Faculty of Engineering: Recent submissions
Now showing items 661-680 of 3117
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Development and validation of HERWIG 7 tunes from CMS underlying-event measurements
(Springer, 2021-04-12)This paper presents new sets of parameters (“tunes”) for the underlying-event model of the HERWIG7 event generator. These parameters control the description of multiple-parton interactions (MPI) and colour reconnection in ... -
MUSiC: a model-unspecific search for new physics in proton–proton collisions at √s=13TeV
(Springer, 2021-07-19)Results of the Model Unspecific Search in CMS (MUSiC), using proton–proton collision data recorded at the LHC at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 35.9fb-1, are presented. The ... -
Search for long-lived particles using displaced jets in proton-proton collisions at √s = 13 TeV
(American Physical Society, 2021-07-30)An inclusive search is presented for long-lived particles using displaced jets. The search uses a data sample collected with the CMS detector at the CERN LHC in 2017 and 2018, from proton-proton collisions at a center-of-mass ... -
Measurement of differential t¯t production cross sections in the full kinematic range using lepton + jets events from proton-proton collisions at √s = 13 TeV
(American Physical Society, 2021-11-30)Measurements of differential and double-differential cross sections of top-quark pair (tt¯) production are presented in the lepton+jets channels with a single electron or muon and jets in the final state. The analysis ... -
Probing effective field theory operators in the associated production of top quarks with a Z boson in multilepton final states at s√ = 13 TeV
(Springer, 2021-12-13)A search for new top quark interactions is performed within the framework of an effective field theory using the associated production of either one or two top quarks with a Z boson in multilepton final states. The data ... -
Search for the rare decay of the W boson into a pion and a photon in proton-proton collisions at √s = 13 TeV
(Elsevier, 2021-08-10)A search is performed for the rare decay W±→π±γ in proton-proton collisions at s=13TeV. Data corresponding to an integrated luminosity of 137fb−1 were collected during 2016 to 2018 with the CMS detector. This analysis ... -
Search for resonant and nonresonant new phenomena in high-mass dilepton final states at s√ = 13 TeV
(Springer, 2021-07-27)A search is presented for physics beyond the standard model (SM) using electron or muon pairs with high invariant mass. A data set of proton-proton collisions collected by the CMS experiment at the LHC at s = 13 TeV from ... -
Measurements of the differential cross sections of the production of Z + jets and γ + jets and of Z boson emission collinear with a jet in pp collisions at s√ = 13 TeV
(Springer, 2021-05-31)Measurements of the differential cross sections of Z + jets and γ + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angular distribution ... -
Observation of a new excited beauty strange baryon decaying to Ξb- π+π-
(American Physical Society, 2021-06-25)The Ξb-π+π- invariant mass spectrum is investigated with an event sample of proton-proton collisions at s=13 TeV, collected by the CMS experiment at the LHC in 2016-2018 and corresponding to an integrated luminosity of 140 ... -
Observation of tW production in the single-lepton channel in pp collisions at s√ = 13 TeV
(Springer, 2021-11-11)A measurement of the cross section of the associated production of a single top quark and a W boson in final states with a muon or electron and jets in proton-proton collisions at s = 13 TeV is presented. The data correspond ... -
Constraints on the initial state of Pb-Pb collisions via measurements of Z -Boson yields and azimuthal anisotropy at √ sNN = 5.02 TeV
(American Physical Society, 2021-08-31)The CMS experiment at the LHC has measured the differential cross sections of Z bosons decaying to pairs of leptons, as functions of transverse momentum and rapidity, in lead-lead collisions at a nucleon-nucleon center-of-mass ... -
The very forward CASTOR calorimeter of the CMS experiment
(IOP Publishing, 2021-02-08)The physics motivation, detector design, triggers, calibration, alignment, simulation, and overall performance of the very forward CASTOR calorimeter of the CMS experiment are reviewed. The CASTOR Cherenkov sampling ... -
Search for top squark production in fully hadronic final states in proton-proton collisions at √s = 13 TeV
(American Physical Society, 2021-09-10)A search for production of the supersymmetric partners of the top quark, top squarks, is presented. The search is based on proton-proton collision events containing multiple jets, no leptons, and large transverse momentum ... -
Measurements of the electroweak diboson production cross sections in proton-proton collisions at √s = 5.02 TeV using leptonic decays
(American Physical Society, 2021-11-02)The first measurements of diboson production cross sections in proton-proton interactions at a center-of-mass energy of 5.02 TeV are reported. They are based on data collected with the CMS detector at the LHC, corresponding ... -
Measurement of the electroweak production of Z γ and two jets in proton-proton collisions at √s = 13 TeV and constraints on anomalous quartic gauge couplings
(American Physical Society, 2021-10-05)The first observation of the electroweak (EW) production of a Z boson, a photon, and two forward jets (Zγjj) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. A data set corresponding to an ... -
Measurement of differential t¯t production cross sections using top quarks at large transverse momenta in pp collisions at √s = 13 TeV
(American Physical Society, 2021-03-19)A measurement is reported of differential top quark pair (tt¯) production cross sections, where top quarks are produced at large transverse momenta. The data collected with the CMS detector at the LHC are from pp collisions ... -
Search for a heavy vector resonance decaying to a Z boson and a Higgs boson in proton-proton collisions at √s = 13 TeV
(Springer, 2021-08-03)A search is presented for a heavy vector resonance decaying into a Z boson and the standard model Higgs boson, where the Z boson is identified through its leptonic decays to electrons, muons, or neutrinos, and the Higgs ... -
Hard color-singlet exchange in dijet events in proton-proton collisions at root √s = 13 TeV
(2021-08-26)Events where the two leading jets are separated by a pseudorapidity interval devoid of particle activity, known as jet-gap-jet events, are studied in proton-proton collisions at root s = 13 TeV. The signature is expected ... -
Precision luminosity measurement in proton–proton collisions at √s = 13 TeV in 2015 and 2016 at CMS
(Springer, 2021-09-09)The measurement of the luminosity recorded by the CMS detector installed at LHC interaction point 5, using proton–proton collisions at s=13TeV in 2015 and 2016, is reported. The absolute luminosity scale is measured for ... -
Search for chargino-neutralino production in events with Higgs and W bosons using 137 fb−1 of proton-proton collisions at s√ = 13 TeV
(Springer, 2021-10-06)A search for electroweak production of supersymmetric (SUSY) particles in final states with one lepton, a Higgs boson decaying to a pair of bottom quarks, and large missing transverse momentum is presented. The search uses ...
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