期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 10, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP10(2016)054
关键词
NLO Computations; Supersymmetry Phenomenology
资金
- BMBF [05H15WOCAA]
- Research Funding Program ARISTEIA
- HOCTools (European Union (European Social Fund ESF))
- Heisenberg Programme of the DFG
- Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence Origin and Structure of the Universe
- Mainz Institute for Theoretical Physics (MITP)
- HOCTools (Greek national funds through the Operational Program Education and Lifelong Learning of the National Strategic Reference Framework (NSRF))
We present predictions for the total cross sections for pair production of squarks and gluinos at the LHC including a combined NNLL resummation of soft and Coulomb gluon effects. We derive all terms in the NNLO cross section that are enhanced near the production threshold, which include contributions from spin-dependent potentials and so-called annihilation corrections. The NNLL corrections at root s = 13 TeV range from up to 20% for squark-squark production to 90% for gluino pair production relative to the NLO results and reduce the theoretical uncertainties of the perturbative calculation to the 10% level. Grid files with our numerical results are publicly available [1].
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