Natural and Mathematical Sciences: Recent submissions
Now showing items 41-60 of 1083
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Azimuthal correlations within exclusive dijets with large momentum transfer in photon-lead collisions
(American Physical Society, 2023-08-04)The structure of nucleons is multidimensional and depends on the transverse momenta, spatial geometry, and polarization of the constituent partons. Such a structure can be studied using high-energy photons produced in ... -
A search for new physics in central exclusive production using the missing mass technique with the CMS detector and the CMS-TOTEM precision proton spectrometer
(Springer, 2023-09-20)A generic search is presented for the associated production of a Z boson or a photon with an additional unspecified massive particle X, pp → pp + Z / γ + X , in proton-tagged events from proton–proton collisions at s=13TeV ... -
Search for a vector-like quark T′ → tH via the diphoton decay mode of the Higgs boson in proton-proton collisions at √s = 13 TeV
(Springer, 2023-09-11)A search for the electroweak production of a vector-like quark T′, decaying to a top quark and a Higgs boson is presented. The search is based on a sample of proton-proton collision events recorded at the LHC at s = 13 ... -
Reconstruction of decays to merged photons using end-to-end deep learning with domain continuation in the CMS detector
(American Physical Society, 2023-09-05)A novel technique based on machine learning is introduced to reconstruct the decays of highly Lorentz-boosted particles. Using an end-to-end deep learning strategy, the technique bypasses existing rule-based particle ... -
Measurement of differential cross sections for the production of a Z boson in association with jets in proton-proton collisions at √s=13 TeV
(American Physical Society, 2023-09-06)A measurement is presented of the production of Formula Presented bosons that decay into two electrons or muons in association with jets, in proton-proton collisions at a center-of-mass energy of 13 TeV. The data were ... -
A search for decays of the Higgs boson to invisible particles in events with a top-antitop quark pair or a vector boson in proton-proton collisions at √s = 13 TeV
(Springer, 2023-10)A search for decays to invisible particles of Higgs bosons produced in association with a top-antitop quark pair or a vector boson, which both decay to a fully hadronic final state, has been performed using proton-proton ... -
Measurement of the top quark mass using a profile likelihood approach with the lepton + jets final states in proton–proton collisions at √s = 13 TeV
(Springer, 2023-10-25)The mass of the top quark is measured in 36.3 fb-1 of LHC proton–proton collision data collected with the CMS detector at s=13TeV . The measurement uses a sample of top quark pair candidate events containing one isolated ... -
Properties of kaon at non-zero temperature and baryon chemical potential
(Springer, 2023-10-14)We investigate the spectroscopic properties of the strange particle kaon in the framework of hot and dense QCD. To this end, first, we find the perturbative spectral density, which is connected with both the temperature T ... -
Search for new physics using effective field theory in 13 TeV pp collision events that contain a top quark pair and a boosted Z or Higgs boson
(American Physical Society, 2023-08-10)A data sample containing top quark pairs (tt over bar ) produced in association with a Lorentz-boosted Z or Higgs boson is used to search for signs of new physics using effective field theory. The data correspond to an ... -
Azimuthal anisotropy of dijet events in PbPb collisions at √sNN=5.02 TeV
(Springer, 2023-07-17)The path-length dependent parton energy loss within the dense partonic medium created in lead-lead collisions at a nucleon-nucleon center-of-mass energy of root s(NN) = 5.02TeV is studied by determining the azimuthal ... -
Searches for additional Higgs bosons and for vector leptoquarks in τ τ final states in proton-proton collisions at √s = 13 TeV
(Springer, 2023-07-10)Three searches are presented for signatures of physics beyond the standard model (SM) in tau tau final states in proton-proton collisions at the LHC, using a data sample collected with the CMS detector at root s = 13 TeV, ... -
Probing heavy majorana neutrinos and the weinberg operator through vector boson fusion processes in proton-proton collisions at √s = 13 TeV
(American Physical Society, 2023-07-06)The first search exploiting the vector boson fusion process to probe heavy Majorana neutrinos and the Weinberg operator at the LHC is presented. The search is performed in the same-sign dimuon final state using a proton-proton ... -
Measurement of the top quark pole mass using t¯t+jet events in the dilepton final state in proton-proton collisions at √s = 13 TeV
(Springer, 2023-07-10)A measurement of the top quark pole mass m(t)(pole) in events where a top quarkantiquark pair (t (t) over bar) is produced in association with at least one additional jet ( t (t) over bar +jet) is presented. This analysis ... -
Search for higgs boson decay to a charm quark-antiquark pair in proton-proton collisions at √s=13 TeV
(American Physical Society, 2023-08-11)A search for the standard model Higgs boson decaying to a charm quark-antiquark pair, H → c c ¯ , produced in association with a leptonically decaying V ( W or Z ) boson is presented. The search is performed with proton-proton ... -
Measurement of inclusive and differential cross sections for single top quark production in association with a W boson in proton-proton collisions at √s = 13 TeV
(Springer, 2023-07-06)Measurements of the inclusive and normalised differential cross sections are presented for the production of single top quarks in association with a W boson in proton-proton collisions at a centre-of-mass energy of 13TeV. ... -
Measurement of the cross section of top quark-antiquark pair production in association with a W boson in proton-proton collisions at √s = 13 TeV
(Springer, 2023-07-28)The production of a top quark-antiquark pair in association with a W boson (t (t) over barW) is measured in proton-proton collisions at a center-of-mass energy of 13TeV. The analyzed data was recorded by the CMS experiment ... -
Search for medium effects using jets from bottom quarks in PbPb collisions at √sNN = 5.02 TeV
(Elsevier, 2023-09-10)The first study of the shapes of jets arising from bottom (b) quarks in heavy ion collisions is presented. Jet shapes are studied using charged hadron constituents as a function of their radial distance from the jet axis. ... -
Search for CP violation in t¯tH and tH production in multilepton channels in proton-proton collisions at √s = 13 TeV
(Springer, 2023-07-12)The charge-parity (CP) structure of the Yukawa interaction between the Higgs (H) boson and the top quark is measured in a data sample enriched in the t (t) over bar H and tH associated production, using 138 fb(-1) of data ... -
Search for top squark pair production in a final state with at least one hadronically decaying tau lepton in proton-proton collisions at √s=13 TeV
(Springer, 2023-07-13)A search for pair production of the supersymmetric partner of the top quark, the top squark, in proton-proton collisions at root s = 13TeV is presented in final states containing at least one hadronically decaying tau ... -
Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at √s = 13 TeV
(Springer, 2023-07-21)A search for pairs of dijet resonances with the same mass is conducted in final states with at least four jets. Results are presented separately for the case where the four jet production proceeds via an intermediate ...
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