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Search for Top Squark and Higgsino Production Using Diphoton Higgs Boson Decays

Abstract: Results are presented of a search for a “natural” supersymmetry scenario with gauge mediated symmetry breaking. It is assumed that only the supersymmetric partners of the top quark (the top squark) and the Higgs boson (Higgsino) are accessible. Events are examined in which there are two photons forming a Higgs boson candidate, and at least two b-quark jets. In 19.7??fb-1 of proton-proton collision data at vs = 8??TeV, recorded in the CMS experiment, no evidence of a signal is found and lower limits at the 95% confidence level are set, excluding the top squark mass below 360 to 410 GeV, depending on the Higgsino mass.

Other publications of the same journal or congress with authors from the University of Cantabria

 Fuente: Phys. Rev. Lett. Vol. 112, Num. 16, Pag. 161802, (2014)

 Publisher: American Physical Society

 Publication date: 01/04/2014

 No. of pages: 15

 Publication type: Article

 DOI: 10.1103/PhysRevLett.112.161802

 ISSN: 0031-9007,1079-7114

 Spanish project: FPA2014-55295-C3-1-R ; FPA 2011-28694-C02-01

 Publication Url: https://doi.org/10.1103/PhysRevLett.112.161802

Authorship

CHATRCHYAN, SERGUEI

JAVIER ANDRES BROCHERO CIFUENTES

SHANHUEI CHUANG

MARCOS FERNANDEZ GARCIA

MARIA AMPARO LOPEZ VIRTO

RAFAEL JOSE MARCO DE LUCAS

FRANCISCA JAVIELA MUÑOZ SANCHEZ

ANA YAIZA RODRIGUEZ MARRERO