Search Results - "Schertz, A. M."
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First Measurement of Near-Threshold J/ψ Exclusive Photoproduction off the Proton
Published in Physical review letters (16-08-2019)“…We report on the measurement of the γp→J/ψp cross section from E_{γ}=11.8 GeV down to the threshold at 8.2 GeV using a tagged photon beam with the GlueX…”
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Search for photoproduction of axion-like particles at GlueX
Published 24-03-2022“…Phys. Rev. D 105, 052007 (2022) We present a search for axion-like particles, $a$, produced in photon-proton collisions at a center-of-mass energy of…”
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3
Modification of χ_{c1}(3872) and ψ(2S) Production in pPb Collisions at sqrts_{NN}=8.16 TeV
Published in Physical review letters (14-06-2024)“…The LHCb Collaboration measures production of the exotic hadron χ_{c1}(3872) in proton-nucleus collisions for the first time. Comparison with the charmonium…”
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Amplitude Analysis of the B^{0}→K^{0}μ^{+}μ^{-} Decay
Published in Physical review letters (29-03-2024)“…An amplitude analysis of the B^{0}→K^{*0}μ^{+}μ^{-} decay is presented using a dataset corresponding to an integrated luminosity of 4.7 fb^{-1} of pp…”
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Fraction of χ_{c} Decays in Prompt J/ψ Production Measured in pPb Collisions at sqrt[s_{NN}]=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_{χ_{c}→J/ψ}=σ_{χ_{c}→J/ψ}/σ_{J/ψ}, is measured by the LHCb detector in pPb collisions at…”
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Observation of Cabibbo-Suppressed Two-Body Hadronic Decays and Precision Mass Measurement of the Ω_{c}^{0} Baryon
Published in Physical review letters (23-02-2024)“…The first observation of the singly Cabibbo-suppressed Ω_{c}^{0}→Ω^{-}K^{+} and Ω_{c}^{0}→Ξ^{-}π^{+} decays is reported, using proton-proton collision data at…”
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Enhanced Production of Λ_{b}^{0} Baryons in High-Multiplicity pp Collisions at sqrt[s]=13 TeV
Published in Physical review letters (23-02-2024)“…The production rate of Λ_{b}^{0} baryons relative to B^{0} mesons in pp collisions at a center-of-mass energy sqrt[s]=13 TeV is measured by the LHCb…”
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Improved Measurement of CP Violation Parameters in B_{s}^{0}→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_{s}^{0}→J/ψ(→μ^{+}μ^{-})K^{+}K^{-} decays is measured using proton-proton collision data, corresponding to an…”
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9
Measurement of CP Violation in B^{0}→ψ(→ℓ^{+}ℓ^{-})K_{S}^{0}(→π^{+}π^{-}) Decays
Published in Physical review letters (12-01-2024)“…A measurement of time-dependent CP violation in the decays of B^{0} and B[over ¯]^{0} mesons to the final states J/ψ(→μ^{+}μ^{-})K_{S}^{0},…”
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Precision Measurement of CP Violation in the Penguin-Mediated Decay B_{s}^{0}→ϕϕ
Published in Physical review letters (27-10-2023)“…A flavor-tagged time-dependent angular analysis of the decay B_{s}^{0}→ϕϕ is performed using pp collision data collected by the LHCb experiment at the…”
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Observation of New Baryons in the Ξ_{b}^{-}π^{+}π^{-} and Ξ_{b}^{0}π^{+}π^{-} Systems
Published in Physical review letters (27-10-2023)“…The first observation and study of two new baryonic structures in the final state Ξ_{b}^{0}π^{+}π^{-} and the confirmation of the Ξ_{b}(6100)^{-} state in the…”
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12
Measurement of the Λ_{b}^{0}→Λ(1520)μ^{+}μ^{-} Differential Branching Fraction
Published in Physical review letters (13-10-2023)“…The branching fraction of the rare decay Λ_{b}^{0}→Λ(1520)μ^{+}μ^{-} is measured for the first time, in the squared dimuon mass intervals q^{2}, excluding the…”
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13
Search for prompt production of pentaquarks in charm hadron final states
Published 02-08-2024“…Phys. Rev. D 110 (2024) 032001 A search for hidden-charm pentaquark states decaying to a range of $\Sigma_{c}\bar{D}$ and $\Lambda_{c}\bar{D}$ final states, as…”
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14
An Upper Limit on the Photoproduction Cross Section of the Spin-Exotic $\pi_1(1600)
Published 03-07-2024“…The spin-exotic hybrid meson $\pi_{1}(1600)$ is predicted to have a large decay rate to the $\omega\pi\pi$ final state. Using 76.6~pb$^{-1}$ of data collected…”
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15
Measurement of Spin-Density Matrix Elements in $\Delta^{++}(1232)$ photoproduction
Published 18-06-2024“…We measure the spin-density matrix elements (SDMEs) of the $\Delta^{++}(1232)$ in the photoproduction reaction $\gamma p \to \pi^-\Delta^{++}(1232)$ with the…”
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16
Curvature-bias corrections using a pseudomass method
Published 06-04-2024“…JINST 19 (2024) P03010 Momentum measurements for very high momentum charged particles, such as muons from electroweak vector boson decays, are particularly…”
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Helium identification with LHCb
Published 06-02-2024“…JINST 19 (2024) P02010 The identification of helium nuclei at LHCb is achieved using a method based on measurements of ionisation losses in the silicon sensors…”
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Momentum scale calibration of the LHCb spectrometer
Published 06-02-2024“…2024 JINST 19 P02008 For accurate determination of particle masses accurate knowledge of the momentum scale of the detectors is crucial. The procedure used to…”
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Study of the Bose-Einstein correlations of same-sign pions in proton-lead collisions
Published 11-10-2023“…JHEP 09 (2023) 172 Correlations of same-sign charged particles are analysed using proton-lead collision data collected by the LHCb experiment at a…”
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Measurement of Spin-Density Matrix Elements in $\rho(770)$ Production with a Linearly Polarized Photon Beam at $E_\gamma = 8.2\,-\,8.8\,\text{GeV}
Published 15-05-2023“…Phys. Rev. C 108, 055204 (2023) The GlueX experiment at Jefferson Lab studies photoproduction of mesons using linearly polarized $8.5\,\text{GeV}$ photons…”
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