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Search for new physics with the M T2 variable in all-jets final states produced in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV

Name: Search for new physics with the M T2 variable in all-jets final states produced in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV
Keywords: Compact Muon Solenoid, Standard Model, transverse momentum: missing-energy, 550, final state: ((n)jet), mass: lower limit [gluino], stability [neutralino], 13000 GeV-cms, decay [gluino], INVARIANT

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Preprint , Journal 01 Oct 2016Embargo end date: 01 Jan 2016 Switzerland, United States, Hungary, United Kingdom, France, Greece, United Kingdom, Croatia, United States, Croatia, Turkey, France, Turkey, Turkey, Turkey, Belarus, Switzerland, Brazil, Italy, Germany, United Kingdom, Germany, Switzerland, France, Belgium, United States, Belgium, Turkey, Turkey, United Kingdom, Germany, United Kingdom, Germany, Turkey, Spain, Hungary, Belgium, Belgium, United Kingdom, Turkey, United States, United States, Belarus, Turkey, Belgium, Spain, France, France Publisher:Springer Science and Business Media LLCJournal:Journal of High Energy Physics, volume 2,016 (eissn: 1029-8479,

Authors: Khachatryan, V; Sirunyan, AM; Tumasyan, A; Adam, W;

Asilar, E; Bergauer, T; Brandstetter, J; +193 Authors

doi: 10.1007/jhep10(2016)006 , 10.48550/arxiv.1603.04053 , 10.18154/rwth-2016-08738 , 10.3929/ethz-b-000121660 , 10.5167/uzh-130207 , 10.5445/ir/1000060831

arXiv: 1603.04053 , http://arxiv.org/abs/1603.04053

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Search for new physics with the M T2 variable in all-jets final states produced in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV

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Abstract

A search for new physics is performed using events that contain one or more jets, no isolated leptons, and a large transverse momentum imbalance, as measured through the MT2 variable, which is an extension of the transverse mass in events with two invisible particles. The results are based on a sample of proton-proton collisions collected at a center-of-mass energy of 13 TeV with the CMS detector at the LHC, and that corresponds to an integrated luminosity of 2.3 inverse femtobarns. The observed event yields in the data are consistent with predictions for the standard model backgrounds. The results are interpreted using simplified models of supersymmetry and are expressed in terms of limits on the masses of potential new colored particles. Assuming that the lightest neutralino is stable and has a mass less than about 500 GeV, gluino masses up to 1550-1750 GeV are excluded at 95% confidence level, depending on the gluino decay mechanism. For the scenario of direct production of squark-antisquark pairs, top squarks with masses up to 800 GeV are excluded, assuming a 100% branching fraction for the decay to a top quark and neutralino. Similarly, bottom squark masses are excluded up to 880 GeV, and masses of light-flavor squarks are excluded up to 600-1260 GeV, depending on the degree of degeneracy of the squark masses.

Replaced with published version. Added the journal reference and DOI. All figures and tables, including supplemental figures and tables, can be at http://cms-results.web.cern.ch/cms-results/public-results/publications/SUS-15-003/index.html

Countries

Switzerland, United States, Hungary, United Kingdom, France, Greece, United Kingdom, Croatia, United States, Croatia, Turkey, France, Turkey, Turkey, Turkey, Belarus, Switzerland, Brazil, Italy, Germany, United Kingdom, Germany, Switzerland, France, Belgium, United States, Belgium, Turkey, Turkey, United Kingdom, Germany, United Kingdom, Germany, Turkey, Spain, Hungary, Belgium, Belgium, United Kingdom, Turkey, United States, United States, Belarus, Turkey, Belgium, Spain, France, France

Related Organizations

Boston College
United States
Florida State University
United States
National Research University of Electronic Technology
Russian Federation
University of Delhi
India
University of Notre Dame
United States

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Keywords

Compact Muon Solenoid, Standard Model, transverse momentum: missing-energy, 550, final state: ((n)jet), mass: lower limit [gluino], stability [neutralino], 13000 GeV-cms, decay [gluino], INVARIANT, Physics, Particles & Fields, Hadron-hadron scattering (experiments), Hadron-Hadron scattering (experiments), scattering [p p], sbottom: mass: lower limit, info:eu-repo/classification/ddc/530, colored particle, Physics, ddc:530, SUPERGAUGE TRANSFORMATIONS, CERN LHC Coll, Physical Sciences, Physique des particules élémentaires, High energy physics, Experimental particle physics, LHC, CMS, Standard Model, PARTICLE PHYSICS, colliding beams [p p], gluino: decay, EXTENSION, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Particles & Fields, squark: direct production, Physics Institute, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], ((n)jet) [final state], neutralino: stability, 01 Mathematical Sciences, Science & Technology, pair production [squark], PARTICLE PHYSICS;LARGE HADRON COLLIDER;CMS, LARGE HADRON COLLIDER, Hadron-Hadron scattering, SQUARK, Supersymmetry, NEUTRINO, Experimental particle physics, p p: colliding beams, stop: branching ratio, Large Hadron Collider (LHC), High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), branching ratio [stop], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], stop: mass: lower limit, HADRON COLLIDERS, squark: pair production, mass: lower limit [squark], Fisica delle particelle, 02 Physical Sciences, CMS, mass: transverse, new physics: search for, Settore FIS/01 - Fisica Sperimentale, 001, Nuclear & Particles Physics, 520, mass: lower limit [stop], Hadron-Hadron Scattering (Experiments), Q1 Science (General) / természettudomány általában, Hadron-Hadron scattering (experiments); Supersymmetry; Nuclear and High Energy Physics, MEASURING MASSES, MISSING ENERGY, Hadron-Hadron scattering (experiments); Supersymmetry; HADRON COLLIDERS; SUPERGAUGE TRANSFORMATIONS; GLUINO PRODUCTION; MEASURING MASSES; MISSING ENERGY; SQUARK; MODEL; EXTENSION; INVARIANT; NEUTRINO, LHC, Hadron-Hadron scattering (experiments); supersymmetry; nuclear and high energy physics, Hadron-Hadron scattering (experiments); Supersymmetry, Nuclear and High Energy Physics, 530 Physics, FOS: Physical sciences, 530, search for [new physics], mass: lower limit [sbottom], GLUINO PRODUCTION, High energy physics, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, Hadron-Hadron scattering (experiments); Supersymmetry;, hep-ex, background, 940, Física, direct production [squark], MODEL, squark: mass: lower limit, Physics and Astronomy, transverse [mass], missing-energy [transverse momentum], supersymmetry, gluino: mass: lower limit, experimental results, ddc: ddc:530

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