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Now showing items 41-50 of 105
Observation of Y(1S) Pair Production in Proton-Proton Collisions at √s = 8 TeV
(Springer Nature, 2017-05)
Pair production of Y(1S) mesons is observed at the LHC in proton-proton collisions at √s=8 TeV by the CMS experiment in a data sample corresponding to an integrated luminosity of 20.7 fb[superscript −1]. Both Y(1S) candidates ...
Coherent J/ ψ Photoproduction in Ultra-Peripheral PbPb Collisions at √s[subscript NN = 2.76 TeV with the CMS Experiment
(Elsevier BV, 2017-07)
The cross section for coherent J/ψ photoproduction accompanied by at least one neutron on one side of the interaction point and no neutron activity on the other side, X[subscript n]0[subscript n], is measured with the CMS ...
Search for top squark pair production in compressed-mass-spectrum scenarios in proton–proton collisions at √s = 8 TeV using the αT variable
(Elsevier BV, 2017)
© 2017 The Author An inclusive search is performed for supersymmetry in final states containing jets and an apparent imbalance in transverse momentum, p→Tmiss, due to the production of unobserved weakly interacting particles ...
Search for new phenomena with the MT2 variable in the all-hadronic final state produced in proton–proton collisions at√s = 13 TeV
(Springer Nature, 2017-10)
© 2017, CERN for the benefit of the CMS collaboration. A search for new phenomena is performed using events with jets and significant transverse momentum imbalance, as inferred through the MT 2variable. The results are ...
Measurement of prompt and nonprompt J/ψ production in pp and pPb collisions at √sNN = 5.02 TeV
(Springer Nature, 2017-04)
© 2017, CERN for the benefit of the CMS collaboration. This paper reports the measurement of J / ψ meson production in proton–proton (p p) and proton–lead (p Pb) collisions at a center-of-mass energy per nucleon pair of ...
Search for heavy resonances decaying to a top quark and a bottom quark in the lepton+jets final state in proton–proton collisions at 13 TeV
(Elsevier BV, 2017-12)
© 2017 The Author A search is presented for narrow heavy resonances decaying to a top quark and a bottom quark using data collected by the CMS experiment at s=13TeV in 2016. The data set analyzed corresponds to an integrated ...
Measurement of the tt production cross section using events in the eμ final state in pp collisions at √s = 13 TeV
(Springer Nature, 2017-03)
© 2017, CERN for the benefit of the CMS collaboration. The cross section of top quark–antiquark pair production in proton–proton collisions at s=13TeV is measured by the CMS experiment at the LHC, using data corresponding ...
Measurement of the differential inclusive B+ hadron cross sections in pp collisions at √s = 13 TeV
(Elsevier BV, 2017-05)
© 2017 The Author(s) The differential cross sections for inclusive production of B+hadrons are measured as a function of the B+transverse momentum pTBand rapidity yBin pp collisions at a centre-of-mass energy of 13 TeV, ...
Search for t ̄t resonances in highly boosted lepton+jets and fully hadronic final states in proton-proton collisions at √s = 13 TeV
(Springer Nature, 2017-07)
© 2017, The Author(s). A search for the production of heavy resonances decaying into top quark-antiquark pairs is presented. The analysis is performed in the lepton+jets and fully hadronic channels using data collected in ...
Measurements of t ̄t cross sections in association with b jets and inclusive jets and their ratio using dilepton final states in pp collisions at √s = 13 TeV
(Elsevier BV, 2017-11)
© 2017 The Author The cross sections for the production of tt¯bb¯ and tt¯jj events and their ratio σtt¯bb¯/σtt¯jjare measured using data corresponding to an integrated luminosity of 2.3 fb−1collected in pp collisions at ...