Güncel Gönderiler: Fizik Bölümü
Toplam kayıt 1178, listelenen: 121-140
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Search for disappearing tracks in proton-proton collisions at TeV.
(Springer Verlag, 2015)Abstract: A search is presented for long-lived charged particles that decay within the CMS detector and produce the signature of a disappearing track. Disappearing tracks are identified as those with little or no associated ... -
Measurement of the W boson helicity in events with a single reconstructed top quark in pp collisions at ?s = 8 TeV
(Springer Verlag, 2015)A measurement of the W boson helicity is presented, where the W boson originates from the decay of a top quark produced in pp collisions. The event selection, optimized for reconstructing a single top quark in the final ... -
Measurement of the ratio of the production cross sections times branching fractions of Bc±? J/??± and B± ? J/?K± and (Formula presented.) in pp collisions at (Formula presented.) TeV
(Springer Verlag, 2015)The ratio of the production cross sections times branching fractions (Formula presented.)(Formula presented.) is studied in proton-proton collisions at a center-of-mass energy of 7 TeV with the CMS detector at the LHC. The ... -
Performance of electron reconstruction and selection with the CMS detector in proton-proton collisions at ?s = 8 TeV
(Institute of Physics Publishing, 2015)The performance and strategies used in electron reconstruction and selection at CMS are presented based on data corresponding to an integrated luminosity of 19.7 fb-1, collected in proton-proton collisions at ?s = 8 TeV ... -
Searches for supersymmetry using the MT2 variable in hadronic events produced in pp collisions at 8 TeV
(Springer Verlag, 2015)Abstract: 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 MT2 variable, which is a measure of the transverse ... -
Search for a standard model-like Higgs boson in the ?+?? and e+e? decay channels at the LHC
(Elsevier B.V., 2015)A search is presented for a standard model-like Higgs boson decaying to the ?+?? or e+e? final states based on proton–proton collisions recorded by the CMS experiment at the CERN LHC. The data correspond to integrated ... -
Searches for supersymmetry based on events with b jets and four W bosons in pp collisions at 8 TeV
(Elsevier B.V., 2015)Five mutually exclusive searches for supersymmetry are presented based on events in which b jets and four W bosons are produced in proton–proton collisions at s=8 TeV. The data, corresponding to an integrated luminosity ... -
Measurement of the Z? production cross section in pp collisions at 8 TeV and search for anomalous triple gauge boson couplings
(Springer Verlag, 2015)Abstract: The cross section for the production of Z? 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 ... -
Search for stealth supersymmetry in events with jets, either photons or leptons, and low missing transverse momentum in pp collisions at 8 TeV
(Elsevier B.V., 2015)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 ... -
Observation of the rare B0s??+?- decay from the combined analysis of CMS and LHCb data
(Nature Publishing Group, 2015)The standard model of particle physics describes the fundamental particles and their interactions via the strong, electromagnetic and weak forces. It provides precise predictions for measurable quantities that can be tested ... -
Search for vector-like T quarks decaying to top quarks and Higgs bosons in the all-hadronic channel using jet substructure
(Springer Verlag, 2015)Abstract: A search is performed for a vector-like heavy T quark that is produced in pairs and that decays to a top quark and a Higgs boson. The data analysed correspond to an integrated luminosity of 19.7 fb?1 collected ... -
Search for the production of dark matter in association with top-quark pairs in the single-lepton final state in proton-proton collisions at ?S= 8TeV
(Springer Verlag, 2015)A search is presented for particle dark matter produced in association with a pair of top quarks in pp collisions at a centre-of-mass energy of ?S= 8TeV. The data were collected with the CMS detector at the LHC and correspond ... -
Performance of photon reconstruction and identification with the CMS detector in proton-proton collisions at s = 8 TeV
(Institute of Physics Publishing, 2015)A description is provided of the performance of the CMS detector for photon reconstruction and identification in proton-proton collisions at a centre-of-mass energy of 8 TeV at the CERN LHC. Details are given on the ... -
Search for heavy Majorana neutrinos in ?±?± + jets events in proton-proton collisions at s=8 TeV
(Elsevier B.V., 2015)A search is performed for heavy Majorana neutrinos (N) using an event signature defined by two muons of the same charge and two jets (?±?±jj). The data correspond to an integrated luminosity of 19.7 fb-1 of proton-proton ... -
Search for quark contact interactions and extra spatial dimensions using dijet angular distributions in proton–proton collisions at s=8 TeV
(Elsevier B.V., 2015)A search is presented for quark contact interactions and extra spatial dimensions in proton–proton collisions at s=8 TeV using dijet angular distributions. The search is based on a data set corresponding to an integrated ... -
Search for pair-produced resonances decaying to jet pairs in proton–proton collisions at s=8 TeV
(Elsevier B.V., 2015)Results are reported of a general search for pair production of heavy resonances decaying to pairs of hadronic jets in events with at least four jets. The study is based on up to 19.4 fb?1 of integrated luminosity from ... -
Search for lepton-flavour-violating decays of the Higgs boson
(Elsevier B.V., 2015)The first direct search for lepton-flavour-violating decays of the recently discovered Higgs boson (H) is described. The search is performed in the H???e and H???h channels, where ?e and ?h are tau leptons reconstructed ... -
Search for narrow high-mass resonances in proton–proton collisions at s=8 TeV decaying to a Z and a Higgs boson
(Elsevier B.V., 2015)A search for a narrow, high-mass resonance decaying into Z and Higgs (H) bosons is presented. The final state studied consists of a merged jet pair and a ? pair resulting from the decays of Z and H bosons, respectively. ... -
Search for neutral color-octet weak-triplet scalar particles in proton-proton collisions at ?s= 8TeV
(Springer Verlag, 2015)Abstract: A search for pair production of neutral color-octet weak-triplet scalar particles (?0) is performed in processes where one ?0 decays to a pair of b quark jets and the other to a Z boson plus a jet, with the Z ... -
Measurements of the ?(1S), ?(2S), and ?(3S) differential cross sections in pp collisions at s=7TeV
(Elsevier B.V., 2015)Differential cross sections as a function of transverse momentum pT are presented for the production of ?(nS) (n = 1, 2, 3) states decaying into a pair of muons. Data corresponding to an integrated luminosity of 4.9fb?1 ...