Browsing Natural and Mathematical Sciences by Issue Date
Now showing items 241-260 of 1083
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Study of vector boson scattering and search for new physics in events with two same-sign leptons and two jets
(American Physical Society, 2015-02-06)A study of vector boson scattering in pp collisions at a center-of-mass energy of 8 TeV is presented. The data sample corresponds to an integrated luminosity of 19.4 fb−1 collected with the CMS detector. Candidate events ... -
Search for displaced supersymmetry in events with an electron and a muon with large impact parameters
(American Physical Society, 2015-02-13)A search for new long-lived particles decaying to leptons is presented using proton-proton collisions produced by the LHC at s√=8 TeV. Data used for the analysis were collected by the CMS detector and correspond to an ... -
Study of Z production in PbPb and pp collisions at (Formula presented.) TeV in the dimuon and dielectron decay channels
(Springer International Publishing, 2015-03)The production of Z bosons is studied in the dimuon and dielectron decay channels in PbPb and pp collisions at sNN−−−−√=2.76sNN=2.76 TeV, using data collected by the CMS experiment at the LHC. The PbPb data sample ... -
Search for supersymmetry using razor variables in events with b-tagged jets in pp collisions at root s=8 TeV
(2015-03-01)An inclusive search for supersymmetry in events with at least one b-tagged jet is performed using proton-proton collision data collected by the CMS experiment in 2012 at a center-of-mass energy of 8 TeV. The data set size ... -
Measurements of jet multiplicity and differential production cross sections of Z plus jets events in proton-proton collisions at root s=7 TeV
(American Physical Society, 2015-03-01)Measurements of differential cross sections are presented for the production of a Z boson and at least one hadronic jet in proton-proton collisions at s√=7 TeV, recorded by the CMS detector, using a data sample corresponding ... -
Search for long-lived particles that decay into final states containing two electrons or two muons in proton-proton collisions at root s=8Tev
(American Physical Society, 2015-03-01)A search is performed for long-lived particles that decay into final states that include a pair of electrons or a pair of muons. The experimental signature is a distinctive topology consisting of a pair of charged leptons ... -
Search for resonances and quantum black holes using dijet mass spectra in proton-proton collisions at root s=8 TeV
(American Physical Society, 2015-03-01)A search for resonances and quantum black holes is performed using the dijet mass spectra measured in proton-proton collisions at s√=8 TeV with the CMS detector at the LHC. The data set corresponds to an integrated ... -
Long-range two-particle correlations of strange hadrons with charged particles in pPb and PbPb collisions at LHC energies
(Elsevier, 2015-03-06)Measurements of two-particle angular correlations between an identified strange hadron (View the MathML source or View the MathML source) and a charged particle, emitted in pPb collisions, are presented over a wide range ... -
Search for monotop signatures in proton-proton collisions at root s=8 TeV
(American Physical Society, 2015-03-13)Results are presented from a search for new decaying massive particles whose presence is inferred from an imbalance in transverse momentum and which are produced in association with a single top quark that decays into a ... -
Search for physics beyond the standard model in dilepton mass spectra in proton-proton collisions at root s=8 TeV
(Elsevier, 2015-04)Dimuon and dielectron mass spectra, obtained from data resulting from proton-proton collisions at 8 TeV and recorded by the CMS experiment, are used to search for both narrow resonances and broad deviations from standard ... -
Search for decays of stopped long-lived particles produced in proton-proton collisions at root s=8TeV
(Springer Nature, 2015-04)A search has been performed for long-lived particles that could have come to rest within the CMS detector, using the time intervals between LHC beam crossings. The existence of such particles could be deduced from observation ... -
Measurement of the Zγ production cross section in pp collisions at 8 TeV and search for anomalous triple gauge boson couplings
(Springer International Publishing, 2015-04)The cross section for the production of Zγ in proton-proton collisions at 8 TeV is measured based on data collected by the CMS experiment at the LHC corresponding to an integrated luminosity of 19.5 fb−1. Events with an ... -
Measurements of differential and double-differential Drell-Yan cross sections in proton-proton collisions at root s=8 TeV
(Springer Nature, 2015-04)Measurements of the differential and double-differential Drell–Yan cross sections in the dielectron and dimuon channels are presented. They are based on proton–proton collision data at s√=8TeVs=8TeV recorded with the CMS ... -
Search for physics beyond the standard model in events with two leptons, jets, and missing transverse momentum in pp collisions at √S= 8 TeV
(Springer International Publishing, 2015-04)A search is presented for physics beyond the standard model in final states with two opposite-sign same-flavor leptons, jets, and missing transverse momentum. The data sample corresponds to an integrated luminosity of 19.4 ... -
Measurement of the production cross section ratio σ(χ<inf>b2</inf>(1P))/σ(χ<inf>b1</inf>(1P)) in pp collisions at s=8TeV
(Elsevier, 2015-04-09)A measurement of the production cross section ratio σ(χb2(1P))/σ(χb1(1P)) is presented. The χb1(1P) and χb2(1P) bottomonium states, promptly produced in pp collisions at View the MathML source, are detected by the CMS ... -
Search for stealth supersymmetry in events with jets, either photons or leptons, and low missing transverse momentum in pp collisions at 8 TeV
(Elsevier, 2015-04-09)The results of a search for new physics in final states with jets, either photons or leptons, and low missing transverse momentum are reported. The study is based on a sample of proton–proton collisions collected at a ... -
Searches for supersymmetry using the MT2 variable in hadronic events produced in pp collisions at 8 TeV
(Springer Science+Business Media, 2015-05)Searches for supersymmetry (SUSY) are performed using a sample of hadronic events produced in 8 TeV pp collisions at the CERN LHC. The searches are based on the M T2 variable, which is a measure of the transverse momentum ... -
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
(Springer Nature, 2015-05)This paper presents a measurement of the inclusive 3-jet production differential cross section at a proton–proton centre-of-mass energy of 7 TeV using data corresponding to an integrated luminosity of 5 fb−1fb−1 collected ... -
Search for dark matter, extra dimensions, and unparticles in monojet events in proton-proton collisions at root s=8TeV
(Springer Nature, 2015-05)Results are presented from a search for particle dark matter (DM), extra dimensions, and unparticles using events containing a jet and an imbalance in transverse momentum. The data were collected by the CMS detector in ... -
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
(Springer Nature, 2015-05)Properties of the Higgs boson with mass near 125GeV are measured in proton-proton collisions with the CMS experiment at the LHC. Comprehensive sets of production and decay measurements are combined. The decay channels ...
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