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Electroweak one-loop corrections for e+e- annihilation into t(t)over-bar including hard bremsstrahlung

被引：0
|
作者：
Fleischer, J
Leike, A
Riemann, T
Werthenbach, A
机构：
[1] Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany
[2] Univ Munich, Sekt Phys, D-80333 Munich, Germany
[3] DESY, D-15738 Zeuthen, Germany
[4] CERN, Div Theory, CH-1211 Geneva 23, Switzerland
来源：
EUROPEAN PHYSICAL JOURNAL C | 2003年 / 31卷 / 01期
关键词：
D O I：
10.1140/epjc/s2003-01263-8
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：
We present the complete electroweak one-loop corrections to top-pair production at a linear e(+)e(-) collider in the continuum region. Besides weak and photonic virtual corrections, real hard bremsstrahlung with simple realistic kinematical cuts is included. For the bremsstrahlung we advocate a semi-analytical approach with a high numerical accuracy. The virtual corrections are parameterized through six independent form factors, suitable for Monte Carlo implementation. Alternatively, our numerical package Topfit, a stand-alone code, can be utilized for the calculation of both differential and integrated cross sections as well as forward-backward asymmetries.
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收藏
页码：37 / 56
页数：20
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