Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 3, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP03(2014)066
Keywords
QCD Phenomenology; Supersymmetry Phenomenology
Categories
Funding
- PSC-CUNY [65214-00-43, 66590-00-44]
- National Science Foundation [PHY-1068317]
- ERC [EFT4LHC, 291377]
- German Research Foundation (DFG) [NE 398/3-1]
- German Federal Ministry for Education and Research (BMBF) [05H12UME]
- Rhineland-Palatinate Research Center Elementary Forces and Mathematical Foundations
- MIUR (Italy) [2006020509 004, 2010YJ2NYW 006]
- Research Executive Agency (REA) of the European Union, through the Initial Training Network LHCPhenoNet [PITN-GA-2010-264564]
- National Natural Science Foundation of China [11345001]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1068317] Funding Source: National Science Foundation
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If supersymmetry near the TeV scale is realized in Nature, the pair production of scalar top squarks is expected to be observable at the Large Hadron Collider. Recently, effective field-theory methods were employed to obtain approximate predictions for the cross section for this process, which include soft-gluon emission effects up to next-to-next-to-leading order (NNLO) in perturbation theory. In this work we employ the same techniques to resum soft-gluon emission effects to all orders in perturbation theory and with next-to-next-to-logarithmic (NNLL) accuracy. We analyze the effects of NNLL resummation on the stop-pair production cross section by obtaining NLO + NNLL predictions in pair invariant mass and one-particle inclusive kinematics. We compare the results of these calculations to the approximate NNLO predictions for the cross sections.
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