HIGHER-ORDER QED CORRECTIONS TO W-PAIR PRODUCTION AT LEP-II

被引:9
|
作者
CACCIARI, M [1 ]
DEANDREA, A [1 ]
MONTAGNA, G [1 ]
NICROSINI, O [1 ]
机构
[1] INST NAZL FIS NUCL,I-27100 PAVIA,ITALY
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关键词
D O I
10.1007/BF01559436
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
The problem of evaluating initial state QED corrections to the W pair production cross section, taking into account the effects of finite W width, is investigated. The contributions of higher order corrections compared with the O(alpha) ones, hard bremsstrahlung and experimental photon energy cuts are computed within the structure functions formalism both in the threshold and peak region. The numerical impact of the corrections on the W mass measurement is studied.
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页码:421 / 426
页数:6
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