GR@PPA 2.8: Initial-state jet matching for weak-boson production processes at hadron collisions

Abstract
The initial-state jet matching method introduced in our previous studies has been applied to the event generation of single W and Z production processes and diboson ( ^(W+W-), WZ and ZZ) production processes at hadron collisions in the framework of the GR@PPA event generator. The generated events reproduce the transverse momentum spectra of weak bosons continuously in the entire kinematical region. The matrix elements (ME) for hard interactions are still at the tree level. As in previous ve...

Title of program: GR@PPA 2.8
Catalogue Id: ADRH_v3_0

Nature of problem
We need to combine those processes including 0 jet and 1 jet in the matrix elements using an appropriate matching method, in order to simulate weak-boson production processes in the entire kinematical region.

Versions of this program held in the CPC repository in Mendeley Data
ADRH_v1_0; GR@PPA_4b (v1.0); 10.1016/S0010-4655(02)00793-2
ADRH_v2_0; GR@PPA (v2.7); 10.1016/j.cpc.2006.07.011
ADRH_v3_0; GR@PPA 2.8; 10.1016/j.cpc.2011.12.023

This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019)

摘要
我们在前期研究中提出的初态喷注（jet）匹配方法，已在GR@PPA事件生成器框架下，应用于强子对撞环境下单W、Z玻色子产生过程以及双玻色子（W+W-、WZ和ZZ）产生过程的事件生成。所生成的事件能够在全运动学区域内连续复现弱玻色子的横动量谱。强相互作用的矩阵元（matrix elements，ME）仍处于树图级。正如此前的[原文未完整]

程序名称：GR@PPA 2.8
目录编号：ADRH_v3_0

问题本质
我们需要采用合适的匹配方法，将矩阵元中包含0喷注与1喷注的各类过程进行合并，以实现全运动学区域内弱玻色子产生过程的模拟。

Mendeley数据中CPC程序库收录的该程序版本包括：
ADRH_v1_0; GR@PPA_4b (v1.0); 10.1016/S0010-4655(02)00793-2
ADRH_v2_0; GR@PPA (v2.7); 10.1016/j.cpc.2006.07.011
ADRH_v3_0; GR@PPA 2.8; 10.1016/j.cpc.2011.12.023

本程序源自贝尔法斯特女王大学托管的CPC程序库（1969-2019年）