Navegação Produção Científica por Autor "Tumasyan, Armen"
Resultados 61-80 de 108
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Search for electroweak production of charginos and neutralinos at √s = 13 TeV in final states containing hadronic decays of WW, WZ, or WH and missing transverse momentum
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2023) [Artigo de periódico]This Letter presents a search for direct production of charginos and neutralinos via electroweak interactions. The results are based on data from proton-proton collisions at a center-of-mass energy of 13 TeV collected with ... -
Search for electroweak production of charginos and neutralinos in proton-proton collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; CMS Collaboration (2022) [Artigo de periódico]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 ... -
Search for exotic Higgs boson decays H → A A → 4 γ with events containing two merged diphotons in proton-proton collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2023) [Artigo de periódico]We present the first direct search for exotic Higgs boson decays H → AA, A → γγ in events with two photonlike objects. The hypothetical particle A is a low-mass spin-0 particle decaying promptly to a merged diphoton ... -
Search for flavor-changing neutral current interactions of the top quark and Higgs boson in final states with two photons in proton-proton collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2022) [Artigo de periódico]Proton-proton interactions resulting in final states with two photons are studied in a search for the signature of flavor-changing neutral current interactions of top quarks (t) and Higgs bosons (H). The analysis is based ... -
Search for flavor-changing neutral current interactions of the top quark and the Higgs boson decaying to a bottom quark-antiquark pair at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2022) [Artigo de periódico]A search for flavor-changing neutral current interactions of the top quark (t) and the Higgs boson (H) is presented. The search is based on a data sample corresponding to an integrated luminosity of 137 fb−1 recorded by ... -
Search for heavy resonances and quantum black holes in eµ, eτ, and µτ final states in proton-proton collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2023) [Artigo de periódico]A search is reported for heavy resonances and quantum black holes decaying into eµ, eτ, and µτ final states in proton-proton collision data recorded by the CMS experiment at the CERN LHC during 2016–2018 at √ s = 13 TeV, ... -
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
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2022) [Artigo de periódico]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, ... -
Search for heavy resonances decaying to ZZ or ZW and axion-like particles mediating nonresonant ZZ or ZH production at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2022) [Artigo de periódico]A search has been performed for heavy resonances decaying to ZZ or ZW and for axion-like particles (ALPs) mediating nonresonant ZZ or ZH production, in final states with two charged leptons (` = e, µ) produced by the decay ... -
Search for heavy resonances decaying to Z(ν¯ν)V(q¯q′) in proton-proton collisions at √s=13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2022) [Artigo de periódico]A search is presented for heavy bosons decaying to Z(ν¯ν)V(q¯q′), where V can be a W or a Z boson. A sample of proton-proton collision data at √s=13 TeV was collected by the CMS experiment during 2016–2018. The data ... -
Search for higgs boson and observation of Z boson through their decay into a charm quark-antiquark pair in boosted topologies in proton-proton collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; CMS Collaboration (2023) [Artigo de periódico]A search for the standard model (SM) Higgs boson (H) produced with transverse momentum (pT) greater than 450 GeV and decaying to a charm quark-antiquark (cc¯) pair is presented. The search is performed using proton-proton ... -
Search for Higgs boson decays into Z and J/ψ and for Higgs and Z boson decays into J/ψ or Y pairs in pp collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2023) [Artigo de periódico]Decays of the Higgs boson into a Z boson and a J/ψ or ψ(2S) meson are searched for in four-lepton final states with the CMS detector at the LHC. A data set of proton-proton collisions corresponding to an integrated luminosity ... -
Search for Higgs boson decays to a Z boson and a photon in proton-proton collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2023) [Artigo de periódico]Results are presented from a search for the Higgs boson decay H → Zγ, where Z → ` + ` − with ` = e or µ. The search is performed using a sample of proton-proton (pp) collision data at a center-of-mass energy of 13 TeV, ... -
Search for Higgs boson pair production in the four b quark final state in proton-proton collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2022) [Artigo de periódico]A search for pairs of Higgs bosons produced via gluon and vector boson fusion is presented, focusing on the four b quark final state. The data sample consists of proton-proton collisions at a center-of-mass energy of 13 ... -
Search for higgsinos decaying to two Higgs bosons and missing transverse momentum in proton-proton collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2022) [Artigo de periódico]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 high-mass exclusive γγ → WW and γγ → ZZ production in proton-proton collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration; TOTEM Collaboration (2023) [Artigo de periódico]A search is performed for exclusive high-mass γγ → WW and γγ → ZZ production in proton-proton collisions using intact forward protons reconstructed in nearbeam detectors, with both weak bosons decaying into boosted and ... -
Search for high-mass resonances decaying to a jet and a Lorentz-boosted resonance in proton-proton collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2022) [Artigo de periódico]A search is reported for high-mass hadronic resonances that decay to a parton and a Lorentz-boosted resonance, which in turn decays into a pair of partons. The search is based on data collected with the CMS detector at the ... -
Search for invisible decays of the Higgs boson produced via vector boson fusion in proton-proton collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2022) [Artigo de periódico]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 ffiffi s p ¼ 13 TeV and collected by the CMS ... -
Search for light Higgs bosons from supersymmetric cascade decays in pp collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2023) [Artigo de periódico]A search is reported for pairs of light Higgs bosons (H1) produced in supersymmetric cascade decays in final states with small missing transverse momentum. A data set of LHC pp collisions collected with the CMS detector ... -
Search for long-lived heavy neutral leptons with displaced vertices in proton-proton collisions at √s = 13 TeV
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2022) [Artigo de periódico]A search for heavy neutral leptons (HNLs), the right-handed Dirac or Majorana neutrinos, is performed in final states with three charged leptons (electrons or muons) using proton-proton collision data collected by the CMS ... -
Search for long-lived particles decaying into muon pairs in proton-proton collisions at √s = 13 TeV collected with a dedicated high-rate data stream
Tumasyan, Armen; Silveira, Gustavo Gil da; Bernardes, César Augusto; CMS Collaboration (2022) [Artigo de periódico]A search for long-lived particles decaying into muon pairs is performed using proton-proton collisions at a center-of-mass energy of 13 TeV, collected by the CMS experi- ment at the LHC in 2017 and 2018, corresponding to ...