INVESTIGADORES
MONTICELLI Fernando Gabriel
artículos
Título:
Search for gluinos in events with two same-sign leptons, jets and missing transverse momentum with the ATLAS detector in pp collisions at √s = 7 TeV
Autor/es:
ATLAS COLLABORATION, G. AAD, F. MONTICELLI, ET AL
Revista:
PHYSICAL REVIEW LETTERS
Editorial:
AMER PHYSICAL SOC
Referencias:
Lugar: New York; Año: 2012 vol. 213 p. 1 - 23
ISSN:
0031-9007
Resumen:
A search is presented for gluinos decaying via the supersymmetric
partner of the top quark using events with two same-sign leptons, jets
and missing transverse momentum. The analysis is performed with 2.05
fb^-1 of integrated luminosity from pp collisions at sqrt(s) = 7 TeV
collected by the ATLAS detector at the LHC. No excess beyond the
Standard Model expectation is observed and exclusion limits are derived
for simplified models where the gluino decays via the supersymmetric
partner of the top quark and in the MSUGRA/CMSSM framework. In those
scenarios, gluino masses below 550 GeV are excluded at 95% CL within the
parameter space considered, significantly extending the coverage with
respect to existing limits. Depending on the model parameters, gluino
masses up to 750 GeV can also be excluded at 95% CL.