Search for New Physics in the Multijet and Missing Transverse Momentum Final State in Proton-Proton Collisions at ?s = 8 Tev
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Karapınar, Güler
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Abstract
A search for new physics is performed in multijet events with large missing transverse momentum produced in proton-proton collisions at √s = 8 TeV using a data sample corresponding to an integrated luminosity of 19.5 fb -1 collected with the CMS detector at the LHC. The data sample is divided into three jet multiplicity categories (3-5, 6-7, and ≥8 jets), and studied further in bins of two variables: the scalar sum of jet transverse momenta and the missing transverse momentum. The observed numbers of events in various categories are consistent with backgrounds expected from standard model processes. Exclusion limits are presented for several simplified supersymmetric models of squark or gluino pair production.
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Keywords
Supersymmetry, Transverse momenta, High energy physics, Squark, transverse momentum: missing-energy, GRAND UNIFICATION, gluino: pair production, jet: transverse momentum, transverse momentum [jet], PARTICLE PHYSICS; LARGE HADRON COLLIDER; CMS, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], scattering [p p], squark: pair production, info:eu-repo/classification/ddc/530, SUPERSYMMETRY, Fisica delle particelle, 8000 GeV-cms, CMS, Physics, new physics: search for, ddc:530, BOSON, Hadron-Hadron Scattering; Supersymmetry; Nuclear and High Energy Physics, CERN LHC Coll, Hadron-Hadron Scattering; Supersymmetry;, Transverse momenta, Physique des particules élémentaires, PARTICLE PHYSICS, LHC, multiplicity [jet], Particle Physics - Experiment, cascade decay [gluino], Nuclear and High Energy Physics, p p: scattering, FOS: Physical sciences, pair production [gluino], jet: multiplicity, MASS, Supersymmetry; Hadron-Hadron Scattering, 114 Physical sciences, 530, search for [new physics], High energy physics, Hadron-Hadron Scattering, pair production [squark], Squark, hep-ex, background, 028, LARGE HADRON COLLIDER, Hadron-Hadron scattering, GRAND UNIFICATION; SQUARK; LHC; SUPERSYMMETRY; BOSON; MASS, missing-energy [transverse momentum], QC Physics / fizika, SQUARK, Supersymmetry, supersymmetry, experimental results, gluino: cascade decay
Fields of Science
01 natural sciences, 0103 physical sciences
Citation
Chatrchyan, S., Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Erö, J., ...CMS Collaboration (2014). Search for new physics in the multijet and missing transverse momentum final state in proton-proton collisions at √s = 8 TeV. Journal of High Energy Physics, 2014(6). doi:10.1007/JHEP06(2014)055
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96
Volume
2014
Issue
6
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