Search Results - "Rolf, D L"
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1
First Observation of a Doubly Charged Tetraquark and Its Neutral Partner
Published in Physical review letters (28-07-2023)“…A combined amplitude analysis is performed for the decays B^{0}→D[over ¯]^{0}D_{s}^{+}π^{-} and B^{+}→D^{-}D_{s}^{+}π^{+}, which are related by isospin…”
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2
Measurement of the Ratios of Branching Fractions R ( D ) and R ( D 0 )
Published in Physical review letters (15-09-2023)“…The ratios of branching fractions $R(D*)$ ≡ $B(\overline{B} → D*τ^-\overline{ν}_μ$)/$B$($\overline{B}$ → $D*μ^-\overline{ν}_μ$) and $R$($D$0) ≡ $B$($B$- →…”
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3
Observation of New Ωc0 States Decaying to the Ξc+K- Final State
Published in Physical review letters (29-09-2023)“…Two new excited states, Ωc(3185)0 and Ωc(3327)0, are observed in the $Ξ^{+}_{c}$K- invariant-mass spectrum using proton-proton collision data collected by the…”
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4
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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5
Improved Measurement of CP Violation Parameters in Bs0→J/ψK+K− Decays in the Vicinity of the ϕ(1020) Resonance
Published in Physical review letters (02-02-2024)“…The decay-time-dependent CP asymmetry in $B^0_s→J/ψ(→μ^+μ^–)K^+K^–$ decays is measured using proton-proton collision data, corresponding to an integrated…”
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6
Open charm production and asymmetry in pNe collisions at sNN=68.5GeV
Published in The European physical journal. C, Particles and fields (01-06-2023)“…A measurement of D 0 meson production by the LHCb experiment in its fixed-target configuration is presented. The production of D 0 mesons is studied with a…”
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7
Measurement of J/ψ-pair production in pp collisions at 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 s = 13 TeV is measured using a data sample…”
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8
Search for CP violation in the phase space of D0→KS0K±π∓ 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 → K S 0 K + π − and D 0 → K S 0 K − π + decays is reported. The search is performed using an unbinned…”
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9
Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states
Published in The journal of high energy physics (16-10-2024)“…A bstract The decays of the χ b1 (1P), χ b2 (1P), χ b1 (2P) and χ b2 (2P) mesons into the Υ(1S)μ + μ − final state are observed with a high significance using…”
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10
Modification of χc1(3872) and ψ(2S) Production in pPb Collisions at √sNN = 8.16 TeV
Published in Physical review letters (13-06-2024)“…The LHCb Collaboration measures production of the exotic hadron χc1(3872) in proton-nucleus collisions for the first time. Comparison with the charmonium…”
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11
Modification of χc1(3872) and ψ(2S) Production in pPb Collisions at √sNN = 8.16 TeV
Published in Physical review letters (13-06-2024)“…The LHCb Collaboration measures production of the exotic hadron χc1(3872) in proton-nucleus collisions for the first time. Comparison with the charmonium…”
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12
Associated production of prompt J/ψ and Υ mesons in pp collisions at s = 13 TeV
Published in The journal of high energy physics (01-08-2023)“…A bstract The associated production of prompt J/ψ and Υ mesons in pp collisions at a centre-of-mass energy of s = 13 TeV is studied using LHCb data,…”
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13
Study of Bc+ meson decays to charmonia plus multihadron final states
Published in The journal of high energy physics (26-07-2023)“…A bstract Four decay modes of the B c + meson into a J/ψ meson and multiple charged kaons or pions are studied using proton-proton collision data, collected…”
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14
Measurement of CP asymmetries and branching fraction ratios of B− decays to two charm mesons
Published in The journal of high energy physics (28-09-2023)“…A bstract The CP asymmetries of seven B − decays to two charm mesons are measured using data corresponding to an integrated luminosity of 9 fb − 1 of…”
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15
Fraction of χc Decays in Prompt J/ψ Production Measured in pPb Collisions at sNN=8.16 TeV
Published in Physical review letters (08-03-2024)“…The fraction of $χ$c1 and $χ$c2 decays in the prompt $J/ψ$ yield, $F$χc→J/ψ = σχc→J/ψ/σJ/ψ, is measured by the LHCb detector in $p$ Pb collisions at…”
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16
Comprehensive analysis of local and nonlocal amplitudes in the B0→ K0μ+μ− decay
Published in The journal of high energy physics (05-09-2024)“…A bstract A comprehensive study of the local and nonlocal amplitudes contributing to the decay B 0 → K *0 (→ K + π − ) μ + μ − is performed by analysing the…”
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Measurement of prompt D+ and Ds+ production in pPb collisions at sNN = 5.02 TeV
Published in The journal of high energy physics (15-01-2024)“…A bstract The production of prompt D + and D s + mesons is studied in proton-lead collisions at a centre-of-mass energy of s NN = 5 . 02 TeV. The data sample…”
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18
First observation of the Λb0→ D+D−Λ decay
Published in The journal of high energy physics (16-07-2024)“…A bstract The Λ b 0 → D + D − Λ decay is observed for the first time using proton-proton collision data collected by the LHCb experiment at a center-of-mass…”
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19
Search for the Bs0→ μ+μ−γ decay
Published in The journal of high energy physics (11-07-2024)“…A bstract A search for the fully reconstructed B s 0 → μ + μ − γ decay is performed at the LHCb experiment using proton-proton collisions at s = 13 TeV…”
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20
Amplitude analysis of the Λb0→pK−γ decay
Published in The journal of high energy physics (18-06-2024)“…A bstract The resonant structure of the radiative decay Λ b 0 → pK − γ in the region of proton-kaon invariant-mass up to 2.5 GeV/ c 2 is studied using…”
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