Search
Results
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Search for associated production of a Z boson with a single top quark and for tZ flavour-changing interactions in pp collisions at s√=8 TeV
(2017)Journal of High Energy PhysicsA search for the production of a single top quark in association with a Z boson is presented, both to identify the expected standard model process and to search for flavour-changing neutral current interactions. The data sample corresponds to an integrated luminosity of 19.7 fb−1 recorded by the CMS experiment at the LHC in proton-proton collisions at s√=8 TeV. Final states with three leptons (electrons or muons) and at least one jet are ...Journal Article -
Search for new physics with dijet angular distributions in proton-proton collisions at √s=13 TeV
(2017)Journal of High Energy PhysicsA search is presented for extra spatial dimensions, quantum black holes, and quark contact interactions in measurements of dijet angular distributions in proton-proton collisions at s√=13 TeV. The data were collected with the CMS detector at the LHC and correspond to an integrated luminosity of 2.6 fb−1. The distributions are found to be in agreement with predictions from perturbative quantum chromodynamics that include electroweak ...Journal Article -
Search for third-generation scalar leptoquarks and heavy right-handed neutrinos in final states with two tau leptons and two jets in proton-proton collisions at s√=13 TeV
(2017)Journal of High Energy PhysicsA search is performed for third-generation scalar leptoquarks and heavy right-handed neutrinos in events containing one electron or muon, one hadronically decaying τ lepton, and at least two jets, using a s√=13 TeV pp collision data sample corresponding to an integrated luminosity of 12.9 fb-1 collected with the CMS detector at the LHC in 2016. The number of observed events is found to be in agreement with the standard model prediction. ...Journal Article -
Search for supersymmetry in events with photons and missing transverse energy in pp collisions at 13 TeV
(2017)Physics Letters BThe results of a search for new physics in final states with photons and missing transverse energy are reported. The study is based on a sample of proton–proton collisions collected at a center-of-mass energy of 13 TeV with the CMS detector in 2015, corresponding to an integrated luminosity of 2.3 fb−1. Final states with two photons and significant missing transverse energy are used to search for supersymmetric particles in models of ...Journal Article -
Search for dijet resonances in proton-proton collisions at √s= 13 TeV and constraints on dark matter and other models
(2017)Physics Letters BA search is presented for narrow resonances decaying to dijet final states in proton–proton collisions at √s= 13 TeV using data corresponding to an integrated luminosity of 12.9 fb−1. The dijet mass spectrum is well described by a smooth parameterization and no significant evidence for the production of new particles is observed. Upper limits at 95% confidence level are reported on the production cross section for narrow resonances with ...Journal Article -
Measurement of electroweak-induced production of Wγ with two jets in pp collisions at s√=8 TeV and constraints on anomalous quartic gauge couplings
(2017)Journal of High Energy PhysicsA 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 experiment in s√=8 TeV proton-proton collisions produced at the LHC. Candidate events are selected with exactly one muon or electron, missing transverse momentum, one photon, and two jets with large rapidity separation. ...Journal Article -
Measurement of the top quark mass using single top quark events in proton-proton collisions at s√=8 TeV
(2017)The European Physical Journal CA measurement of the top quark mass is reported in events containing a single top quark produced via the electroweak t channel. The analysis is performed using data from proton-proton collisions collected with the CMS detector at the LHC at a centre-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 19.7 fb−1. Top quark candidates are reconstructed from their decay to a W boson and a b quark, with the W boson decaying ...Journal Article -
Searches for pair production of third-generation squarks in √s=13 TeV pp collisions
(2017)The European Physical Journal CSearches are presented for direct production of top or bottom squark pairs in proton–proton collisions at the CERN LHC. Two searches, based on complementary techniques, are performed in all-jet final states that are characterized by a significant imbalance in transverse momentum. An additional search requires the presence of a charged lepton isolated from other activity in the event. The data were collected in 2015 at a centre-of-mass ...Journal Article -
A search for new phenomena in pp collisions at √s = 13 TeV in final states with missing transverse momentum and at least one jet using the αT variable
(2017)The European Physical Journal CA search for new phenomena is performed in final states containing one or more jets and an imbalance in transverse momentum in pp collisions at a centre-of-mass energy of 13TeV. The analysed data sample, recorded with the CMS detector at the CERN LHC, corresponds to an integrated luminosity of 2.3fb−1. Several kinematic variables are employed to suppress the dominant background, multijet production, as well as to discriminate between other ...Journal Article -
Observation of Υ(1S) pair production in proton-proton collisions at √s= 8 TeV
(2017)Journal of High Energy PhysicsPair 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 reconstructed via their decays to μ+μ−. The fiducial acceptance region is defined by an absolute Y(1S) rapidity smaller than 2.0. The fiducial cross section for the production of Y(1S) pairs, assuming that both mesons ...Journal Article