Measurement of K+→π0μ+νγ decay using stopped kaons

被引：0
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作者：
Shimizu, S [1 ]
Horie, K
Aliev, MA
Asano, Y
Baker, T
Depommier, P
Hasinoff, M
Igarashi, Y
Imazato, J
Ivashkin, AP
Khabibullin, MM
Khotjantsev, AN
Kudenko, YG
Levchenko, AS
Lim, GY
Macdonald, JA
Mineev, OV
Rangacharyulu, C
Sawada, S
机构：
[1] Osaka Univ, Dept Phys, Osaka 5600043, Japan
[2] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia
[3] Univ Tsukuba, Inst Appl Phys, Ibaraki 3050006, Japan
[4] High Energy Accelerator Res Org, KEK, Inst Particle & Nucl Studies, Ibaraki 3050801, Japan
[5] Univ Montreal, Nucl Phys Lab, Montreal, PQ H3C 3J7, Canada
[6] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada
[7] TRIUMF, Vancouver, BC V6T 2A3, Canada
[8] Univ Saskatchewan, Dept Phys, Saskatoon, SK S7N 5E2, Canada
来源：
PHYSICS LETTERS B | 2006年 / 633卷 / 2-3期
关键词：
kaon decays;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The K+ -> pi(0) mu(+) v gamma (K mu 3 gamma) decay has been measured with stopped positive kaons at the KEK 12 GeV proton synchrotron. A K mu 3 gamma sample containing 125 events was obtained. The partial branching ratio Br(K mu 3 gamma, E gamma > 30 MeV, theta mu+gamma > 20 degrees) was found to be [2.4 +/- 0.5(stat) +/- 0.6(syst)] x 10(-5), which is in good agreement with theoretical predictions. (c) 2005 Elsevier B.V. All rights reserved.
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页码：190 / 194
页数：5
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