期刊
PHYSICAL REVIEW D
卷 97, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.97.034028
关键词
-
资金
- National Science Foundation [PHY 1519606]
I present higher-order corrections from soft-gluon emission for the associated production of a top quark with a Z boson via anomalous t-q-Z couplings at LHC energies. Approximate next-to-next-to-leading order (aNNLO) double-differential cross sections are derived from soft-gluon resummation at next-to-leading-logarithm accuracy. The total tZ production cross sections and the top-quark transverse-momentum and rapidity distributions are calculated at aNNLO for various LHC energies. It is shown that the soft-gluon corrections are dominant and large for this process.
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