PHOTOS - a universal Monte Carlo for QED radiative corrections: version 2.0

Abstract
This paper documents an update of the PHOTOS algorithm, by E. Barberio, B. van Eijk and Z. Wa̧s, for the Monte Carlo simulation of QED photon radiative corrections in decays. The algorithm is implemented as an independent package written in FORTRAN 77. The program is universal, i.e. it allows for easy interfacing with "any" program generating decays of "any" particle. The program can be used to estimate the size of the QED bremsstrahlung in the leading-logarithmic (collinear) approximation, b...

Title of program: PHOTOS, version: 2.0
Catalogue Id: ABZI_v2_0 [ACTA]

Nature of problem
Most of the decay modes of particles or resonances are accompanied by the QED real photon corrections. The presence of (a) hard photon(s) may affect the shape of the measured distributions, detection efficiencies and/or experimental selection criteria.

Versions of this program held in the CPC repository in Mendeley Data
ABZI_v1_0; PHOTOS version 1.3; 10.1016/0010-4655(91)90012-A
ABZI_v2_0; PHOTOS, version: 2.0; 10.1016/0010-4655(94)90074-4

This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2018)

本文档记录了E. Barberio、B. van Eijk和Z. Wa̧s对PHOTOS算法的更新，该算法旨在对QED光子辐射修正进行蒙特卡洛模拟，适用于粒子衰变过程。该算法以FORTRAN 77语言独立编写成一个软件包。该程序具有通用性，即能够轻松与生成“任何”粒子衰变的“任何”程序进行接口。程序可用于估算在主导对数近似（共线近似）下QED光子辐射修正的大小，b...

程序名称：PHOTOS，版本：2.0

目录编号：ABZI_v2_0 [ACTA]

问题性质
大多数粒子的衰变模式或共振都伴随着QED实光子修正。存在（一个或多个）硬光子可能会影响测量分布的形状、检测效率以及/或实验选择标准。

此程序在Mendeley数据中的CPC存储库中保存的版本
ABZI_v1_0；PHOTOS版本1.3；10.1016/0010-4655(91)90012-A
ABZI_v2_0；PHOTOS，版本：2.0；10.1016/0010-4655(94)90074-4

此程序已从贝尔法斯特女王大学（1969-2018年）持有的CPC程序库中导入。