles and nuclei* 528-53.

H. Bhang et al.

 

Three-body weak interaction process in the decay of Λ hypernuclei.

 

AIP Conf. Proc. 842:418-420, 2006. Also in *Santa Fe 2005, Particles and nuclei* 418-420.

H. Outa

 

Week decay – experimental results.

 

Conference on the 8th International Conference on Hypernuclear and Strange Particle Physics. Univ. Of Mainz, Oct 10-14(2006)

T. Maruta et al.

 

Decay asymmetry in non-mesonic weak decay of light Λ hypernuclei.

 

Conference on the 8th International Conference on Hypernuclear and Strange Particle Physics. Univ. Of Mainz, Oct 10-14(2006)

H. Bhang et al.

 

The quenching of nucleon yields on the nonmesonic weak decay of Λ hypernuclei and the three-body weak interaction process.

 

Conference on the 8th International Conference on Hypernuclear and Strange Particle Physics. Univ. Of Mainz, Oct 10-14(2006)

H. Tamura

 

Spins in hypernuclear physics

 

Prepared for 17th International Spin Physics Symposium (SPIN06), Kyoto, Japan, 2-7 Oct 2006.

Published in AIP Conf.Proc.915 (2007) 70-75.

H. Bhang et al.

 

Signatures of the Three-body Process in the Weak Decay of Λ hypernuclei .

 

Proc. of the 3rd Asia-Pacific Conference on “Few-Body Problems in Physics” World Scientific Publishing Co., (2007) 332-336

S. Okada et al.

 

Non-mesonic weak decays of 5ΛHe and 12ΛC hypernuclei in +, K+) reactions

 

nternational Symposium on New Facet of Three Nucleon Force - 50 years of Fujita-Miyazawa Three Nucleon Force - (FM50), Tokyo, Japan, October 29-31, 2007, to be published by American Institute of Physics (AIP)

H. Bhang et al.

 

Three-body Weak Decay Process of Lambda Hypernuclei and its first Experimental Signatures.

 

Proceedings of INPC2007 (to be published).

三宅陽一郎

 

軽いΛハイパー核の非中間子崩壊における中性子エネルギースペクトル

 

修士論文,  大阪大学,  February 2001

S. Okada

 

Exclusive Measurement of Non-Mesonic Weak Decay of 5ΛHe

 

Master thesis, Tokyo Institute of Technology, February 2001

S. Kameoka

 

Lifetime Measurement of 5ΛHe Hypernucleus

 

Master thesis, Tohoku University, February 2002

丸田朋史

 

軽いハイパー各における非中間子弱崩壊の研究

 

修士論文, 東京大学,  February 2003

J.I. Hwang

 

The study of π- absorption process with 6Li and 12C.

 

Master Thesis, Ewha Womans University, February. 2003

H.J. Yim

 

Measurement of π0 mesonic weak decay branching ratio of 5ΛHe and 12ΛC hypernuclei

 

Master Thesis, Seoul National University, February. 2004

H. Outa

 

Experiments on hypernuclear weak decays

 

Prepared for International School of Physics 'Enrico Fermi': Summer Course on Hadronic Physics, Varenna, Lake Como, Italy, 22 Jun - 2 Jul 2004. Published in *Varenna 2004, Hadron physics* 219-258