Abstract In this paper we present a new Monte Carlo event generator ReneSANCe for simulation of processes at electron–positron colliders. In the current release of the generator the Bhabha scattering ( e + e − → e − e + ) and Higgs-strahlung ( e + e − → Z H ) process are implemented. Based on the SANC (Support for Analytic and Numeric Calculations for experiments at colliders) modules, the new generator takes into account complete one-loop and some higher-order electroweak radiative corrections with finite particle masses and polarizations. The new generator effectively operates in the collinear region and at the Z H production threshold. It is constructed in such a way that new processes can be easily added. The paper contains a theoretical description of the SANC approach, numerical validations and manual. Program summary Program Title: ReneSANCe-v1.0.0 Program Files doi: http://dx.doi.org/10.17632/wp36f7t3ft.1 Licensing provisions: GPLv3 Programming language: Fortran, C, C++ Supplementary material: Looptools [1], FOAM [2] Nature of problem: Theoretical calculations at next-to-leading order in perturbation theory allow to compute higher precision amplitudes for Standard Model processes and decays, provided proper treatments of UV divergences and IR singularities are performed. Solution method: Numerical integration of the precomputed differential expressions for cross sections of certain processes implemented as SANC modules [3,4]. Restrictions: The list of processes is limited to e + e − → e − e + and e + e − → Z H . References: [1] T. Hahn and M. Perez-Victoria, Comput. Phys. Commun. 118 (1999) 153–165, hep-ph/9807565 [2] S. Jadach, Comput.Phys.Commun. 152 (2003) 55-100, hep-ph/0203033 [3] A. Andonov, A. Arbuzov, D. Bardin, et al., Comput.Phys.Commun. 181 (2010) 305–312, arXiv:0812.4207 [4] D. Bardin et al., Phys. Rev. D 98, 013001, arXiv:1801.00125

中文翻译：

---

使用 ReneSANCe-v1.0.0 计算极化 NLO EW e+e− 横截面

摘要 在本文中，我们提出了一种新的蒙特卡罗事件发生器 ReneSANCe，用于模拟正负电子对撞机的过程。在生成器的当前版本中，实现了 Bhabha 散射 ( e + e − → e − e + ) 和 Higgs-strahlung ( e + e − → ZH ) 过程。基于 SANC（支持对撞机实验的分析和数值计算）模块，新发生器考虑了完整的单回路和一些具有有限粒子质量和极化的高阶电弱辐射校正。新发电机在共线区域和 ZH 生产阈值下有效运行。它的构建方式可以轻松添加新流程。该论文包含对 SANC 方法的理论描述、数值验证和手册。程序概要 程序名称：ReneSANCe-v1.0.0 程序文件 doi：http://dx.doi.org/10.17632/wp36f7t3ft.1 许可条款：GPLv3 编程语言：Fortran、C、C++ 补充材料：Looptools [1]、FOAM [2] Nature of问题：在微扰理论中以次先导顺序的理论计算允许为标准模型过程和衰减计算更高精度的幅度，前提是对紫外线发散和红外线奇点进行了适当的处理。解决方法：对作为 SANC 模块实现的某些过程的横截面的预先计算的微分表达式进行数值积分 [3,4]。限制：进程列表仅限于 e + e − → e − e + 和 e + e − → ZH 。参考文献： [1] T. Hahn 和 M. Perez-Victoria，Comput。物理。社区。118 (1999) 153–165，hep-ph/9807565 [2] S. Jadach，Comput.Phys.Commun。152 (2003) 55-100, hep-ph/0203033 [3] A. Andonov、A. Arbuzov、D. Bardin 等人，Comput.Phys.Commun。181 (2010) 305–312, arXiv:0812.4207 [4] D. Bardin 等人，Phys. 修订版 D 98, 013001, arXiv:1801.00125