Revisiting slepton pair production at the Large Hadron Collider

被引:71
|
作者
Fuks, Benjamin [1 ,2 ]
Klasen, Michael [3 ]
Lamprea, David R. [3 ]
Rothering, Marcel [3 ]
机构
[1] CERN, Div Theory, Dept Phys, CH-1211 Geneva 23, Switzerland
[2] Univ Strasbourg, CNRS, IN2P3, Inst Pluridisciplinaire Hubert Curien,Dept Rech S, F-67037 Strasbourg, France
[3] Univ Munster, Inst Theoret Phys, D-48149 Munster, Germany
来源
关键词
Supersymmetry Phenomenology; NLO Computations; THRESHOLD RESUMMATION; PARTON DISTRIBUTIONS; JOINT RESUMMATION; QUARK PRODUCTION; SUPERSYMMETRY; NEUTRALINO; SEARCH; SERIES;
D O I
10.1007/JHEP01(2014)168
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
Motivated by the shift in experimental attention towards electroweak super-symmetric particle production at the CERN LHC, we update in this paper our precision predictions at next-to-leading order of perturbative QCD matched to resummation at the next-to-leading logarithmic accuracy for direct slepton pair production in proton-proton collisions. Simplified models, now commonly adopted by the experimental collaborations for selectrons and smuons as well as mixing staus, are used as benchmarks for total cross sections at achieved and future center-of-mass energies. They are presented together with the corresponding scale and parton density uncertainties in graphical and tabular form for future reference. Using modern Monte Carlo techniques, we also reanalyze recent ATLAS and CMS slepton searches in light of our precision cross sections and for various assumptions on the decomposition of the sleptons and their neutralino decay products.
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页数:33
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