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Report number arXiv:1903.01646 ; CERN-TH-2019-014 ; LA-UR-19-21475,TUM-HEP-1190/19 ; LA-UR-19-21475
Title Momentum-space threshold resummation in tW production at the LHC
Author(s) Li, Chong Sheng (Peking U., SKLNPT ; Peking U., CHEP) ; Li, Hai Tao (Los Alamos) ; Shao, Ding Yu (CERN) ; Wang, Jian (Munich, Tech. U.)
Publication 2019-06-25
Imprint 2019-03-04
Number of pages 15
Note 15 pages, 5 figures, 2 tables, matched to published version
In: JHEP 1906 (2019) 125
DOI 10.1007/JHEP06(2019)125 (publication)
Subject category hep-ph ; Particle Physics - Phenomenology
Accelerator/Facility, Experiment CERN LHC
Abstract We calculate the soft-gluon corrections for tW production to all orders. The soft limit is defined in the pair invariant mass or one particle inclusive kinematic schemes. We find that at NLO the contribution of the soft-gluon effect dominates in the total cross section or the differential distributions. After resumming the soft-gluon effect to all orders using the renormalization group equation, we find that the NLO+NNLL results increase the NLO cross sections by 12%17% depending on the scheme and the collider energy. Our results are in agreement with the measurements at the 8 and 13 TeV LHC. We also provide predictions for the total cross section at the 14 TeV LHC.
Copyright/License preprint: (License: arXiv nonexclusive-distrib 1.0)



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