Browsing by Author "The CMS collaboration"
Now showing items 1-20 of 54
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Azimuthal decorrelation of jets widely separated in rapidity in pp collisions at √s = 7 TeV
The CMS collaboration; Sirunyan, A.M.; Khachatryan, V.; Baarmand, M.M.; Bhopatkar, Vallary; Noonan, D.; Colafranceschi, Stefano; Hohlmann, Marcus; Roy, Tuhin S.; Yumiceva, Francisco X. (2016-08-24)The decorrelation in the azimuthal angle between the most forward and the most backward jets (Mueller-Navelet jets) is measured in data collected in pp collisions with the CMS detector at the LHC at s=7 TeV. The measurement ... -
Charged-particle nuclear modification factors in PbPb and pPb collisions at √sNN=5.02 TeV
The CMS collaboration; Sirunyan, A.M.; Khachatryan, V.; Baarmand, M.M.; Bhopatkar, Vallary; Hohlmann, Marcus; Colafranceschi, Stefano; Noonan, D.; Roy, Tuhin S.; Yumiceva, Francisco X. (2017-04-07)The spectra of charged particles produced within the pseudorapidity window |η| < 1 at sNN=5.02 TeV are measured using 404 μb−1 of PbPb and 27.4 pb−1 of pp data collected by the CMS detector at the LHC in 2015. The spectra ... -
Decomposing transverse momentum balance contributions for quenched jets in PbPb collisions at √sNN=2.76 TeV
The CMS collaboration; Khachatryan, V.; Sirunyan, A.M.; Baarmand, M.M.; Hohlmann, Marcus; Colafranceschi, Stefano; Bhopatkar, Vallary; Noonan, D.; Roy, Tuhin S.; Yumiceva, Francisco X. (2016-11-09)Interactions between jets and the quark-gluon plasma produced in heavy ion collisions are studied via the angular distributions of summed charged-particle transverse momenta (pT) with respect to both the leading and ... -
Erratum to: Search for direct pair production of scalar top quarks in the single- and dilepton channels in proton-proton collisions at √s = 8 TeV (JHEP, (2016) 7, (027), 10.1007/JHEP07(2016)027)
The CMS collaboration; Khachatryan, V.; Sirunyan, A.M.; Baarmand, M.M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, D.; Roy, Tuhin S.; Yumiceva, Francisco X. (2016-09-12)In the original paper, the wrong plot was used in figure 6. The corrected figure is given below. (Figure presented.). © 2016, The Author(s). -
Erratum to: Search for third-generation scalar leptoquarks in the tτ channel in proton-proton collisions at √s = 8 TeV (JHEP, (2015), 7, (42), 10.1007/JHEP07(2015)042)
The CMS collaboration; Sirunyan, A.M.; Khachatryan, V.; Baarmand, M.M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Roy, Tuhin S.; Noonan, D.; Yumiceva, Francisco X. (2016-11-09)In the original paper, the wrong plot was used in figure 6. The correct figure is given below. (figure presented.). © 2016, The Author(s) -
Evidence for exclusive γγ → W+ W− production and constraints on anomalous quartic gauge couplings in pp collisions at √s = 7 and 8 TeV
The CMS collaboration; Sirunyan, A.M.; Khachatryan, V.; Baarmand, M.M.; Hohlmann, Marcus; Noonan, D.; Bhopatkar, Vallary; Roy, Tuhin S.; Colafranceschi, Stefano; Yumiceva, Francisco X. (2016-08-22)A search for exclusive or quasi-exclusive γγ → W+W− production, via pp → p(*)W+W−p(*) → p(*)μ±e∓p(*) at √s = 8 TeV, is reported using data corresponding to an integrated luminosity of 19.7 fb−1. Events are selected by ... -
Measurement and QCD analysis of double-differential inclusive jet cross sections in pp collisions at √s=8 TeV and cross section ratios to 2.76 and 7 TeV
The CMS collaboration; Khachatryan, V.; Sirunyan, A.M.; Baarmand, A.M.; Colafranceschi, Stefano; Noonan, D.; Hohlmann, Marcus; Bhopatkar, Vallary; Roy, Tuhin S.; Yumiceva, Francisco X. (2017-03-29)A measurement of the double-differential inclusive jet cross section as a function of the jet transverse momentum pT and the absolute jet rapidity |y| is presented. Data from LHC proton-proton collisions at s=8 TeV, ... -
Measurement of electroweak production of a W boson and two forward jets in proton-proton collisions at √s = 8 TeV
The CMS collaboration; Sirunyan, A.M.; Khachatryan, V.; Baarmand, M.M.; Bhopatkar, Vallary; Roy, Tuhin S.; Hohlmann, Marcus; Colafranceschi, Stefano; Noonan, D.; Yumiceva, Francisco X. (2016-11-24)A measurement is presented of the cross section for the electroweak production of a W boson in association with two jets in proton-proton collisions at a center-of-mass energy of 8 TeV. The data set was collected with the ... -
Measurement of electroweak-induced production of Wγ with two jets in pp collisions at √s=8 TeV and constraints on anomalous quartic gauge couplings
The CMS collaboration; Khachatryan, V. G.; Sirunyan, A.M.; Baarmand, M.M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Noonan, D.; Yumiceva, Francisco X.; Roy, Tuhin S.; Hohlmann, Marcus (2017-07-20)A measurement of electroweak-induced production of Wγ and two jets is performed, where the W boson decays leptonically. The data used in the analysis correspond to an integrated luminosity of 19.7 fb−1 collected by the CMS ... -
Measurement of the inclusive energy spectrum in the very forward direction in proton-proton collisions at √s=13 TeV
The CMS collaboration; Sirunyan, A.M.; Tumasyan, A.; Baarmand, M.M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, D.; Roy, Tuhin S.; Yumiceva, Francisco X. (2017-08-11)The differential cross section for inclusive particle production as a function of energy in proton-proton collisions at a center-of-mass energy of 13 TeV is measured in the very forward region of the CMS detector. The ... -
Measurement of the mass of the top quark in decays with a J/ψ meson in pp collisions at 8 TeV
The CMS collaboration; Sirunyan, A.M.; Khachatryan, V.; Baarmand, M.M.; Hohlmann, Marcus; Bhopatkar, Vallary; Colafranceschi, Stefano; Noonan, D.; Roy, Tuhin S.; Yumiceva, Francisco X. (2016-12-22)A first measurement of the top quark mass in the decay channel t → (W → ℓν) (b → J/ψ + X → μ+μ− + X) is presented. The analysis uses events selected from the proton-proton collisions recorded by the CMS detector at the LHC ... -
Measurement of the semileptonic t t ¯ + γ production cross section in pp collisions at √s=8 TeV
The CMS collaboration; Sirunyan, A. M.; Tumasyan, A. R.; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, F. (2017-10-01)A measurement of the cross section for top quark-antiquark (t t ¯) pairs produced in association with a photon in proton-proton collisions at s=8 TeV is presented. The analysis uses data collected with the CMS detector at ... -
Measurement of the t t ¯ production cross section in the eμ channel in proton-proton collisions at √s = 7 and 8 TeV
The CMS collaboration; Sirunyan, A.M.; Khachatryan, V.; Baarmand, M.M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, D.; Roy, Tuhin S.; Yumiceva, Francisco X. (2016-08-03)Abstract: The inclusive cross section for top quark pair production is measured in proton-proton collisions at s=7 and 8 TeV, corresponding to 5.0 and 19.7 fb−1, respectively, with the CMS experiment at the LHC. The cross ... -
Measurement of the transverse momentum spectra of weak vector bosons produced in proton-proton collisions at √s=8 TeV
The CMS collaboration; Khachatryan, V.; Sirunyan, A.M.; Baarmand, M.M.; Hohlmann, Marcus; Bhopatkar, Vallary; Colafranceschi, Stefano; Noonan, D.; Roy, Tuhin S.; Yumiceva, Francisco X. (2017-02-20)The transverse momentum spectra of weak vector bosons are measured in the CMS experiment at the LHC. The measurement uses a sample of proton-proton collisions at s=8 TeV, collected during a special low-luminosity running ... -
Measurement of the transverse momentum spectrum of the Higgs boson produced in pp collisions at √s=8 TeV using H → WW decays
The CMS collaboration; Sirunyan, A.M.; Tumasyan, A.; Baarmand, M.M.; Hohlmann, Marcus; Bhopatkar, Vallary; Colafranceschi, Stefano; Roy, Tuhin S.; Noonan, D.; Yumiceva, Francisco X. (2017-03-07)The cross section for Higgs boson production in pp collisions is studied using the H → W+W− decay mode, followed by leptonic decays of the W bosons to an oppositely charged electron-muon pair in the final state. The ... -
Measurements of differential production cross sections for a Z boson in association with jets in pp isions at √s=8 TeV
The CMS collaboration; Khachatryan, V.; Sirunyan, A.M.; Baarmand, M.M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, D.; Roy, Tuhin S.; Yumiceva, Francisco X. (2017-04-05)Cross sections for the production of a Z boson in association with jets in proton-proton collisions at a centre-of-mass energy of s=8 TeV are measured using a data sample collected by the CMS experiment at the LHC corresponding ... -
Measurements of jet charge with dijet events in pp collisions at √s=8 TeV
The CMS collaboration; Sirunyan, A. M.; Tumasyan, A. R.; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, F. (2017-10-01)Jet charge is an estimator of the electric charge of a quark, antiquark, or gluon initiating a jet. It is based on the momentum-weighted sum of the electric charges of the jet constituents. Measurements of three charge ... -
Measurements of properties of the Higgs boson decaying into the four-lepton final state in pp collisions at √s=13 TeV
The CMS collaboration; Sirunyan, A. M.; Tumasyan, A. R.; Baarmand, Marc M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Noonan, Daniel; Roy, Tuhin S.; Yumiceva, F. (2017-11-01)Properties of the Higgs boson are measured in the H → ZZ → 4ℓ (ℓ = e, μ) decay channel. A data sample of proton-proton collisions at s=13 TeV, collected with the CMS detector at the LHC and corresponding to an integrated ... -
Observation of Y(1S) pair production in proton-proton collisions at √s=8 TeV
The CMS collaboration; Khachatryan, V.; Sirunyan, A.M.; Baarmand, M.M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Noonan, D.; Hohlmann, Marcus; Roy, Tuhin S.; Yumiceva, Francisco X. (2017-05-03)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−1. Both Y(1S) candidates are fully ... -
Phenomenological MSSM interpretation of CMS searches in pp collisions at √s=7 and 8 TeV
The CMS collaboration; Sirunyan, A.M.; Bhopatkar, Vallary; Khachatryan, V.; Baarmand, M.M.; Colafranceschi, Stefano; Noonan, D.; Hohlmann, Marcus; Roy, Tuhin S.; Yumiceva, Francisco X. (2016-10-24)Searches for new physics by the CMS collaboration are interpreted in the framework of the phenomenological minimal supersymmetric standard model (pMSSM). The data samples used in this study were collected at s=7 and 8 TeV ...