Supersymmetric top and bottom squark production at hadron colliders
Wim BeenakkerTheoretical High Energy Physics, IMAPP, Radboud University Nijmegen, P.O. Box 9010, NL-6500, GL Nijmegen, The NetherlandsSilja BrensingInstitut für Theoretische Teilchenphysik und Kosmologie, RWTH Aachen University, D-52056, Aachen, GermanyMichael KrämerCERN, Physics Department, Theory Unit, CH-1211, Geneva 23, SwitzerlandAnna KuleszaInstitut für Theoretische Teilchenphysik und Kosmologie, RWTH Aachen University, D-52056, Aachen, GermanyEric LaenenITF, Utrecht University, Leuvenlaan 4, 3584 CE, Utrecht, The NetherlandsIrene NiessenTheoretical High Energy Physics, IMAPP, Radboud University Nijmegen, P.O. Box 9010, NL-6500, GL Nijmegen, The Netherlands
2010en
ABI
Аннотация
The scalar partners of top and bottom quarks are expected to be the lightest squarks in supersymmetric theories, with potentially large cross sections at hadron colliders. We present predictions for the production of top and bottom squarks at the Tevatron and the LHC, including next-to-leading order corrections in supersymmetric QCD and the resummation of soft gluon emission at next-to-leading-logarithmic accuracy. We discuss the impact of the higher-order corrections on total cross sections and transverse-momentum distributions, and provide an estimate of the theoretical uncertainty due to scale variation and the parton distribution functions.
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