NNLL resummation for the associated production of a top pair and a Higgs boson at the LHC

被引：0
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作者：
Alessandro Broggio
Andrea Ferroglia
Ben D. Pecjak
Li Lin Yang
机构：
[1] Technische Universität München,Physik Department T31
[2] The City University of New York,Physics Department, New York City College of Technology
[3] The Graduate School and University Center,Institute for Particle Physics Phenomenology, Ogden Centre for Fundamental Physics, Department of Physics
[4] The City University of New York,School of Physics and State Key Laboratory of Nuclear Physics and Technology
[5] University of Durham,Center for High Energy Physics
[6] Science Laboratories,undefined
[7] Peking University,undefined
[8] Collaborative Innovation Center of Quantum Matter,undefined
[9] Peking University,undefined
来源：
Journal of High Energy Physics | / 2017卷
关键词：
NLO Computations; QCD Phenomenology;
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学科分类号：
摘要：
We study the resummation of soft gluon emission corrections to the production of a top-antitop pair in association with a Higgs boson at the Large Hadron Collider. Starting from a soft-gluon resummation formula derived in previous work, we develop a bespoke parton-level Monte Carlo program which can be used to calculate the total cross section along with differential distributions. We use this tool to study the phenomenological impact of the resummation to next-to-next-to-leading logarithmic (NNLL) accuracy, finding that these corrections increase the total cross section and the differential distributions with respect to NLO calculations of the same observables.
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