Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-08-07
JHEP0810:100,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
Some typos are fixed and references are updated
Scientific paper
10.1088/1126-6708/2008/10/100
The ATLAS and CMS experiments at the Large Hadron Collider (LHC) may discover the squarks (\tilde{q}) and gluino (\tilde{g}) of the minimal supersymmetric standard model (MSSM) in the early stage of the experiments if their masses are lighter than 1.5 TeV. In this paper we propose the sub-system m_{T2} variable, which is sensitive to the gluino mass when m_{\tilde{q}}>m_{\tilde{g}}. Using it with the inclusive m_{T2} distribution proposed earlier, \tilde{q} and \tilde{g} masses can be determined simultaneously in the early stage of the experiments. Results of Monte Carlo simulations at sample MSSM model points are presented both for signal and background.
Nojiri Mihoko M.
Sakurai Kazuki
Shimizu Yasuhiro
Takeuchi Michihisa
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