期刊
PHYSICS LETTERS B
卷 705, 期 1-2, 页码 76-81出版社
ELSEVIER
DOI: 10.1016/j.physletb.2011.09.080
关键词
QCD; Jets; Top quarks
资金
- HEPTOOLS network [MRTN-CT-2006-035505]
- LHCPhenoNet network [PITN-GA-2010-264564]
- Swiss National Science Foundation [SCOPES IZ73Z0_1/28079]
- TAMOP [4.2.1./B-09/1/KONV-2010-0007]
We compute the production cross section of a top-antitop pair in association with a jet at hadron colliders at next-to-leading order accuracy matched with parton shower algorithms to make predictions at the hadron level. The parton shower allows for including the decay of the top quarks at the leading order accuracy. We use a framework based on three well established numerical codes, the POWHEG BOX, used for the calculation of the cross section, HELAC, which generates the matrix elements for the Born-level, real emission and the virtual part, and finally a parton shower program, such as PYTHIA or HERWIG, which generate the parton-shower and hadronization. (C) 2011 Elsevier B.V. All rights reserved.
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