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Search for third-generation scalar leptoquarks decaying to a top quark and a ? lepton at ?s=13Te

Abstract: A search for pair production of heavy scalar leptoquarks (LQs), each decaying into a top quark and a ? lepton, is presented. The search considers final states with an electron or a muon, one or two ? leptons that decayed to hadrons, and additional jets. The data were collected in 2016 in proton-proton collisions at s=13Te with the CMS detector at the LHC, and correspond to an integrated luminosity of 35.9fb-1. No evidence for pair production of LQs is found. Assuming a branching fraction of unity for the decay LQ ? t ?, upper limits on the production cross section are set as a function of LQ mass, excluding masses below 900Ge at 95% confidence level. These results provide the most stringent limits to date on the production of scalar LQs that decay to a top quark and a ? lepton.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

Measurement of pseudorapidity distributions of charged particles in proton–proton collisions at vs = 8 TeV by the CMS and TOTEM experiments - Artículo de Revista
Studies of dijet transverse momentum balance and pseudorapidity distributions in pPb collisions at vsNN = 5.02 TeV - Artículo de Revista
Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes - Artículo de Revista
Measurement of jet multiplicity distributions in tt¯ production in pp collisions at vs = 7TeV - Artículo de Revista
Measurement of WZ and ZZ production in pp collisions at vs = 8TeV in final states with b-tagged jets - Artículo de Revista
Measurement of differential cross sections for the production of a pair of isolated photons in pp collisions at vs = 7TeV - Artículo de Revista
Study of the production of charged pions, kaons, and protons in pPb collisions at vsNN = 5.02 TeV - Artículo de Revista
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Search for heavy neutrinos and WW bosons with right-handed couplings in proton–proton collisions at vs = 8TeV - Artículo de Revista
Search for dark matter, extra dimensions, and unparticles in monojet events in proton–proton collisions at vs = 8TeV - Artículo de Revista
Measurement of top quark–antiquark pair production in association with a W or Z boson in pp collisions at vs = 8TeV - Artículo de Revista
Measurement of electroweak production of two jets in association with a Z boson in proton–proton collisions at vs = 8TeV - Artículo de Revista
Observation of the diphoton decay of the Higgs boson and measurement of its properties - Artículo de Revista
Measurement of the inclusive 3-jet production differential cross section in proton-proton collisions at 7 TeV and determination of the strong coupling constant in the TeV range - Artículo de Revista
Search for decays of stopped long-lived particles produced in proton–proton collisions at vs = 8TeV - Artículo de Revista
Search for a standard model Higgs boson produced in association with a top-quark pair and decaying to bottom quarks using a matrix element method - Artículo de Revista
Measurements of differential and double-differential Drell–Yan cross sections in proton–proton collisions at vs = 8TeV - Artículo de Revista
Nuclear effects on the transverse momentum spectra of charged particles in pPb collisions at vsNN = 5.02 TeV - Artículo de Revista
Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 TeV - Artículo de Revista
Measurement of the top-quark mass in all-jets tt¯ events in pp collisions at vs=7 TeV - Artículo de Revista
Searches for electroweak production of charginos, neutralinos, and sleptons decaying to leptons and W, Z, and Higgs bosons in pp collisions at 8 TeV - Artículo de Revista
Constraints on parton distribution functions and extraction of the strong coupling constant from the inclusive jet cross section in pp collisions at vs=7TeV - Artículo de Revista
Constraints on the pMSSM, AMSB model and on other models from the search for long-lived charged particles in proton–proton collisions at vs=8TeV - Artículo de Revista
Distributions of topological observables in inclusive three- and four-jet events in pp collisions at vs=7TeV - Artículo de Revista
Measurement of the differential cross section for top quark pair production in pp collisions at vs=8TeV - Artículo de Revista
Measurements of the ZZ production cross sections in the 2l2? channel in proton–proton collisions at vs=7 and 8 TeV and combined constraints on triple gauge couplings - Artículo de Revista
Development and validation of HERWIG 7 tunes from CMS underlying-event measurements - Artículo de Revista
Jet and underlying event properties as a function of charged-particle multiplicity in proton-proton collisions at root s = 7 TeV - Artículo de Revista
Measurement of differential top-quark-pair production cross sections in pp collisions at ?s = 7TeV - Artículo de Revista
Measurement of masses in the tt- system by kinematic endpoints in pp collisions at root s = 7 TeV - Artículo de Revista
Measurement of the ratio of the inclusive 3-jet cross section to the inclusive 2-jet cross section in pp collisions at root s = 7 TeV and first determination of the strong coupling constant in the TeV range - Artículo de Revista
Measurement of the sum of WW and WZ production with W+dijet events in pp collisions at root s = 7 TeV - Artículo de Revista
Measurement of the tt¯ production cross section in the T+jets channel in pp collisions at root s = 7 TeV - Artículo de Revista
Measurement of the W+W- cross section in pp collisions at root s = 7 TeV and limits on anomalous WWy and WWZ couplings - Artículo de Revista
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Search for physics beyond the standard model in events with T leptons, jets, and large transverse momentum imbalance in pp collisions at root s = 7 TeV - Artículo de Revista
Search for supersymmetry in hadronic final states with missing transverse energy using the variables a T and b-quark multiplicity in pp collisions at root s = 8 TeV - Artículo de Revista
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Search for top-squark pair production in the single-lepton final state in pp collisions at root s = 8 TeV - Artículo de Revista
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Centrality dependence of dihadron correlations and azimuthal anisotropy harmonics in PbPb collisions at vSNN = 2.76 Tev - Artículo de Revista
Study of the inclusive production of charged pions, kaons, and protons in pp collisions at vs = 0.9,2.76 and 7 TeV - Artículo de Revista
Forward energy flow, central charged-particle multiplicities, and pseudorapidity gaps in W and Z boson events from pp collisions at vs = 7 TeV - Artículo de Revista
Study of high-pT charged particle suppression in PbPb compared to pp collisions at ?sNN = 2.76 TeV - Artículo de Revista
Measurement of the underlying event in the Drell-Yan process in proton-proton collisions at vs = 7 TeV - Artículo de Revista
Measurement of the relative prompt production rate of ?c2 and ?c1 in pp collisions at vs = 7 TeV - Artículo de Revista
Measurement of the top-quark mass in tt¯ events with dilepton final states in pp collisions at vs=7 TeV - Artículo de Revista
Ratios of dijet production cross sections as a function of the absolute difference in rapidity between jets in proton-proton collisions at vs = 7TeV - Artículo de Revista
Prompt and non-prompt J/? production in pp collisions at ?s =7 TeV - Artículo de Revista
Measurement of the tt¯ production cross section in pp collisions at vs=7 TeV using the kinematic properties of events with leptons and jets - Artículo de Revista
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Improved determination of the sample composition of dimuon events produced in pp¯ collisions at vs=1.96 TeV - Artículo de Revista
CMS tracking performance results from early LHC operation - Artículo de Revista
First measurement of the underlying event activity at the LHC with v = 0.9 TeV - Artículo de Revista
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Comments and reply on: "Study of multi-muon events produced in pp¯ interactions at vs = 1.96 TeV"; T. Aaltonen et al. (The CDF collaboration) - Artículo de Revista
Study of multi-muon events produced in pp¯ interactions at vs = 1.96 TeV - Artículo de Revista
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Azimuthal correlations in Z +jets events in proton- proton collisions at ?s=13TeV - Artículo de Revista
CMS PYTHIA 8 colour reconnection tunes based on underlying-event data - Artículo de Revista
Measurement of the production cross section for a W boson in association with a charm quark in proton-proton collisions at s = 13 TeV - Artículo de Revista
Measurement of the mass dependence of the transverse momentum of lepton pairs in Drell–Yan production in proton–proton collisions at vs=13TeV - Artículo de Revista
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Luminosity determination using Z boson production at the CMS experiment - Artículo de Revista
Measurement of the top quark mass using a profile likelihood approach with the lepton + jets final states in proton–proton collisions at vs=13TeV - Artículo de Revista
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Measurement of the W +W - cross section in pp collisions at ?s= 8 TeVand limits on anomalous gauge couplings - Artículo de Revista
Forward?backward asymmetry of Drell?Yan lepton pairs in pp collisions at ?s = 8 TeV - Artículo de Revista
Search for lepton flavour violating decays of heavy resonances and quantum black holes to an e? pair in proton?proton collisions at ?s = 8 TeV - Artículo de Revista
Measurement of the inclusive jet cross section in pp collisions at ?s = 2.76 TeV - Artículo de Revista
Search for massive WH resonances decaying into the ??bb¯ final state at ?s = 8 TeV - Artículo de Revista
Event generator tunes obtained from underlying event and multiparton scattering measurements - Artículo de Revista
Measurement of the tt¯ production cross section in the all-jets final state in pp collisions at ?s = 8 TeV - Artículo de Revista
Measurement of differential cross sections for Higgs boson production in the diphoton decay channel in pp collisions at ?s = 8 TeV - Artículo de Revista
Search for dark matter produced in association with heavy-flavor quark pairs in proton-proton collisions at ?s=13TeV - Artículo de Revista
Measurement of the triple-differential dijet cross section in proton-proton collisions at ?s=8TeV and constraints on parton distribution functions - Artículo de Revista
Measurements of the associated production of a Z boson and b jets in pp collisions at ?s=8Te - Artículo de Revista
Search for new phenomena with the MT 2 variable in the all-hadronic final state produced in proton?proton collisions at ?s=13TeV - Artículo de Revista
Search for heavy resonances that decay into a vector boson and a Higgs boson in hadronic final states at ?s=13TeV - Artículo de Revista
Search for new phenomena with multiple charged leptons in proton?proton collisions at ?s=13TeV - Artículo de Revista
Search for physics beyond the standard model in events with two leptons of same sign, missing transverse momentum, and jets in proton?proton collisions at ?s=13TeV - Artículo de Revista
Measurement of double-differential cross sections for top quark pair production in pp collisions at ?s=8TeV and impact on parton distribution functions - Artículo de Revista
Measurement of the jet mass in highly boosted t t ¯ events from pp collisions at ?s=8TeV - Artículo de Revista
Measurement of the top quark mass using single top quark events in proton-proton collisions at ?s=8 TeV - Artículo de Revista
A search for new phenomena in pp collisions at ?s=13TeV in final states with missing transverse momentum and at least one jet using the ?T variable - Artículo de Revista
Searches for pair production of third-generation squarks in ?s=13TeV pp collisions - Artículo de Revista
Suppression and azimuthal anisotropy of prompt and nonprompt J / ? production in PbPb collisions at ?sNN=2.76TeV - Artículo de Revista
Measurement of the WZ production cross section in pp collisions at ?s=7 and 8 TeV and search for anomalous triple gauge couplings at ?s=8TeV - Artículo de Revista
Measurement of prompt and nonprompt J / ? production in p p and p Pb collisions at ?sNN=5.02TeV - Artículo de Revista
Measurement of the t t ¯ production cross section using events in the e ? final state in pp collisions at ?s=13 TeV - Artículo de Revista
Measurement of the production cross section of a W boson in association with two b jets in pp collisions at ?s=8TeV - Artículo de Revista
Measurements of the tt¯ production cross section in lepton+jets final states in pp collisions at 8 TeV and ratio of 8 to 7 TeV cross sections - Artículo de Revista
Higgs physics at the CLIC electron?positron linear collider - Artículo de Revista
Search for standard model production of four top quarks with same-sign and multilepton final states in proton?proton collisions at ?s=13TeV - Artículo de Revista
Measurements of the p p ? Z Z production cross section and the Z ? 4 ? branching fraction, and constraints on anomalous triple gauge couplings at ?s=13TeV - Artículo de Revista
Study of dijet events with a large rapidity gap between the two leading jets in pp collisions at ?s=7TeV - Artículo de Revista
Measurement of associated Z + charm production in proton?proton collisions at ?s=8TeV - Artículo de Revista
Search for new physics in events with a leptonically decaying Z boson and a large transverse momentum imbalance in proton?proton collisions at ?s = 13 TeV - Artículo de Revista
Measurement of b hadron lifetimes in pp collisions at ?s=8TeV - Artículo de Revista
Measurement of prompt and nonprompt charmonium suppression in PbPb collisions at 5.02 TeV - Artículo de Revista
Azimuthal correlations for inclusive 2-jet, 3-jet, and 4-jet events in pp collisions at ?s=13TeV - Artículo de Revista
Electroweak production of two jets in association with a Z boson in proton?proton collisions at ?s= 13 TeV - Artículo de Revista
Measurement of charged particle spectra in minimum-bias events from proton?proton collisions at ?s=13TeV - Artículo de Revista
Measurement of the weak mixing angle using the forward-backward asymmetry of Drell-Yan events in p p collisions at 8 TeV - Artículo de Revista
Measurement of the Z / ??? ?? cross section in pp collisions at ?s=13TeV and validation of ? lepton analysis techniques - Artículo de Revista
Search for new physics in dijet angular distributions using proton?proton collisions at ?s=13TeV and constraints on dark matter and other models - Artículo de Revista
Measurement of the top quark mass with lepton+jets final states using p p collisions at ?s=13TeV - Artículo de Revista
Studies of Bs2?(5840)0 and B s 1(5830) 0 mesons including the observation of the Bs2?(5840)0?B0KS0 decay in proton-proton collisions at ?s=8TeV - Artículo de Revista
Measurement of differential cross sections for Z boson production in association with jets in proton-proton collisions at ?s=13TeV - Artículo de Revista
Azimuthal separation in nearly back-to-back jet topologies in inclusive 2- and 3-jet events in pp collisions at s?=13TeV - Artículo de Revista
Combined measurements of Higgs boson couplings in proton?proton collisions at s?=13TeV - Artículo de Revista
Measurement of associated production of a W boson and a charm quark in proton-proton collisions at ?s=13TeV - Artículo de Revista
Measurement of differential cross sections for inclusive isolated-photon and photon+jet production in proton-proton collisions at ?s=13TeV - Artículo de Revista
Measurement of exclusive ?(770)0 photoproduction in ultraperipheral pPb collisions at ?sNN=5.02TeV - Artículo de Revista
Measurement of exclusive Y photoproduction from protons in pPb collisions at ?sNN=5.02TeV - Artículo de Revista
Measurement of the average very forward energy as a function of the track multiplicity at central pseudorapidities in proton-proton collisions at ?s=13TeV - Artículo de Revista
Measurement of the energy density as a function of pseudorapidity in proton?proton collisions at ?s=13TeV - Artículo de Revista
Measurement of the tt¯ production cross section, the top quark mass, and the strong coupling constant using dilepton events in pp collisions at ?s=13TeV - Artículo de Revista
Measurement of the top quark mass in the all-jets final state at ?s=13TeV and combination with the lepton+jets channel - Artículo de Revista
Measurements of triple-differential cross sections for inclusive isolated-photon+jet events in pppp collisions at ?s=8TeV - Artículo de Revista
Search for a heavy pseudoscalar boson decaying to a Z and a Higgs boson at ?s=13TeV - Artículo de Revista
Search for a heavy resonance decaying to a top quark and a vector-like top quark in the lepton + jets final state in pp collisions at ?s=13TeV - Artículo de Revista
Search for dark matter produced in association with a Higgs boson decaying to a pair of bottom quarks in proton?proton collisions at ?s=13TeV - Artículo de Revista
Search for new physics in top quark production in dilepton final states in proton-proton collisions at ?s=13 TeV - Artículo de Revista
Search for rare decays of Z and Higgs bosons to J/? and a photon in proton-proton collisions at ?s = 13TeV - Artículo de Revista
Search for resonant production of second-generation sleptons with same-sign dimuon events in proton-proton collisions at ?s=13 TeV - Artículo de Revista
Search for single production of vector-like quarks decaying to a top quark and a W boson in proton-proton collisions at ?s = 13 TeV - Artículo de Revista
Search for supersymmetry in events with a photon, jets, b-jets, and missing transverse momentum in proton-proton collisions at 13 TeV - Artículo de Revista
Search for vector-like quarks in events with two oppositely charged leptons and jets in proton-proton collisions at ?s = 13 TeV - Artículo de Revista
Study of the underlying event in top quark pair production in pp collisions at 13 TeV - Artículo de Revista
A multi-dimensional search for new heavy resonances decaying to boosted W W , W Z , or Z Z boson pairs in the dijet final state at 13 TeV - Artículo de Revista
Study of central exclusive ?+ ?- production in proton-proton collisions at ?s = 5.02 and 13TeV - Artículo de Revista
Search for direct pair production of supersymmetric partners to the ? lepton in proton?proton collisions at ?s=13TeV - Artículo de Revista
Search for production of four top quarks in final states with same-sign or multiple leptons in proton?proton collisions at ?s=13TeV - Artículo de Revista
Measurement of electroweak production of a W boson in association with two jets in proton-proton collisions at ?s=13Tev - Artículo de Revista
Extraction and validation of a new set of CMS PYTHIA8 tunes from underlying-event measurements - Artículo de Revista
Searches for physics beyond the standard model with the MT 2 variable in hadronic final states with and without disappearing tracks in proton-proton collisions at ?s=13Te - Artículo de Revista
Evidence for WW production from double-parton interactions in proton-proton collisions at ?s=13TeV - Artículo de Revista
Search for physics beyond the standard model in events with jets and two same-sign or at least three charged leptons in proton-proton collisions at ?s = 13 TeV - Artículo de Revista
Measurement of differential cross sections and charge ratios for t-channel single top quark production in proton?proton collisions at ?s=13TeV - Artículo de Revista
Measurement of t t ¯ normalised multi-differential cross sections in pp collisions at ?s=13TeV , and simultaneous determination of the strong coupling strength, top quark pole mass, and parton distribution functions - Artículo de Revista

Fuente: European Physical Journal C, Vol. 78, Iss. 9, Art. Num. 707

Editorial: Springer New York LLC

Fecha de publicación: 03/09/2018

Nº de páginas: 26

Tipo de publicación: Artículo de Revista

DOI: 10.1140/epjc/s10052-018-6143-z

ISSN: 1434-6044,1434-6052

Url de la publicación: https://doi.org/10.1140/epjc/s10052-018-6143-z

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Autoría

SIRUNYAN, A. M.

JOSE IBAN CABRILLO BARTOLOME

ALICIA CALDERON TAZON

BARBARA CHAZIN QUERO

JORGE DUARTE CAMPDERROS

MARCOS FERNANDEZ GARCIA

PEDRO JOSE FERNANDEZ MANTECA

ANDREA GARCIA ALONSO

JUAN GARCIA FERRERO

GERVASIO GOMEZ GRAMUGLIO

MARIA AMPARO LOPEZ VIRTO

JESUS MARCO DE LUCAS

CELSO MARTINEZ RIVERO

PABLO MARTINEZ RUIZ DEL ARBOL

FRANCISCO MATORRAS WEINIG

JONATAN PIEDRA GOMEZ

CEDRIC GERALD PRIEELS

MARIA TERESA RODRIGO ANORO

ALBERTO RUIZ JIMENO

LUCA SCODELLARO

NICOLO TREVISANI

IVAN VILA ALVAREZ

ROCIO VILAR CORTABITARTE

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