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

页码：217 / 224

页数：8

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