C. U. Perez

activity

20102026

most citedA portrait of the Higgs boson by the CMS experiment ten years after the discovery

424 citations · 4k across the 325 of their papers we have counts for

collaborators

Showing 2025Show all

105 papers · 1 filter

hep-ex2025★ 1 cited

Identification of tau leptons using a convolutional neural network with domain adaptation

CMS Collaboration

A tau lepton identification algorithm, DeepTau, based on convolutional neural network techniques, has been developed in the CMS experiment to discriminate reconstructed hadronic de…

hep-ex2025★ 2 cited

Search for heavy neutral leptons in B-meson decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1184

A search for long-lived heavy neutral leptons produced in B-meson decays and decaying to a $μ^{\pm} π^{\mp}$ final state is performed with data collected by the LHCb experiment in pro…

hep-ex2025

Measurement of the top-quark production cross-section and charge asymmetry at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1173

The first measurements of the top- and antitop-quark differential production cross-sections and the top-quark charge asymmetry in the forward region are presented, using proton-pro…

hep-ex2025

Precision measurement of CP violation and branching fractions in $B^{\pm} \to K_{S}^{0} h^{\pm}$ $(h = π, K)$ decays and search for the rare decay $B_{c}^{\pm} \to K_{S}^{0} K^{\pm}$

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta +1177

The decay $B^{\pm} \to K_{S}^{0} π^{\pm}$ , with a $C P$ asymmetry expected to be close to zero in the Standard Model, is theoretically clean and sensitive to potential new ph…

hep-ex2025★ 1 cited

Measurement of the branching fractions and longitudinal polarisations of $B_{(s)}^{0} \to K^{* 0} K^{* 0}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

A time- and flavour-integrated amplitude analysis of $B^{0}$ and $B_{s}^{0}$ decays to the $(K^{+} π^{-}) (K^{-} π^{+})$ final state in the $K^*(892)^0 \kern 0.18em \overline{\kern -0.18em K}{}^{*}…

hep-ex2025

Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

The first observation of electroweak production of a photon in association with two forward jets in proton-proton collisions is presented. The measurement uses data recorded by the…

hep-ex2025

Observation of the rare baryonic decay $B^{+} \to p Λ ˉ$ and measurement of its weak decay parameter

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1182

The first observation of the decay $B^{+} \to p Λ ˉ$ is presented, using proton-proton collision data collected by the LHCb experiment between 2016 and 2018 at a cent…

physics.ins-det2025★ 5 cited

Performance of heavy-flavour jet identification in Lorentz-boosted topologies in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

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 L…

hep-ex2025★ 1 cited

First observation of the $B_{s}^{0} \to Λ_{c}^{+} Λ_{c}^{-}$ decay and evidence for the $B^{0} \to Λ_{c}^{+} Λ_{c}^{-}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

A search is presented for the two-body charmed baryonic decays $B_{(s)}^{0} \to Λ_{c}^{+} Λ_{c}^{-}$ , using a data sample collected by the LHCb experiment during…

hep-ex2025

Observation and investigation of the $T_{c c ˉ 1} (4430)^{+}$ structure in $B^{+} \to ψ (2 S) K_{S}^{0} π^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1184

The first four-dimensional amplitude analysis of the $B^{+} \to ψ (2 S) K_{S}^{0} π^{+}$ decay is performed with proton-proton collision data collected by the LHCb experiment…

hep-ex2025

Search for light pseudoscalar bosons, pair-produced in Higgs boson decays in the four-electron final state in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for pairs of light neutral pseudoscalar bosons (A) resulting from the decay of a Higgs boson is performed. The search is conducted using LHC proton-proton collision data a…

hep-ex2025★ 1 cited

Search for new physics in the final state with a single photon and large missing transverse momentum in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for new physics in events featuring a single photon and missing transverse momentum is presented, using proton-proton $s$ = 13 TeV collision data corresponding to a…

hep-ex2025

Differential decay rate of $B^{+} \to J / ψ K^{+}$ with the LHCb Upgrade I experiment

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

The normalised decay rate of $B^{+} \to J / ψ (\to μ^{+} μ^{-}) K^{+}$ is measured as a function of the lepton helicity angle using a data sample corresponding to an integrated luminosity of $…

hep-ex2025

Search for Higgsinos in final states with low-momentum lepton-track pairs at 13 TeV

CMS Collaboration

We present a search for the pair production of Higgsinos in final states with large missing transverse momentum and either two reconstructed muons or a reconstructed lepton (muon o…

hep-ex2025★ 1 cited

Branching fraction measurement of the $Λ \to p μ^{-} ν_{μ}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

A measurement of the branching fraction for the decay $Λ \to p μ^{-} ν_{μ}$ is presented using $pp$ collision data collected by the LHCb experiment at a centre…

hep-ex2025★ 1 cited

Search for low-mass hidden-valley dark showers with non-prompt muon pairs in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for signatures of a dark analog to quantum chromodynamics is performed. The analysis targets long-lived dark mesons that decay into standard-model particles, with a high b…

hep-ex2025

Search for a new neutral gauge boson produced in association with one or two b jets and decaying into a pair of muons in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for a new neutral gauge boson, Z', produced in association with one or two jets, including at least one b jet, and decaying into a pair of muons is presented. The analysis…

hep-ex2025

Jet fragmentation function and groomed substructure of bottom quark jets in proton-proton collisions at 5.02 TeV

CMS Collaboration

A measurement of the substructure of bottom quark jets (b jets) in proton-proton (pp) collisions is presented. The measurement uses data collected in pp collisions at $s$ =…

hep-ex2025★ 2 cited

Measurement of charged-hadron distributions in heavy-flavor jets in proton-proton collisions at $s$ =13 TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1174

Charged-hadron distributions in heavy-flavor jets are measured in proton-proton collisions at a center-of-mass energy of $s$ = 13 TeV collected by the LHCb experiment. Distr…

hep-ex2025

Search for long-lived particles using displaced vertices with low-momentum tracks in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for long-lived particles using final states including a displaced vertex with low-momentum tracks, large missing transverse momentum, and a jet from initial-state radiatio…

hep-ex2025

Search for $K_{S (L)}^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ decays at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

A search for $K_{S (L)}^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ decays is performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass en…

hep-ex2025

Inclusive and differential measurements of the $t t ˉ γ$ cross section and the $t t ˉ γ$ / $t t ˉ$ cross section ratio in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

Inclusive and differential cross section measurements of top quark pair ( $t t ˉ$ ) production in association with a photon ( $γ$ ) are performed as a function of lepton, p…

nucl-ex2025

Characterizing the initial state and dynamical evolution in XeXe and PbPb collisions using multiparticle cumulants

CMS Collaboration

For the first time, correlations among mixed-order moments of two or three flow harmonics $-$ ( $v_{n}^{k}, v_{m}^{l}$ ) and ( $v_{n}^{k}, v_{m}^{l}, v_{p}^{q}$ ), with $k$ , $l$ , and $q$ d…

hep-ex2025

Search for single production of a vector-like T quark decaying to a top quark and a neutral scalar boson in the lepton+jets final state in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for single production of a vector-like T quark with charge 2 $e$ /3, decaying to a top quark and a neutral scalar boson is presented. The boson can be a standard model Higgs…

Identification of tau leptons using a convolutional neural network with domain adaptation

Search for heavy neutral leptons in B-meson decays

Measurement of the top-quark production cross-section and charge asymmetry at LHCb

Precision measurement of CP violation and branching fractions in B±→KS0​h± (h=π,K) decays and search for the rare decay Bc±​→KS0​K±

Measurement of the branching fractions and longitudinal polarisations of B(s)0​→K∗0K∗0 decays

Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at s​ = 13 TeV

Observation of the rare baryonic decay B+→pΛˉ and measurement of its weak decay parameter

Performance of heavy-flavour jet identification in Lorentz-boosted topologies in proton-proton collisions at s​ = 13 TeV

First observation of the Bs0​→Λc+​Λc​− decay and evidence for the B0→Λc+​Λc​− decay

Observation and investigation of the Tccˉ1​(4430)+ structure in B+→ψ(2S)KS0​π+ decays

Search for light pseudoscalar bosons, pair-produced in Higgs boson decays in the four-electron final state in proton-proton collisions at s​ = 13 TeV

Search for new physics in the final state with a single photon and large missing transverse momentum in proton-proton collisions at s​ = 13 TeV

Differential decay rate of B+→J/ψK+ with the LHCb Upgrade I experiment

Search for Higgsinos in final states with low-momentum lepton-track pairs at 13 TeV

Branching fraction measurement of the Λ→pμ−νμ​ decay

Search for low-mass hidden-valley dark showers with non-prompt muon pairs in proton-proton collisions at s​ = 13 TeV

Search for a new neutral gauge boson produced in association with one or two b jets and decaying into a pair of muons in proton-proton collisions at s​ = 13 TeV

Jet fragmentation function and groomed substructure of bottom quark jets in proton-proton collisions at 5.02 TeV

Measurement of charged-hadron distributions in heavy-flavor jets in proton-proton collisions at s​=13 TeV

Search for long-lived particles using displaced vertices with low-momentum tracks in proton-proton collisions at s​ = 13 TeV

Search for KS(L)0​→π+π−μ+μ− decays at LHCb

Inclusive and differential measurements of the ttˉγ cross section and the ttˉγ / ttˉ cross section ratio in proton-proton collisions at s​ = 13 TeV

Characterizing the initial state and dynamical evolution in XeXe and PbPb collisions using multiparticle cumulants

Search for single production of a vector-like T quark decaying to a top quark and a neutral scalar boson in the lepton+jets final state in proton-proton collisions at s​ = 13 TeV

Precision measurement of CP violation and branching fractions in $B^{\pm} \to K_{S}^{0} h^{\pm}$ $(h = π, K)$ decays and search for the rare decay $B_{c}^{\pm} \to K_{S}^{0} K^{\pm}$

Measurement of the branching fractions and longitudinal polarisations of $B_{(s)}^{0} \to K^{* 0} K^{* 0}$ decays

Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at $s$ = 13 TeV

Observation of the rare baryonic decay $B^{+} \to p Λ ˉ$ and measurement of its weak decay parameter

Performance of heavy-flavour jet identification in Lorentz-boosted topologies in proton-proton collisions at $s$ = 13 TeV

First observation of the $B_{s}^{0} \to Λ_{c}^{+} Λ_{c}^{-}$ decay and evidence for the $B^{0} \to Λ_{c}^{+} Λ_{c}^{-}$ decay

Observation and investigation of the $T_{c c ˉ 1} (4430)^{+}$ structure in $B^{+} \to ψ (2 S) K_{S}^{0} π^{+}$ decays

Search for light pseudoscalar bosons, pair-produced in Higgs boson decays in the four-electron final state in proton-proton collisions at $s$ = 13 TeV

Search for new physics in the final state with a single photon and large missing transverse momentum in proton-proton collisions at $s$ = 13 TeV

Differential decay rate of $B^{+} \to J / ψ K^{+}$ with the LHCb Upgrade I experiment

Branching fraction measurement of the $Λ \to p μ^{-} ν_{μ}$ decay

Search for low-mass hidden-valley dark showers with non-prompt muon pairs in proton-proton collisions at $s$ = 13 TeV

Search for a new neutral gauge boson produced in association with one or two b jets and decaying into a pair of muons in proton-proton collisions at $s$ = 13 TeV

Measurement of charged-hadron distributions in heavy-flavor jets in proton-proton collisions at $s$ =13 TeV

Search for long-lived particles using displaced vertices with low-momentum tracks in proton-proton collisions at $s$ = 13 TeV

Search for $K_{S (L)}^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ decays at LHCb

Inclusive and differential measurements of the $t t ˉ γ$ cross section and the $t t ˉ γ$ / $t t ˉ$ cross section ratio in proton-proton collisions at $s$ = 13 TeV

Search for single production of a vector-like T quark decaying to a top quark and a neutral scalar boson in the lepton+jets final state in proton-proton collisions at $s$ = 13 TeV