期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 12, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP12(2021)020
关键词
NLO Computations; Supersymmetry Phenomenology
资金
- state of Baden-Wurttemberg through bwHPC
- German Research Foundation (DFG) [INST 39/963-1 FUGG]
This paper presents a calculation of the next-to-leading order QCD corrections to weakino+squark production processes at hadron colliders and their implementation in the POWHEG-BOX framework. The perturbative stability of the calculation is assessed for the pp -> (chi) over tilde (0)(1)d(L) process, and distributions of the chargino's decay products are provided for the squark+chargino production process pp -> chi((1) over bar) (u) over tilde (L) using the decay feature of PYTHIA 8.
We present a calculation of the next-to-leading order QCD corrections to weakino+squark production processes at hadron colliders and their implementation in the framework of the POWHEG-BOX, a tool for the matching of fixed-order perturbative calculations with parton-shower programs. Particular care is taken in the subtraction of on-shell resonances in the real-emission corrections that have to be assigned to production processes of a different type. In order to illustrate the capabilities of our code, representative results are shown for selected SUSY parameter points in the pMSSM11. The perturbative stability of the calculation is assessed for the pp -> (chi) over tilde (0)(1)d(L) process. For the squark+chargino production process pp -> chi((1) over bar) (u) over tilde (L) distributions of the chargino's decay products are provided with the help of the decay feature of PYTHIA 8.
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