Search Results - "Heinsius, F. H."
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Precise Measurement of the e^{+}e^{-}→π^{+}π^{-}J/ψ Cross Section at Center-of-Mass Energies from 3.77 to 4.60 GeV
Published in Physical review letters (01-03-2017)“…The cross section for the process e^{+}e^{-}→π^{+}π^{-}J/ψ is measured precisely at center-of-mass energies from 3.77 to 4.60 GeV using 9 fb^{-1} of data…”
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Observation of a Near-Threshold Structure in the K^{+} Recoil-Mass Spectra in e^{+}e^{-}→K^{+}(D_{s}^{-}D^{0}+D_{s}^{-}D^{0})
Published in Physical review letters (11-03-2021)“…We report a study of the processes of e^{+}e^{-}→K^{+}D_{s}^{-}D^{*0} and K^{+}D_{s}^{*-}D^{0} based on e^{+}e^{-} annihilation samples collected with the…”
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3
Polarization and entanglement in baryon–antibaryon pair production in electron–positron annihilation
Published in Nature physics (01-07-2019)“…Particles directly produced at electron–positron colliders, such as the J / ψ meson, decay with relatively high probability into a baryon–antibaryon pair 1 …”
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Study of e^{+}e^{-}→γωJ/ψ and Observation of X(3872)→ωJ/ψ
Published in Physical review letters (14-06-2019)“…We study the e^{+}e^{-}→γωJ/ψ process using 11.6 fb^{-1} e^{+}e^{-} annihilation data taken at center-of-mass energies from sqrt[s]=4.008 GeV to 4.600 GeV…”
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Precise Measurements of Decay Parameters and CP Asymmetry with Entangled Λ-Λ[over ¯] Pairs
Published in Physical review letters (23-09-2022)“…Not provided…”
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Study of Open-Charm Decays and Radiative Transitions of the X (3872)
Published in Physical review letters (19-06-2020)“…The processes X(3872) ... , and γD+D− are searched for in a 9.0 fb−1 data sample collected at center-of-mass energies between 4.178 and 4.278 GeV with the…”
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Complete Measurement of the Λ Electromagnetic Form Factors
Published in Physical review letters (20-09-2019)“…The exclusive process e+e−→ΛΛ¯, with Λ→pπ− and Λ¯→p¯π+, has been studied at s=2.396 GeV for measurement of the timelike Λ electric and magnetic form factors,…”
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Measurement of the Cross Section for e^{+}e^{-}→Ξ^{-}Ξ[over ¯]^{+} and Observation of an Excited Ξ Baryon
Published in Physical review letters (24-01-2020)“…Using a total of 11.0 fb^{-1} of e^{+}e^{-} collision data with center-of-mass energies between 4.009 and 4.6 GeV and collected with the BESIII detector at…”
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Model-Independent Determination of the Spin of the Ω^{-} and Its Polarization Alignment in ψ(3686)→Ω^{-}Ω[over ¯]^{+}
Published in Physical review letters (05-03-2021)“…We present an analysis of the process ψ(3686)→Ω^{-}Ω[over ¯]^{+} (Ω^{-}→K^{-}Λ, Ω[over ¯]^{+}→K^{+}Λ[over ¯], Λ→pπ^{-}, Λ[over ¯]→p[over ¯]π^{+}) based on a…”
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Measurement of the Cross Section for e^{+}e^{-}→Hadrons at Energies from 2.2324 to 3.6710 GeV
Published in Physical review letters (11-02-2022)“…Based on electron-positron collision data collected with the BESIII detector operating at the Beijing Electron-Positron Collider II storage rings, the value of…”
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Evidence of Two Resonant Structures in e^{+}e^{-}→π^{+}π^{-}h_{c}
Published in Physical review letters (03-03-2017)“…The cross sections of e^{+}e^{-}→π^{+}π^{-}h_{c} at center-of-mass energies from 3.896 to 4.600 GeV are measured using data samples collected with the BESIII…”
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12
Observation of a New Narrow Axial-Vector Meson a1(1420)
Published in Physical review letters (21-08-2015)“…The COMPASS Collaboration at CERN has measured diffractive dissociation of 190 GeV/c pions into the π(-)π(-)π(+) final state using a stationary hydrogen…”
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13
Observation of a State X(2600) in the π^{+}π^{-}η' System in the Process J/ψ→γπ^{+}π^{-}η'
Published in Physical review letters (22-07-2022)“…Not provided…”
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Measurements of Absolute Branching Fractions of Fourteen Exclusive Hadronic D Decays to η
Published in Physical review letters (19-06-2020)“…Using 2.93 fb −1 of e+e− collision data taken at a center-of-mass energy of 3.773 GeV with the BESIII detector, we report the first measurements of the…”
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Observation of a New X(3872) Production Process e^{+}e^{-}→ωX(3872)
Published in Physical review letters (14-04-2023)“…Using 4.7 fb^{-1} of e^{+}e^{-} collision data at center-of-mass energies from 4.661 to 4.951 GeV collected by the BESIII detector at the BEPCII collider, we…”
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Observation of J / ψ Electromagnetic Dalitz Decays to X ( 1835 ) , X ( 2120 ) , and X ( 2370 )
Published in Physical review letters (08-07-2022)“…Using a sample of about 10(10) J/Psi events collected at a center-of-mass energy root s = 3.097 GeV with the BESIII detector, the electromagnetic Dalitz decays…”
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PANDA Phase One
Published in The European physical journal. A, Hadrons and nuclei (2021)“…The Facility for Antiproton and Ion Research (FAIR) in Darmstadt, Germany, provides unique possibilities for a new generation of hadron-, nuclear- and atomic…”
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Precision Measurement of the Decay Σ^{+}→pγ in the Process J/ψ→Σ^{+}Σ[over ¯]^{-}
Published in Physical review letters (26-05-2023)“…Using (10 087±44)×10^{6} J/ψ events collected with the BESIII detector, the radiative hyperon decay Σ^{+}→pγ is studied at an electron-positron collider…”
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Measurements of the Electric and Magnetic Form Factors of the Neutron for Timelike Momentum Transfer
Published in Physical review letters (14-04-2023)“…We present the first measurements of the electric and magnetic form factors of the neutron in the timelike (positive q^{2}) region as function of four-momentum…”
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Measurement of the Absolute Branching Fraction and Decay Asymmetry of Λ → n γ
Published in Physical review letters (18-11-2022)“…Not provided…”
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