论文标题
在极化正电子 - 电子歼灭中对光子对生产的一环辐射校正
One-loop radiative corrections to photon-pair production in polarized positron-electron annihilation
论文作者
论文摘要
提出了两极化 - 电子 - 电子歼灭中光子对产生的理论描述。根据对电子质量的确切依赖性，计算完整的一环辐射校正。分析结果是在Sanc〜系统的帮助下得出的。对横截面的相关贡献是通过使用螺旋幅度方法来分析计算的。研究了初始状态下的非极化和纵向极化费米的病例。计算是在蒙特卡洛集成商McSance和Generes Renesance中实现的，该计算允许实施低和高能量的$ E^+E^ - $ nihihihitation数据。
A theoretical description of photon-pair production in polarized positron-electron annihilation is presented. Complete one-loop electroweak radiative corrections are calculated taking into account the exact dependence on the electron mass. Analytical results are derived with the help of the SANC~system. The relevant contributions to the cross section are calculated analytically using the helicity amplitude approach. The cases of unpolarized and longitudinally polarized fermions in the initial state are investigated. Calculations are realized in the Monte Carlo integrator MCSANCee and generator ReneSANCe which allow one the implementation of any experimental cuts used in the analysis of $e^+e^-$ annihilation data of both low and high energies.
