STUDY OF K-STAR PRODUCTION IN TAU DECAY

被引：43

作者：

GOLDBERG, M

机构：

[1] Syracuse University, Syracuse

[2] Vanderbilt University, Nashville

[3] Cornell University, Ithaca

[4] Ithaca College, Ithaca

[5] University of Florida, Gainesville

[6] Harvard University, Cambridge

[7] University of Kansas, Lawrence

[8] University of Minnesota, Minneapolis

[9] Ohio State University, Columbus

[10] Purdue University, West Lafayette

[11] University of Rochester, Rochester

[12] State University of New York at Albany, Albany

来源：

PHYSICS LETTERS B | 1990年 / 251卷 / 01期

关键词：

D O I：

10.1016/0370-2693(90)90256-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on a study of charged and neutral K* production in tau decay. We obtain a branching ratio value BR(τ-→K*-ντX0) = (1.43±0.11±0.13)% where X0 designates possible unobserved neutral particles (charge conjugate modes are implicit). We observe the first signals for inclusive K*0 and K̄*0 production in τ- decay, and determine the inclusive branching ratios τ-→K*0K-ντX0 and τ- K ̄*0π-ντX0 to be (0.32±0.08±0.12)% and (0.38±0.11±0.13)%, respectively. We have searched for the decay τ-→K0K-ντX0 and set a limit of 8 × 10-3 at 90% confidence level. © 1990.

引用

页码：223 / 228

页数：6

共 10 条

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