Transverse-momentum-ordered showers and interleaved multiple interactions

被引：285

作者：

Sjöstrand, T ^{[1
]}

Skands, PZ ^{[1
]}

机构：

[1] Lund Univ, Dept Theoret Phys, S-22362 Lund, Sweden

来源：

EUROPEAN PHYSICAL JOURNAL C | 2005年 / 39卷 / 02期

关键词：

D O I：

10.1140/epjc/s2004-02084-y

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 propose a sophisticated framework for high-energy hadronic collisions, wherein different QCD physics processes are interleaved in a common sequence of falling transverse-momentum values. Thereby phase-space competition is introduced between multiple parton-parton interactions and initial-state radiation. As a first step we develop new transverse-momentum-ordered showers for initial- and final-state radiation, which should be of use also beyond the scope of the current article. These showers are then applied in the context of multiple interactions, and a few tests of the new model are presented. The article concludes with an outlook on further aspects, such as the possibility of a shower branching giving partons participating in two different interactions.

引用

页码：129 / 154

页数：26

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