FEWZ 2.0: A code for hadronic Z production at next-to-next-to-leading order

Abstract We introduce an improved version of the simulation code FEWZ (Fully Exclusive W and Z Production) for hadron collider production of lepton pairs through the Drell–Yan process at next-to-next-to-leading order (NNLO) in the strong coupling constant. The program is fully differential in the phase space of leptons and additional hadronic radiation. The new version offers users significantly more options for customization. FEWZ now bins multiple, user-selectable histograms during a single run, and... Title of program: FEWZ Catalogue Id: AEJP_v1_0 Nature of problem Determination of the Drell-Yan Z/photon production cross section and decay into leptons, with kinematic distributions of leptons and jets including full spin correlations, at next-to-next-to-leading order in the strong coupling constant. Versions of this program held in the CPC repository in Mendeley Data AEJP_v1_0; FEWZ; 10.1016/j.cpc.2011.06.008 AEJP_v1_1; FEWZ 2.1; 10.1016/j.cpc.2012.09.005 This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2018)

摘要 本文介绍了一款针对强子对撞机中通过德雷尔-杨（Drell–Yan）过程产生轻子对的模拟代码FEWZ（全排他性W与Z玻色子产生，Fully Exclusive W and Z Production）的改进版本，其计算精度达到强耦合常数下的次次领头阶（next-to-next-to-leading order, NNLO）。该程序在轻子与额外强子辐射的相空间中具备全微分特性。新版本为用户提供了显著更多的自定义选项：FEWZ如今可在单次运行中对多个用户可选的直方图进行分箱处理，且……

程序标题：FEWZ
目录编号：AEJP_v1_0
问题本质：在强耦合常数的次次领头阶近似下，求解德雷尔-杨Z/光子产生截面及其轻子衰变过程，涵盖轻子与喷注的运动学分布及完整自旋关联。

孟德尔数据（Mendeley Data）中CPC程序库收录的该程序版本：
AEJP_v1_0; FEWZ; 10.1016/j.cpc.2011.06.008
AEJP_v1_1; FEWZ 2.1; 10.1016/j.cpc.2012.09.005

本程序源自贝尔法斯特女王大学维护的CPC程序库（1969-2018）