Herwig 7.2 release note

被引：97

作者：

Bellm, Johannes ^{[1
]}

Bewick, Gavin ^{[2
]}

Ravasio, Silvia Ferrario ^{[2
]}

Gieseke, Stefan ^{[3
]}

Grellscheid, David ^{[4
]}

Kirchgaesser, Patrick ^{[3
]}

Loshaj, Frasher ^{[3
]}

Masouminia, Mohammad R. ^{[2
]}

Nail, Graeme ^{[5
]}

Papaefstathiou, Andreas ^{[5
]}

Plaetzer, Simon ^{[6
]}

Podskubka, Radek ^{[3
]}

Rauch, Michael ^{[3
]}

Reuschle, Christian ^{[1
]}

Richardson, Peter ^{[2
,7
]}

Schichtel, Peter ^{[2
]}

Seymour, Michael H. ^{[8
]}

Siodmok, Andrzej ^{[9
,10
]}

Webster, Stephen ^{[2
]}

机构：

[1] Lund Univ, Dept Astron & Theoret Phys, Lund, Sweden

[2] Univ Durham, Dept Phys, IPPP, Durham, England

[3] Karlsruhe Inst Technol, Inst Theoret Phys, Karlsruhe, Germany

[4] Univ Bergen, Dept Informat, Bergen, Norway

[5] Univ Edinburgh, Higgs Ctr Theoret Phys, Edinburgh, Midlothian, Scotland

[6] Univ Vienna, Fac Phys, Particle Phys, Vienna, Austria

[7] CERN, PH TH, Geneva, Switzerland

[8] Univ Manchester, Dept Phys & Astron, Particle Phys Grp, Manchester, Lancs, England

[9] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys Cracow, Warsaw, Poland

[10] Czech Tech Univ, Brehova 7, Prague 11519, Czech Republic

来源：

EUROPEAN PHYSICAL JOURNAL C | 2020年 / 80卷 / 05期

基金：

英国科学技术设施理事会; 欧洲研究理事会;

关键词：

D O I：

10.1140/epjc/s10052-020-8011-x

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：

A new release of the Monte Carlo event generator Herwig (version 7.2) is now available. This version introduces a number of improvements over the major version 7.0, notably: multi-jet merging with the dipole shower at LO and NLO QCD; spin correlations in both the dipole and angular-ordered parton showers; an improved choice of evolution variable in the angular-ordered parton shower; improvements to mass effects and top decays in the dipole shower, improvements to the simulation of multiple-parton interactions, including diffractive processes; a new model for baryonic colour reconnection; improvements to strangeness production; as well as a new tune of the hadronisation parameters and support for generic Lorentz structures in BSM models. This article illustrates new features of versions 7.1 and 7.2.

引用

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