Artículos de revistas
Search for supersymmetry in multijet events with missing transverse momentum in proton-proton collisions at 13 TeV
Fecha
2017-08-25Registro en:
Physical Review D. College Pk: Amer Physical Soc, v. 96, n. 3, 38 p., 2017.
2470-0010
10.1103/PhysRevD.96.032003
WOS:000408349600002
WOS000408349600002.pdf
Autor
Yerevan Phys Inst
Inst Hochenergiephys
Inst Nucl Problems
Univ Antwerp
Vrije Univ Brussel
Univ Libre Bruxelles
Univ Ghent
Univ Catholic Louvain
Univ Mons
Ctr Brasileiro Pesquisas Fis
Universidade do Estado do Rio de Janeiro (UERJ)
Universidade Estadual Paulista (Unesp)
Universidade Federal do ABC (UFABC)
Bulgaria Acad Sci
Univ Sofia
Beihang Univ
Inst High Energy Phys
Peking Univ
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Inst Rudjer Boskovic
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Arab Republ Egypt
NICPB
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Institución
Resumen
A search for supersymmetry is presented based on multijet events with large missing transverse momentum produced in proton-proton collisions at a center-of-mass energy of root s = 13 TeV. The data, corresponding to an integrated luminosity of 35.9 fb(-1), were collected with the CMS detector at the CERN LHC in 2016. The analysis utilizes four-dimensional exclusive search regions defined in terms of the number of jets, the number of tagged bottom quark jets, the scalar sum of jet transverse momenta, and the magnitude of the vector sum of jet transverse momenta. No evidence for a significant excess of events is observed relative to the expectation from the standard model. Limits on the cross sections for the pair production of gluinos and squarks are derived in the context of simplified models. Assuming the lightest supersymmetric particle to be a weakly interacting neutralino, 95% confidence level lower limits on the gluino mass as large as 1800 to 1960 GeV are derived, and on the squark mass as large as 960 to 1390 GeV, depending on the production and decay scenario.