BOSE-EINSTEIN EFFECTS AND W-MASS DETERMINATIONS

被引：118

作者：

LONNBLAD, L

SJOSTRAND, T

机构：

[1] Theory Division, CERN

来源：

PHYSICS LETTERS B | 1995年 / 351卷 / 1-3期

关键词：

D O I：

10.1016/0370-2693(95)00393-Y

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In e(+)e(-) --> W+W- --> q(1) (q) over bar(2)q(3) (q) over bar(4) events at LEP 2, the two W decay vertices are much closer to each other than typical hadronization distances. Therefore the Bose-Einstein effects, associated with the production of identical bosons (mainly pions), may provide a 'cross-talk' between the W+ and the W- decay products. If so, the observable W masses are likely to be affected. We develop algorithms for the inclusion of Bose-Einstein effects in multi-hadronic events. In this way we can study potential uncertainties in the W mass determination. In some scenarios the effects are significant, so that this source of uncertainty cannot be neglected.

引用

页码：293 / 301

页数：9

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