Search Results - "Blago, M. P"
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Evidence of a J/ψΛ structure and observation of excited Ξ- states in the Ξb-→J/ψΛK- decay
Published in Science bulletin (Beijing) (15-07-2021)“…[Display omitted] First evidence of a structure in the J/ψΛ invariant mass distribution is obtained from an amplitude analysis of Ξb-→J/ψΛK- decays. The…”
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Observation of Multiplicity Dependent Prompt χc1 (3872) and ψ(2S) Production in pp Collisions
Published in Physical review letters (05-03-2021)“…The production of χc1(3872) and ψ(2S) hadrons is studied as a function of charged particle multiplicity in p p collisions at a center-of-mass energy of 8 TeV,…”
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3
Measurement of the Time-Integrated CP Asymmetry in D0 → K-K+ Decays
Published in Physical review letters (01-09-2023)“…The time-integrated CP asymmetry in the Cabibbo-suppressed decay D0 → K-K+ is measured using proton-proton collision data, corresponding to an integrated…”
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Measurement of the Ωc0 Baryon Lifetime
Published in Physical review letters (31-08-2018)“…We report a measurement of the lifetime of the Ωc0 baryon using proton-proton collision data at center-of-mass energies of 7 and 8 TeV, corresponding to an…”
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Observation of a New Excited Ds+ Meson in B0 → D−D+K+π− Decays
Published in Physical review letters (26-03-2021)“…Using pp collision data corresponding to an integrated luminosity of 5.4 fb−1 collected with the LHCb detector at a center-of-mass energy of 13 TeV, the B0 →…”
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Observation of a J /ΨΛ Resonance Consistent with a Strange Pentaquark Candidate in B - → J /ψΛ( p )over-bar Decays
Published in Physical review letters (17-07-2023)“…An amplitude analysis of B- -> J/psi Lambda(p) over bar decays is performed using 4400 signal candidates selected on a data sample of pp collisions recorded…”
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First Observation of the Radiative Decay Λb0→Λγ
Published in Physical review letters (15-07-2019)“…The radiative decay Λb0→Λγ is observed for the first time using a data sample of proton-proton collisions corresponding to an integrated luminosity of 1.7 …”
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High rate tests of the photon detection system for the LHCb RICH Upgrade
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-12-2017)“…The photon detection system for the LHCb RICH Upgrade consists of an array of multianode photomultiplier tubes (MaPMTs) read out by custom-built modular…”
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9
Modification of χ c 1 ( 3872 ) and ψ ( 2 S ) Production in p Pb Collisions at s NN = 8.16 TeV
Published in Physical review letters (01-06-2024)“…The LHCb Collaboration measures production of the exotic hadron χ c 1 ( 3872 ) in proton-nucleus collisions for the first time. Comparison with the charmonium…”
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Search for CP violation in D (s) + â K - K + K + decays
Published in The journal of high energy physics (07-07-2023)“…A search for direct CP violation in the Cabibbo-suppressed decay D-s(+) -> K-K+ K+ and in the doubly Cabibbo-suppressed decay D+ -> K- K+ K+ is reported…”
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Amplitude analysis of the $$ {\Lambda}_{\textrm{b}}^0\to {\textrm{pK}}^{-}\upgamma $$ decay
Published in The journal of high energy physics (18-06-2024)“…A bstract The resonant structure of the radiative decay $$ {\Lambda}_b^0\to {pK}^{-}\gamma $$ Λ b 0 → pK − γ in the region of proton-kaon invariant-mass up to…”
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Fraction of χ c Decays in Prompt J / ψ Production Measured in p Pb Collisions at s NN = 8.16 TeV
Published in Physical review letters (01-03-2024)“…The fraction of χ c 1 and χ c 2 decays in the prompt J / ψ yield, F χ c → J / ψ = σ χ c → J / ψ / σ J / ψ , is measured by the LHCb detector in p Pb collisions…”
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Measurements of the branching fraction ratio B(ϕ→μ+μ−)/B(ϕ→e+e−) with charm meson decays
Published in The journal of high energy physics (24-05-2024)“…Measurements of the branching fraction ratio B(ϕ→μ+μ−)/B(ϕ→e+e−) with Ds +→π+ϕ and D+→ π+ϕ decays, denoted Rϕπ s and Rϕπ d, are presented. The analysis is…”
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Multiplicity dependence of σψ(2S)/σJ/ψ in pp collisions at $$ \sqrt{s} $$ = 13 TeV
Published in The journal of high energy physics (22-05-2024)“…A bstract The ratio of production cross-sections of ψ (2 S ) over J/ψ mesons as a function of charged-particle multiplicity in proton-proton collisions at a…”
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Enhanced Production of Λ b 0 Baryons in High-Multiplicity p p Collisions at s = 13 TeV
Published in Physical review letters (01-02-2024)“…The production rate of Λ b 0 baryons relative to B 0 mesons in p p collisions at a center-of-mass energy s = 13 TeV is measured by the LHCb experiment. The…”
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Improved Measurement of C P Violation Parameters in B s 0 → J / ψ K + K − Decays in the Vicinity of the ϕ ( 1020 ) Resonance
Published in Physical review letters (01-02-2024)“…The decay-time-dependent C P asymmetry in B s 0 → J / ψ ( → μ + μ − ) K + K − decays is measured using proton-proton collision data, corresponding to an…”
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First observation and branching fraction measurement of the $$ {\Lambda}_b^0\to {D}_s^{-}p $$ decay
Published in The journal of high energy physics (10-07-2023)“…A bstract The first observation of the $$ {\Lambda}_b^0\to {D}_s^{-}p $$ Λ b 0 → D s − p decay is presented using proton-proton collision data collected by the…”
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Prompt and nonprompt ψ(2S) production in pPb collisions at $$ \sqrt{s_{\textrm{NN}}} $$ = 8.16 TeV
Published in The journal of high energy physics (19-04-2024)“…A bstract The production of ψ (2 S ) mesons in proton-lead collisions at a centre-of-mass energy per nucleon pair of $$ \sqrt{s_{\textrm{NN}}} $$ s NN = 8 . 16…”
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Search for CP violation in the phase space of $$ {D}^0\to {K}_S^0{K}^{\pm }{\pi}^{\mp } $$ decays with the energy test
Published in The journal of high energy physics (19-03-2024)“…A bstract A search for CP violation in $$ {D}^0\to {K}_S^0{K}^{+}{\pi}^{-} $$ D 0 → K S 0 K + π − and $$ {D}^0\to {K}_S^0{K}^{-}{\pi}^{+} $$ D 0 → K S 0 K − π…”
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