Apparatus for a search for T-violating muon polarization in stopped-kaon decays

被引：26

作者：

Macdonald, JA

Abe, M

Aoki, M

Arai, I

Asano, Y

Baker, T

Blecher, M

Chapman, MD

Depommier, P

Gumplinger, P

Hasinoff, M

Henderson, R

Horie, K

Igarashi, Y

Ikeda, T

Imazato, J

Ivashkin, AP

Kaga, A

Kang, JH

Khabibullin, MM

Khotjantsev, AN

Kim, EJ

Kim, KU

Kudenko, YG

Kuno, Y

Lee, JM

Lee, KS

Lim, GY

Marlow, DR

Mindas, CR

Mineev, OV

Rangacharyulu, C

Sekikawa, S

Shibata, K

Shimizu, HM

Shimizu, S

Shin, YM

Shin, YH

Sim, KS

Suzuki, A

Tashiro, T

Watanabe, A

Wright, D

Yim, CH

Yokoi, T

机构：

[1] TRIUMF, Vancouver, BC V6T 2A3, Canada

[2] Univ Tsukuba, Tsukuba, Ibaraki 3050006, Japan

[3] High Energy Accelerator Res Lab KEK, Tsukuba, Ibaraki 3050801, Japan

[4] Univ Saskatchewan, Saskatoon, SK, Canada

[5] Virginia Polytech Inst & State Univ, Blacksburg, VA 24061 USA

[6] Univ Montreal, Montreal, PQ H3C 3J7, Canada

[7] Univ British Columbia, Vancouver, BC V6T 1Z1, Canada

[8] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia

[9] Kanagawa Univ, Hiratsuka, Kanagawa 2591293, Japan

[10] Yonsei Univ, Seoul 120749, South Korea

[11] Korea Univ, Seoul 136701, South Korea

[12] Princeton Univ, Princeton, NJ 08544 USA

[13] Osaka Univ, Osaka 5600043, Japan

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2003年 / 506卷 / 1-2期

基金：

俄罗斯基础研究基金会; 美国国家科学基金会; 加拿大自然科学与工程研究理事会; 日本学术振兴会;

关键词：

separated stopped K beams; k(mu 3) decays; T-violation; transverse muon polarization; toroidal spectrometer; muon polarimeter; scintillation fiber target; CsI(Tl) photon detector;

D O I：

10.1016/S0168-9002(03)01363-9

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The detector built at KEK to search for T-violating transverse muon polarization in K+ --> pi(0)mu(+)v(mu) (K-mu3) decay of stopped kaons is described. Sensitivity to the transverse polarization component is obtained from reconstruction of the decay plane by tracking the mu(+) through a toroidal spectrometer and detecting the pi(0) in a segmented CsI(TI) photon calorimeter. The muon polarization was obtained from the decay positron asymmetry of unions stopped in a polarimeter. The detector included features which minimized systematic errors while maintaining high acceptance. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：60 / 91

页数：32

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