Search Results - "Garcia, Lucas Meyer"
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Phase I Upgrade of the Readout System of the Vertex Detector at the LHCb Experiment
Published in IEEE transactions on nuclear science (01-04-2020)“…This article describes the high-speed system designed to meet the challenging requirements for the readout of the new pixel VErtex LOcator (VELO) of the…”
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2
Observation of an exotic narrow doubly charmed tetraquark
Published in Nature physics (01-07-2022)“…Conventional, hadronic matter consists of baryons and mesons made of three quarks and a quark–antiquark pair, respectively 1 , 2 . Here, we report the…”
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3
Observation of structure in the J/ψ-pair mass spectrum
Published in Science bulletin (Beijing) (15-12-2020)“…[Display omitted] Using proton-proton collision data at centre-of-mass energies of s=7,8 and 13TeV recorded by the LHCb experiment at the Large Hadron…”
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4
Measurement of the W boson mass
Published in The journal of high energy physics (2022)“…A bstract The W boson mass is measured using proton-proton collision data at s = 13 TeV corresponding to an integrated luminosity of 1.7 fb − 1 recorded during…”
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5
Simultaneous determination of CKM angle γ and charm mixing parameters
Published in The journal of high energy physics (01-12-2021)“…A bstract A combination of measurements sensitive to the CP violation angle γ of the Cabibbo-Kobayashi-Maskawa unitarity triangle and to the charm mixing…”
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6
Study of Z Bosons Produced in Association with Charm in the Forward Region
Published in Physical review letters (25-02-2022)“…Events containing a Z boson and a charm jet are studied for the first time in the forward region of proton-proton collisions. The data sample used corresponds…”
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7
Searches for low-mass dimuon resonances
Published in The journal of high energy physics (01-10-2020)“…A bstract Searches are performed for a low-mass dimuon resonance, X , produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using a data…”
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8
Enhanced Production of Λb0 Baryons in High-Multiplicity pp Collisions at s=13 TeV
Published in Physical review letters (23-02-2024)“…The production rate of $Λ^{0}_{b}$ baryons relative to $B$0 mesons in $pp$ collisions at a center-of-mass energy $\sqrt{s}$ = $13$ $TeV$ is measured by the…”
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9
Nuclear Modification Factor of Neutral Pions in the Forward and Backward Regions in p-Pb Collisions
Published in Physical review letters (28-07-2023)“…The nuclear modification factor of neutral pions is measured in proton-lead collisions collected at a center-of-mass energy per nucleon of 8.16 TeV with the…”
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10
Measurements of the branching fraction ratio $$ \mathcal{B}\left(\phi \to {\mu}^{+}{\mu}^{-}\right)/\mathcal{B}\left(\phi \to {\textrm{e}}^{+}{\textrm{e}}^{-}\right) $$ with charm meson decays
Published in The journal of high energy physics (24-05-2024)“…A bstract Measurements of the branching fraction ratio $$ \mathcal{B}\left(\phi \to {\mu}^{+}{\mu}^{-}\right)/\mathcal{B}\left(\phi \to {e}^{+}{e}^{-}\right)…”
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11
Measurement of associated J/ψ-ψ(2S) production cross-section in pp collisions at $$ \sqrt{s} $$ = 13 TeV
Published in The journal of high energy physics (23-05-2024)“…A bstract The cross-section of associated J/ψ - ψ (2 S ) production in proton-proton collisions at a centre-of-mass energy of $$ \sqrt{s} $$ s = 13 TeV is…”
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12
Measurement of J/ψ-pair production in pp collisions at $$ \sqrt{s} $$ = 13 TeV and study of gluon transverse-momentum dependent PDFs
Published in The journal of high energy physics (14-03-2024)“…A bstract The production cross-section of J/ψ pairs in proton-proton collisions at a centre-of-mass energy of $$ \sqrt{s} $$ s = 13 TeV is measured using a…”
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13
Observation of New Charmonium or Charmoniumlike States in B^{+}→D^{±}D^{∓}K^{+} Decays
Published in Physical review letters (27-09-2024)“…A study of resonant structures in B^{+}→D^{*+}D^{-}K^{+} and B^{+}→D^{*-}D^{+}K^{+} decays is performed, using proton-proton collision data at center-of-mass…”
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14
Measurement of the Z boson production cross-section in pp collisions at $$ \sqrt{s} $$ = 5.02 TeV
Published in The journal of high energy physics (13-02-2024)“…A bstract The first measurement of the Z boson production cross-section at centre-of-mass energy $$ \sqrt{s} $$ s = 5 . 02 TeV in the forward region is…”
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15
Search for $${{B} _{c} ^+} \!\rightarrow {{\pi } ^+} {\mu ^+\mu ^-} $$ decays and measurement of the branching fraction ratio $${\mathcal {B}} ({{B} _{c} ^+} \!\rightarrow {\psi {(2S)}} {{\pi } ^+} )/{\mathcal {B}} ({{B} _{c} ^+} \!\rightarrow {{J \hspace{-1.66656pt}/\hspace{-1.111pt}\psi }} {{\pi } ^+} )
Published in The European physical journal. C, Particles and fields (07-05-2024)“…Abstract The first search for nonresonant $${{B} _{c} ^+} \!\rightarrow {{\pi } ^+} {\mu ^+\mu ^-} $$ B c + → π + μ + μ - decays is reported. The analysis uses…”
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16
Search for the radiative Ξb− → Ξ−γ decay
Published in The journal of high energy physics (14-01-2022)“…A bstract The first search for the rare radiative decay Ξ b − → Ξ − γ is performed using data collected by the LHCb experiment in proton-proton collisions at a…”
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17
Observation of a Resonant Structure near the D s + D s − Threshold in the B + → D s + D s − K + Decay
Published in Physical review letters (01-08-2023)“…An amplitude analysis of the B+→D+sD−sK+ decay is carried out to study for the first time its intermediate resonant contributions, using proton-proton…”
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18
Measurement of the Z boson production cross-section in proton-lead collisions at $$ \sqrt{s_{\textrm{NN}}} $$ = 8.16 TeV
Published in The journal of high energy physics (05-06-2023)“…A bstract This article presents the first measurement of the differential Z -boson production cross-section in the forward region using proton-lead collisions…”
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19
Tracking of charged particles with nanosecond lifetimes at LHCb
Published in The European physical journal. C, Particles and fields (30-07-2024)“…A method is presented to reconstruct charged particles with lifetimes between 10 ps and 10 ns , which considers a combination of their decay products and the…”
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20
Measurement of CP asymmetries in $$ {D}_{(s)}^{+}\to \eta {\pi}^{+} $$ and $$ {D}_{(s)}^{+}\to {\eta}^{\prime }{\pi}^{+} $$ decays
Published in The journal of high energy physics (18-04-2023)“…A bstract Searches for CP violation in the decays $$ {D}_{(s)}^{+}\to \eta {\pi}^{+} $$ D s + → η π + and $$ {D}_{(s)}^{+}\to {\eta}^{\prime }{\pi}^{+} $$ D s…”
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