J. Jaramillo
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View article: Search for t-channel scalar and vector leptoquark exchange in the high-mass dimuon and dielectron spectra in proton-proton collisions at $$\sqrt{s}=13$$ TeV
Search for t-channel scalar and vector leptoquark exchange in the high-mass dimuon and dielectron spectra in proton-proton collisions at $$\sqrt{s}=13$$ TeV Open
A bstract A search for t -channel exchange of leptoquarks (LQs) is performed in dimuon and dielectron spectra using proton-proton collision data collected at $$\sqrt{s}=13$$ TeV with the CMS detector at the CERN LHC. The data correspond to…
View article: Performance of heavy-flavour jet identification in Lorentz-boosted topologies in proton-proton collisions at √( <i>s</i> ) = 13 TeV
Performance of heavy-flavour jet identification in Lorentz-boosted topologies in proton-proton collisions at √( <i>s</i> ) = 13 TeV Open
Measurements in the highly Lorentz-boosted regime provoke increased interest in probing the Higgs boson properties and in searching for particles beyond the standard model at the LHC. In the CMS Collaboration, various boosted-object taggin…
View article: Search for New Physics in Jet Multiplicity Patterns of Multilepton Events at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>13</mml:mn> <mml:mtext> </mml:mtext> <mml:mtext> </mml:mtext> <mml:mi>TeV</mml:mi> </mml:math>
Search for New Physics in Jet Multiplicity Patterns of Multilepton Events at Open
A first search for beyond the standard model physics in jet multiplicity patterns of multilepton events is presented, using a data sample corresponding to an integrated luminosity of 138 fb − 1 of 13 TeV proton-proton collisions …
View article: Study of same-sign W boson scattering and anomalous couplings in events with one tau lepton from pp collisions at $$\sqrt{s}=13$$ TeV
Study of same-sign W boson scattering and anomalous couplings in events with one tau lepton from pp collisions at $$\sqrt{s}=13$$ TeV Open
A bstract A first study is presented of the cross section for the scattering of same-sign W boson pairs via the detection of a τ lepton. The data from proton-proton collisions at the center-of-mass energy of 13 TeV were collected by the CM…
View article: Elliptic anisotropy measurement of the f0(980) hadron in proton-lead collisions and evidence for its quark-antiquark composition
Elliptic anisotropy measurement of the f0(980) hadron in proton-lead collisions and evidence for its quark-antiquark composition Open
Despite the f 0 (980) hadron having been discovered half a century ago, the question about its quark content has not been settled: it might be an ordinary quark-antiquark ( $${{\rm{q}}}\overline{{{\rm{q}}}}$$ ) meson, a tetraquark ( …
View article: Operation and performance of the CMS silicon strip tracker with proton-proton collisions at the CERN LHC
Operation and performance of the CMS silicon strip tracker with proton-proton collisions at the CERN LHC Open
Salient aspects of the commissioning, calibration, and performance of the CMS silicon strip tracker are discussed, drawing on experience during operation with proton-proton collisions delivered by the CERN LHC. The data were obtained with …
View article: Search for flavor-changing neutral current interactions of the top quark mediated by a Higgs boson in proton-proton collisions at 13 TeV
Search for flavor-changing neutral current interactions of the top quark mediated by a Higgs boson in proton-proton collisions at 13 TeV Open
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 proton-proton collision data collected in 2016–2018 at a center-of-mass energy of 13 TeV with the C…
View article: Impact of the Energy Crisis on the Academic Performance and Professional Training of Undergraduate Students in the Social Work Program in Ecuador
Impact of the Energy Crisis on the Academic Performance and Professional Training of Undergraduate Students in the Social Work Program in Ecuador Open
This research examines the impact of the energy crisis on the academic performance and professional training of 330 Social Work students in virtual and distance learning modalities at two Ecuadorian universities. Employing a mixed methodol…
View article: Measurement of the Higgs boson mass and width using the four-lepton final state in proton-proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:mi>s</mml:mi></mml:msqrt><mml:mo>=</mml:mo><mml:mn>13</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:math>
Measurement of the Higgs boson mass and width using the four-lepton final state in proton-proton collisions at Open
A measurement of the Higgs boson mass and width via its decay to two Z bosons is presented. Proton-proton collision data collected by the CMS experiment, corresponding to an integrated luminosity of 138 fb−1 at a center-of-mass energy of …
View article: Study on discharge and short circuit generation in CMS GE1/1 triple-GEM detectors during Run 3
Study on discharge and short circuit generation in CMS GE1/1 triple-GEM detectors during Run 3 Open
The installation of the new GE1/1 station of Gas Electron Multiplier (GEM) detectors in the Compact Muon Solenoid (CMS) experiment was completed during the Long Shutdown 2 (LS2) phase of the Large Hadron Collider (LHC). The GE1/1 station h…
View article: Measurement of the inclusive cross sections for W and Z boson production in proton-proton collisions at $$ \sqrt{\textrm{s}} $$ = 5.02 and 13 TeV
Measurement of the inclusive cross sections for W and Z boson production in proton-proton collisions at $$ \sqrt{\textrm{s}} $$ = 5.02 and 13 TeV Open
A bstract Measurements of fiducial and total inclusive cross sections for W and Z boson production are presented in proton-proton collisions at $$ \sqrt{s} $$ = 5.02 and 13 TeV. Electron and muon decay modes ( ℓ = e or μ ) are studied i…
View article: Measurement of the inclusive WZ production cross section in pp collisions at $$ \sqrt{\textrm{s}} $$ = 13.6 TeV
Measurement of the inclusive WZ production cross section in pp collisions at $$ \sqrt{\textrm{s}} $$ = 13.6 TeV Open
A bstract The inclusive WZ production cross section is measured in proton-proton collisions at a centre-of-mass energy of 13.6 TeV, using data collected during 2022 with the CMS detector, corresponding to an integrated luminosity of 34 . 7…
View article: Measurement of the inclusive $$ \textrm{t}\overline{\textrm{t}} $$ cross section in final states with at least one lepton and additional jets with 302 pb−1 of pp collisions at $$ \sqrt{\textrm{s}} $$ = 5.02 TeV
Measurement of the inclusive $$ \textrm{t}\overline{\textrm{t}} $$ cross section in final states with at least one lepton and additional jets with 302 pb−1 of pp collisions at $$ \sqrt{\textrm{s}} $$ = 5.02 TeV Open
A bstract A measurement of the top quark pair ( $$ \textrm{t}\overline{\textrm{t}} $$ ) production cross section in proton-proton collisions at a centre-of-mass energy of 5.02 TeV is presented. The data were collected at the LHC in au…
View article: Energy-scaling behavior of intrinsic transverse-momentum parameters in Drell-Yan simulation
Energy-scaling behavior of intrinsic transverse-momentum parameters in Drell-Yan simulation Open
An analysis is presented based on models of the intrinsic transverse momentum (intrinsic kT) of partons in nucleons by studying the dilepton transverse momentum in Drell-Yan events. Using parameter tuning in event generators and existing d…
View article: Proton reconstruction with the TOTEM Roman pot detectors for high-<i>β</i>* LHC data
Proton reconstruction with the TOTEM Roman pot detectors for high-<i>β</i>* LHC data Open
The TOTEM Roman pot detectors are used to reconstruct the transverse momentum of scattered protons and to estimate the transverse location of the primary interaction. This paper presents new methods of track reconstruction, measurements of…
View article: Search for $t$-channel scalar and vector leptoquark exchange in the high-mass dimuon and dielectron spectra in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Search for $t$-channel scalar and vector leptoquark exchange in the high-mass dimuon and dielectron spectra in proton-proton collisions at $\sqrt{s}$ = 13 TeV Open
A search for $t$-channel exchange of leptoquarks (LQs) is performed in dimuon and dielectron spectra using proton-proton collision data collected at $\sqrt{s}$ = 13 TeV with the CMS detector at the CERN LHC. The data correspond to an integ…
View article: Search for high-mass resonances in a final state comprising a gluon and two hadronically decaying W bosons in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV
Search for high-mass resonances in a final state comprising a gluon and two hadronically decaying W bosons in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV Open
A bstract A search for high-mass resonances decaying into a gluon, g, and two W bosons is presented. A Kaluza-Klein gluon, g KK , decaying in cascade via a scalar radion R, g KK → gR → gWW, is considered. The final state studied consists o…
View article: Measurement of the $$ \textrm{t}\overline{\textrm{t}}\textrm{H} $$ and tH production rates in the H → $$ \textrm{b}\overline{\textrm{b}} $$ decay channel using proton-proton collision data at $$ \sqrt{s} $$ = 13 TeV
Measurement of the $$ \textrm{t}\overline{\textrm{t}}\textrm{H} $$ and tH production rates in the H → $$ \textrm{b}\overline{\textrm{b}} $$ decay channel using proton-proton collision data at $$ \sqrt{s} $$ = 13 TeV Open
A bstract An analysis of the production of a Higgs boson (H) in association with a top quark-antiquark pair ( $$ \textrm{t}\overline{\textrm{t}}\textrm{H} $$ ) or a single top quark (tH) is presented. The Higgs boson decay into a bot…
View article: Observation of $Λ$ hyperon local polarization in pPb collisions at $\sqrt{s_\mathrm{NN}}$ = 8.16 TeV
Observation of $Λ$ hyperon local polarization in pPb collisions at $\sqrt{s_\mathrm{NN}}$ = 8.16 TeV Open
The polarization of the $Λ$ and $\overlineΛ$ hyperons along the beam direction has been measured in proton-lead (pPb) collisions at a center-of-mass energy per nucleon pair of 8.16 TeV. The data were obtained with the CMS detector at the L…