Comparative study of various algorithms for the merging of parton showers and matrix elements in hadronic collisions

被引：724

作者：

Alwall, J. ^{[1
]}

Hoche, S. ^{[2
]}

Krauss, F. ^{[2
]}

Lavesson, N. ^{[3
]}

Lonnblad, L. ^{[3
]}

Maltoni, F. ^{[4
]}

Mangano, M. L. ^{[5
]}

Moretti, M. ^{[6
,7
]}

Papadopoulos, C. G. ^{[8
]}

Piccinini, F. ^{[9
]}

Schumann, S. ^{[10
]}

Treccani, M. ^{[6
,7
]}

Winter, J.

Worek, M. ^{[11
,12
]}

机构：

[1] SLAC, Menlo Pk, CA USA

[2] IPPP, Durham, England

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

[4] Catholic Univ Louvain, Ctr Particle Phys & Phenomenol CP3, B-1348 Louvain, Belgium

[5] CERN, Dept Phys, CH-1211 Geneva 23, Switzerland

[6] Dipartimento Fis, Ferrara, Italy

[7] Ist Nazl Fis Nucl, Ferrara, Italy

[8] NCSR Demokritos, Inst Nucl Phys, Athens, Greece

[9] Ist Nazl Fis Nucl, I-27100 Pavia, Italy

[10] Tech Univ Dresden, Inst Theoret Phys, Dresden, Germany

[11] Univ Karlsruhe, ITP, Karlsruhe, Germany

[12] Univ Silesia, Inst Phys, Katowice, Poland

来源：

EUROPEAN PHYSICAL JOURNAL C | 2008年 / 53卷 / 03期

关键词：

D O I：

10.1140/epjc/s10052-007-0490-5

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 compare different procedures for combining fixed-order tree-level matrix-element generators with parton showers. We use the case of W-production at the Tevatron and the LHC to compare different implementations of the so-called CKKW and MLM schemes using different matrix-element generators and different parton cascades. We find that although similar results are obtained in all cases, there are important differences.

引用

页码：473 / 500

页数：28

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