Search Results - "M. Borisyak"
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Measurement of the B± production cross-section in pp collisions at s = 7 $$ \sqrt{s}=7 $$ and 13 TeV
Published in The journal of high energy physics (01-12-2017)“…Abstract The production of B ± mesons is studied in pp collisions at centre-of-mass energies of 7 and 13 TeV, using B ± → J/ψ K ± decays and data samples…”
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Measurement of the Y(nS) polarizations in pp collisions at s = 7 $$ \sqrt{s}=7 $$ and 8 TeV
Published in The journal of high energy physics (01-12-2017)“…Abstract The polarization of the Y(1S), Y(2S) and Y(3S) mesons, produced in pp collisions at centre-of-mass energies s=7 $$ \sqrt{s}=7 $$ and 8 TeV, is…”
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Bose-Einstein correlations of same-sign charged pions in the forward region in pp collisions at s = 7 $$ \sqrt{s}=7 $$ TeV
Published in The journal of high energy physics (01-12-2017)“…Abstract Bose-Einstein correlations of same-sign charged pions, produced in proton-proton collisions at a 7 TeV centre-of-mass energy, are studied using a data…”
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Erratum to: Measurement of the J/ψ pair production cross-section in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV
Published in The journal of high energy physics (01-10-2017)Get full text
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Test of lepton universality with B 0 → K 0 ℓ + ℓ − decays
Published in The journal of high energy physics (01-08-2017)“…Abstract A test of lepton universality, performed by measuring the ratio of the branching fractions of the B 0 → K *0 μ + μ − and B 0 → K *0 e + e − decays, R…”
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Resonances and CP violation in B s 0 and B ¯ s 0 → J / ψ K + K − $$ {\overline{B}}_s^0\to J/\psi {K}^{+}{K}^{-} $$ decays in the mass region above the ϕ(1020)
Published in The journal of high energy physics (01-08-2017)“…Abstract The decays of B s 0 and B ¯ s 0 $$ {\overline{B}}_s^0 $$ mesons into the J/ψK + K − final state are studied in the K + K − mass region above the…”
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Observation of the decay B s 0 → η c ϕ and evidence for B s 0 → η c π + π
Published in The journal of high energy physics (01-07-2017)“…Abstract A study of B s 0 → η c ϕ and B s 0 → η c π + π − decays is performed using pp collision data corresponding to an integrated luminosity of 3.0 fb−1,…”
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Observation of the decay Λ b 0 → pK − μ + μ − and a search for CP violation
Published in The journal of high energy physics (01-06-2017)“…Abstract A search for CP violation in the decay Λ b 0 → pK − μ + μ − is presented. This decay is mediated by flavour-changing neutral-current transitions in…”
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Measurements of prompt charm production cross-sections in pp collisions at s = 5 $$ \sqrt{s}=5 $$ TeV
Published in The journal of high energy physics (01-06-2017)“…Abstract Production cross-sections of prompt charm mesons are measured using data from pp collisions at the LHC at a centre-of-mass energy of 5 TeV. The data…”
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10
Measurement of the J/ψ pair production cross-section in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV
Published in The journal of high energy physics (01-06-2017)“…Abstract The production cross-section of J/ψ pairs is measured using a data sample of pp collisions collected by the LHCb experiment at a centre-of-mass energy…”
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11
Search for the B s 0 → η′ϕ decay
Published in The journal of high energy physics (01-05-2017)“…Abstract A search for the charmless B s 0 → η′ϕ decay is performed using pp collision data collected by the LHCb experiment at centre-of-mass energies of 7…”
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12
Study of charmonium production in $${b} $$ b -hadron decays and first evidence for the decay $${{{B}} ^0_{{s}}} \!\rightarrow \phi \phi \phi $$ B s 0 → ϕ ϕ ϕ
Published in The European physical journal. C, Particles and fields (01-09-2017)“…Abstract Using decays to $$\phi $$ ϕ -meson pairs, the inclusive production of charmonium states in $${b} $$ b -hadron decays is studied with pp collision data…”
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Evidence for the two-body charmless baryonic decay B + → p Λ ¯ $$ {B}^{+}\to p\overline{\varLambda}
Published in The journal of high energy physics (01-04-2017)“…Abstract A search for the rare two-body charmless baryonic decay B + → p Λ ¯ $$ {B}^{+}\to p\overline{\varLambda} $$ is performed with pp collision data,…”
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Observation of the suppressed decay Λ b 0 → pπ − μ + μ
Published in The journal of high energy physics (01-04-2017)“…Abstract The suppressed decay Λ b 0 → pπ − μ + μ −, excluding the J/ψ and ψ(2S) → μ + μ − resonances, is observed for the first time with a significance of…”
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New algorithms for identifying the flavour of $${\mathrm {B}} ^0$$ B 0 mesons using pions and protons
Published in The European physical journal. C, Particles and fields (01-04-2017)“…Abstract Two new algorithms for use in the analysis of $$pp$$ p p collision are developed to identify the flavour of $${\mathrm {B}} ^0$$ B 0 mesons at…”
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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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Model-independent evidence for J /ψp contributions to Λb0 →j /ψpK- decays
Published in Physical review letters (18-08-2016)“…The data sample of Λ0b→J/ψpK− decays acquired with the LHCb detector from 7 and 8 TeV pp collisions, corresponding to an integrated luminosity of 3 fb−1, is…”
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Evidence for Exotic Hadron Contributions to Λb0 →j /ψpπ- Decays
Published in Physical review letters (18-08-2016)“…A full amplitude analysis of Λ0b→J/ψpπ− decays is performed with a data sample acquired with the LHCb detector from 7 and 8 TeV pp collisions, corresponding to…”
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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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