Browsing Natural and Mathematical Sciences by Issue Date
Now showing items 961-980 of 1083
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Search for electroweak production of charginos and neutralinos in proton-proton collisions at s√ = 13 TeV
(Springer, 2022-04-26)A direct search for electroweak production of charginos and neutralinos is presented. Events with three or four leptons, with up to two hadronically decaying τ leptons, or two same-sign light leptons are analyzed. The data ... -
Precision measurement of the W boson decay branching fractions in proton-proton collisions at √s = 13 TeV
(American Physical Society, 2022-04-26)The leptonic and inclusive hadronic decay branching fractions of the W boson are measured using proton-proton collision data collected at s=13 TeV by the CMS experiment at the CERN LHC, corresponding to an integrated ... -
Search for higgsinos decaying to two Higgs bosons and missing transverse momentum in proton-proton collisions at s√ = 13 TeV
(Springer, 2022-05)Results are presented from a search for physics beyond the standard model in proton-proton collisions at s = 13 TeV in channels with two Higgs bosons, each decaying via the process H → bb ¯ , and large missing transverse ... -
Search for single production of a vector-like T quark decaying to a top quark and a Z boson in the final state with jets and missing transverse momentum at s√ = 13 TeV
(Springer, 2022-05)A search is presented for single production of a vector-like T quark with charge 2/3 e, in the decay channel featuring a top quark and a Z boson, with the top quark decaying hadronically and the Z boson decaying to neutrinos. ... -
A semi-discrete numerical scheme for nonlocally regularized KdV-type equations
(Elsevier, 2022-05)A general class of KdV-type wave equations regularized with a convolution-type nonlocality in space is considered. The class differs from the class of the nonlinear nonlocal unidirectional wave equations previously studied ... -
Search for heavy resonances decaying to a pair of Lorentz-boosted Higgs bosons in final states with leptons and a bottom quark pair at s√ = 13 TeV
(Springer, 2022-05-02)A search for new heavy resonances decaying to a pair of Higgs bosons (HH) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. Data were collected with the CMS detector at the LHC in 2016–2018, ... -
Measurement of the inclusive and differential tt¯ γ cross sections in the dilepton channel and effective field theory interpretation in proton-proton collisions at s√ = 13 TeV
(Springer, 2022-05-16)The production cross section of a top quark pair in association with a photon is measured in proton-proton collisions in the decay channel with two oppositely charged leptons (e±μ∓, e+e−, or μ+μ−). The measurement is ... -
Impact of a thermal medium on newly observed Zcs(3985) resonance and its b-partner
(Springer, 2022-05-17)Motivated by the very recent discovery of the strange hidden-charm exotic state Zcs(3985) by the BESIII Collaboration, we study the possible interpretation of this exotic state the both at T= 0 and T≠ 0. We analytically ... -
Search for invisible decays of the Higgs boson produced via vector boson fusion in proton-proton collisions at √s = 13 TeV
(American Physical Society, 2022-05-20)A search for invisible decays of the Higgs boson produced via vector boson fusion (VBF) has been performed with 101 fb-1 of proton-proton collisions delivered by the LHC at s=13 TeV and collected by the CMS detector in ... -
Observation of B0 → ψ (2S)K0Sπ+π− and B0s → ψ (2S)K0S decays
(Springer, 2022-05-31) -
Measurement of the production cross section for Z + b jets in proton-proton collisions at √s = 13 TeV
(American Physical Society, 2022-05-31)The measurement of the cross section for the production of a Z boson, decaying to dielectrons or dimuons, in association with at least one bottom quark jet is performed with proton-proton collision data at s=13 TeV. The ... -
Analysis of the CP structure of the Yukawa coupling between the Higgs boson and τ leptons in proton-proton collisions at s√ = 13 TeV
(Springer, 2022-06-03)The first measurement of the CP structure of the Yukawa coupling between the Higgs boson and τ leptons is presented. The measurement is based on data collected in proton-proton collisions at s = 13 TeV by the CMS detector ... -
Observation of B0 s mesons and measurement of the B0 s /B+ yield ratio in PbPb collisions at √snn = 5.02 TeV
(Elsevier, 2022-06-10)The Bs 0 and B+ production yields are measured in PbPb collisions at a center-of-mass energy per nucleon pair of 5.02 TeV. The data sample, collected with the CMS detector at the LHC, corresponds to an integrated luminosity ... -
Inclusive nonresonant multilepton probes of new phenomena at √s = 13 TeV
(American Physical Society, 2022-06-14)An inclusive search for nonresonant signatures of beyond the standard model (SM) phenomena in events with three or more charged leptons, including hadronically decaying τ leptons, is presented. The analysis is based on a ... -
Search for charged-lepton flavor violation in top quark production and decay in pp collisions at s√ = 13 TeV
(Springer, 2022-06-15)Results are presented from a search for charged-lepton flavor violating (CLFV) interactions in top quark production and decay in pp collisions at a center-of-mass energy of 13 TeV. The events are required to contain one ... -
FACET: A new long-lived particle detector in the very forward region of the CMS experiment
(Springer, 2022-06-20)We describe a proposal to add a set of very forward detectors to the CMS experiment for the high-luminosity era of the Large Hadron Collider to search for beyond the standard model long-lived particles, such as dark photons, ... -
Observation of the Bc+ meson in Pb-Pb and pp collisions at √s NN = 5.02 TeV and measurement of its nuclear modification factor
(American Physical Society, 2022-06-21)The Bc+ meson is observed for the first time in heavy ion collisions. Data from the CMS detector are used to study the production of the Bc+ meson in lead-lead (Pb-Pb) and proton-proton (pp) collisions at a center-of-mass ... -
First search for exclusive diphoton production at high mass with tagged protons in proton-proton collisions at √s = 13 TeV
(American Physical Society, 2022-06-28)A search for exclusive two-photon production via photon exchange in proton-proton collisions, pp→pγγp with intact protons, is presented. The data correspond to an integrated luminosity of 9.4 fb-1 collected in 2016 using ... -
Search for resonant production of strongly coupled dark matter in proton-proton collisions at 13 TeV
(Springer, 2022-06-29)The first collider search for dark matter arising from a strongly coupled hidden sector is presented and uses a data sample corresponding to 138 fb−1, collected with the CMS detector at the CERN LHC, at s = 13 TeV. The ... -
Identification of hadronic tau lepton decays using a deep neural network
(IOP Publishing, 2022-07)A new algorithm is presented to discriminate reconstructed hadronic decays of tau leptons (τ h) that originate from genuine tau leptons in the CMS detector against τ h candidates that originate from quark or gluon jets, ...
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