PHOTOS Monte Carlo:: a precision tool for QED corrections in Z and W decays

被引：790

作者：

Golonka, P. ^{[1
]}

Was, Z.

机构：

[1] CERN, CH-1211 Geneva 23, Switzerland

[2] Inst Nucl Phys, PL-31342 Krakow, Poland

来源：

EUROPEAN PHYSICAL JOURNAL C | 2006年 / 45卷 / 01期

关键词：

D O I：

10.1140/epjc/s2005-02396-4

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 a discussion of the precision for the PHOTOS Monte Carlo algorithm, with improved implementation of QED interference and multiple-photon radiation. The main application of PHOTOS is the generation of QED radiative corrections in decays of any resonances, simulated by a "host" Monte Carlo generator. By careful comparisons automated with the help of the MC-TESTER tool specially tailored for that purpose, we found that the precision of the current version of PHOTOS is of 0.1% in the case of Z and W decays. In the general case, the precision of PHOTOS was also improved, but this will not be quantified here.

引用

页码：97 / 107

页数：11

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