Search for the proton decay mode p→νK+ in Soudan 2

被引：16
|
作者：
Allison, WWM [1 ]
Alner, GJ
Ayres, DS
Barr, G
Barrett, WL
Bode, C
Border, PM
Brooks, CB
Cobb, JH
Cotton, R
Courant, H
Demuth, DM
Fields, TH
Gallagher, HR
Garcia-Garcia, C
Goodman, MC
Gran, R
Joffe-Minor, T
Kafka, T
Kasahara, SMS
Leeson, W
Litchfield, PJ
Longley, NP
Mann, WA
Marshak, ML
Milburn, RH
Miller, WH
Mualem, L
Napier, A
Oliver, WP
Pearce, GF
Peterson, EA
Petyt, DA
Price, LE
Ruddick, K
Schneps, J
Schub, MH
Seidlein, R
Stassinakis, A
Tom, H
Thron, JL
Vassiliev, V
Villaume, G
Wakeley, S
Wall, D
West, N
Wielgosz, UM
机构：
[1] Univ Oxford, Dept Phys, Oxford OX1 3RH, England
[2] Argonne Natl Lab, Argonne, IL 60439 USA
[3] Univ Minnesota, Minneapolis, MN 55455 USA
[4] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England
[5] Tufts Univ, Medford, MA 02155 USA
[6] Western Washington Univ, Bellingham, WA 98225 USA
来源：
PHYSICS LETTERS B | 1998年 / 427卷 / 1-2期
关键词：
D O I：
10.1016/S0370-2693(98)00380-3
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have searched for the proton decay mode p --> nu K+ using the one-kiloton Soudan 2 high resolution calorimeter. Contained events obtained from a 3.56 kiloton-year fiducial exposure through June 1997 are examined for occurrence of a visible K+ track which decays at rest into mu(+)nu or pi(+)pi(0). We found one candidate event consistent with background, yielding a limit, tau/B(p --> nu K+)> 4.3 x 10(31) years at 90% CL with no background subtraction. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：217 / 224
页数：8
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