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Measurement of electroweak production of two jets in association with a Z boson in proton–proton collisions at vs = 8TeV

Abstract: The purely electroweak (EW) cross section for the production of two jets in association with a Z boson, in proton–proton collisions at vs = 8TeV, is measured using data recorded by the CMS experiment at the CERN LHC, corresponding to an integrated luminosity of 19.7 fb-1. The electroweak cross section for the lljj final state (with l=e or µ and j representing the quarks produced in the hard interaction) in the kinematic region defined by Mll>50 GeV, Mjj>120 GeV, transverse momentum pTj>25 GeV, and pseudorapidity |?j|<5, is found to be sEW(lljj)=174±15(stat)±40(syst)\,fb, in agreement with the standard model prediction. The associated jet activity of the selected events is studied, in particular in a signal-enriched region of phase space, and the measurements are found to be in agreement with QCD predictions.

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

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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
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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
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Measurement of the underlying event in the Drell-Yan process in proton-proton collisions at vs = 7 TeV - Artículo de Revista
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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
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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
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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
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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
Search for third-generation scalar leptoquarks decaying to a top quark and a ? lepton at ?s=13Te - 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
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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. 75, Num. 2, Art. Num. 66, (2015)

Editorial: Springer New York LLC

Fecha de publicación: 01/02/2015

Nº de páginas: 35

Tipo de publicación: Artículo de Revista

DOI: 10.1140/epjc/s10052-014-3232-5

ISSN: 1434-6044,1434-6052

Proyecto español: FPA2014-55295-C3-1-R ; FPA 2011-28694-C02-01

Url de la publicación: https://doi.org/10.1140/epjc/s10052-014-3232-5

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Autoría

KHACHATRYAN, VLADIMIR

JAVIER ANDRES BROCHERO CIFUENTES

JOSE IBAN CABRILLO BARTOLOME

ALICIA CALDERON TAZON

JORGE DUARTE CAMPDERROS

MARCOS FERNANDEZ GARCIA

GERVASIO GOMEZ GRAMUGLIO

ALBERTO GRAZIANO

MARIA AMPARO LOPEZ VIRTO

JESUS MARCO DE LUCAS

RAFAEL JOSE MARCO DE LUCAS

CELSO MARTINEZ RIVERO

FRANCISCO MATORRAS WEINIG

FRANCISCA JAVIELA MUÑOZ SANCHEZ

JONATAN PIEDRA GOMEZ

MARIA TERESA RODRIGO ANORO

ANA YAIZA RODRIGUEZ MARRERO

ALBERTO RUIZ JIMENO

LUCA SCODELLARO

IVAN VILA ALVAREZ

ROCIO VILAR CORTABITARTE

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