Hadronic top-quark pair production with NNLL threshold resummation

M. Beneke; P Falgari; Sebastian Klein; C. Schwinn

doi:10.1016/j.nuclphysb.2011.10.021

Hadronic top-quark pair production with NNLL threshold resummation

M. Beneke, P Falgari, Sebastian Klein, C. Schwinn

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Abstract

We compute the total top-quark pair production cross section at the Tevatron and LHC based on approximate NNLO results, and on the summation of threshold logarithms and Coulomb enhancements to all orders with next-to-next-to-leading logarithmic (NNLL) accuracy, including bound-state effects. We find for mt=173.3 GeV. The implementation of joint soft and Coulomb resummation, its ambiguities, and the present theoretical uncertainty are discussed in detail. We further obtain new approximate results at N3LO.

Original language	English
Pages (from-to)	695-741
Number of pages	47
Journal	Nuclear Physics B
Volume	855
Issue number	3
DOIs	https://doi.org/10.1016/j.nuclphysb.2011.10.021
Publication status	Published - 2012

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title = "Hadronic top-quark pair production with NNLL threshold resummation",

abstract = "We compute the total top-quark pair production cross section at the Tevatron and LHC based on approximate NNLO results, and on the summation of threshold logarithms and Coulomb enhancements to all orders with next-to-next-to-leading logarithmic (NNLL) accuracy, including bound-state effects. We find for mt=173.3 GeV. The implementation of joint soft and Coulomb resummation, its ambiguities, and the present theoretical uncertainty are discussed in detail. We further obtain new approximate results at N3LO.",

author = "M. Beneke and P Falgari and Sebastian Klein and C. Schwinn",

year = "2012",

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AU - Beneke, M.

AU - Falgari, P

AU - Klein, Sebastian

AU - Schwinn, C.

PY - 2012

Y1 - 2012

N2 - We compute the total top-quark pair production cross section at the Tevatron and LHC based on approximate NNLO results, and on the summation of threshold logarithms and Coulomb enhancements to all orders with next-to-next-to-leading logarithmic (NNLL) accuracy, including bound-state effects. We find for mt=173.3 GeV. The implementation of joint soft and Coulomb resummation, its ambiguities, and the present theoretical uncertainty are discussed in detail. We further obtain new approximate results at N3LO.

AB - We compute the total top-quark pair production cross section at the Tevatron and LHC based on approximate NNLO results, and on the summation of threshold logarithms and Coulomb enhancements to all orders with next-to-next-to-leading logarithmic (NNLL) accuracy, including bound-state effects. We find for mt=173.3 GeV. The implementation of joint soft and Coulomb resummation, its ambiguities, and the present theoretical uncertainty are discussed in detail. We further obtain new approximate results at N3LO.

U2 - 10.1016/j.nuclphysb.2011.10.021

DO - 10.1016/j.nuclphysb.2011.10.021

M3 - Article

VL - 855

SP - 695

EP - 741

JO - Nuclear Physics B

JF - Nuclear Physics B

IS - 3

ER -

Hadronic top-quark pair production with NNLL threshold resummation

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