TY - JOUR
T1 - Multilepton signals of gauge mediated supersymmetry breaking at the LHC
AU - D'Hondt, Jorgen
AU - De Causmaecker, Karen
AU - Fuks, Benjamin
AU - Mariotti, Alberto
AU - Mawatari, Kentarou
AU - Petersson, Christoffer
AU - Redigolo, Diego
N1 - Funding Information:
The work of B.F. has been partially supported by the Theory-LHC France-initiative of the CNRS/IN2P3 and by the French ANR 12 JS05 002 01 BATS@LHC. J.D.H., K.D.C. and K.M. are supported in part by the Belgian Federal Science Policy Office through the Interuniversity Attraction Pole P7/37 and in part by the Strategic Research Program “High Energy Physics” and the Research Council of the Vrije Universiteit Brussel . K.D.C. is also partially supported by a “FWO-Vlaanderen” aspirant fellowship and acknowledges the hospitality of the CERN TH group and the support from the ERC grant 291377 “LHCtheory: Theoretical predictions and analyses of LHC physics: advancing the precision frontier”. The work of C.P. and D.R. was supported in part by IISN-Belgium (conventions 4.4511.06 , 4.4505.86 and 4.4514.08 ), by the “Communauté Française de Belgique” through the ARC program and by a “Mandat d'Impulsion Scientifique” of the F.R.S.-FNRS. C.P. is supported by the Swedish Research Council (VR) under the contract 637-2013-475 . A.M. acknowledges funding by the Durham International Junior Research Fellowship .
PY - 2014/4/4
Y1 - 2014/4/4
N2 - We investigate multilepton LHC signals arising from electroweak processes involving sleptons. We consider the framework of general gauge mediated supersymmetry breaking, focusing on models where the low mass region of the superpartner spectrum consists of the three generations of charged sleptons and the nearly massless gravitino. We demonstrate how such models can provide an explanation for the anomalous four lepton events recently observed by the CMS Collaboration, while satisfying other existing experimental constraints. The best fit to the CMS data is obtained for a selectron/smuon mass of around 145 GeV and a stau mass of around 90 GeV. These models also give rise to final states with more than four leptons, offering alternative channels in which they can be probed and we estimate the corresponding production rates at the LHC.
AB - We investigate multilepton LHC signals arising from electroweak processes involving sleptons. We consider the framework of general gauge mediated supersymmetry breaking, focusing on models where the low mass region of the superpartner spectrum consists of the three generations of charged sleptons and the nearly massless gravitino. We demonstrate how such models can provide an explanation for the anomalous four lepton events recently observed by the CMS Collaboration, while satisfying other existing experimental constraints. The best fit to the CMS data is obtained for a selectron/smuon mass of around 145 GeV and a stau mass of around 90 GeV. These models also give rise to final states with more than four leptons, offering alternative channels in which they can be probed and we estimate the corresponding production rates at the LHC.
KW - Gauge mediation
KW - Supersymmetry breaking
UR - http://www.scopus.com/inward/record.url?scp=84894327960&partnerID=8YFLogxK
U2 - 10.1016/j.physletb.2014.02.016
DO - 10.1016/j.physletb.2014.02.016
M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???
AN - SCOPUS:84894327960
SN - 0370-2693
VL - 731
SP - 7
EP - 12
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
ER -