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Article
Open AccessMeasurement of the longitudinal spin transfer to Λ and \(\bar{\varLambda}\) hyperons in polarised muon DIS
The longitudinal polarisation transfer from muons to Λ and \(\bar{\varLambda}\) hyperons,
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Article
Open AccessAzimuthal asymmetries of charged hadrons produced by high-energy muons scattered off longitudinally polarised deuterons
Azimuthal asymmetries in semi-inclusive production of positive (h +) and negative hadrons (h −) have been measured by scattering 160 GeV muons off longitudinally po...
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Article
Open AccessFormation of the S = -1 resonance X(2265) in the reaction pp → X+K+ at 2.50 and 2.85 GeV
Analyzing DISTO data of pp → pΛK + at T p = 2.50 and 2.85GeV to populate a previously reported X(2265) -resonance with M ...
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Article
Open AccessTechnical design report for the \(\overline{P}\) ANDA (AntiProton Annihilations at Darmstadt) Straw Tube Tracker
This document describes the technical layout and the expected performance of the Straw Tube Tracker (STT), the main tracking detector of the ...
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Article
Open AccessExperimental access to Transition Distribution Amplitudes with the P̄ANDA experiment at FAIR
Baryon-to-meson Transition Distribution Amplitudes (TDAs) encoding valuable new information on hadron structure appear as building blocks in the collinear factorized description for several types of hard exclu...
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Article
Open AccessImproved measurement of the absolute branching fraction of \(D^{+}\rightarrow \bar{K}^0 \mu ^{+}\nu _{\mu }\)
By analyzing 2.93 fb \(^{-1}\) ...
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Article
Open AccessFeasibility studies of time-like proton electromagnetic form factors at \(\overline{\rm P}\) ANDA at FAIR
Simulation results for future measurements of electromagnetic proton form factors at \(\overline{\rm P}\) ...
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Article
Open AccessFCC-ee: The Lepton Collider
In response to the 2013 Update of the European Strategy for Particle Physics, the Future Circular Collider (FCC) study was launched, as an international collaboration hosted by CERN. This study covers a highe...
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Article
Open AccessFCC Physics Opportunities
We review the physics opportunities of the Future Circular Collider, covering its e+e-, pp, ep and heavy ion programmes. We describe the measurement capabilities of each FCC component, addressing the study of ele...
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Article
Open AccessFCC-hh: The Hadron Collider
In response to the 2013 Update of the European Strategy for Particle Physics (EPPSU), the Future Circular Collider (FCC) study was launched as a world-wide international collaboration hosted by CERN. The FCC ...
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Article
Open AccessHE-LHC: The High-Energy Large Hadron Collider
In response to the 2013 Update of the European Strategy for Particle Physics (EPPSU), the Future Circular Collider (FCC) study was launched as a world-wide international collaboration hosted by CERN. The FCC ...
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Article
Open AccessObservation of X(2370) and search for X(2120) in \(J/\psi \rightarrow \gamma K{\bar{K}} \eta '\)
Using a sample of \(1.31\times 10^{9} ~J/\psi \)1.31×109J/ψ events collected with the BESIII detector, we perform a study of \(J/\psi \rightarrow \gamma K{\bar{K}}\eta '\)J/ψ→γKK¯η′. X(2370) is observed in the $$...
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Article
Open AccessPrecise measurements of branching fractions for \( {\mathrm{D}}_{\mathrm{s}}^{+} \) meson decays to two pseudoscalar mesons
We measure the branching fractions for seven D s + \( {D}_s^{+} \) two-body decays to pseudo-scalar mesons, by analyzing data collected at s \( \sqrt{s} \) = 4.178 ∼ 4.226 GeV with the BESIII detector...
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Article
Open AccessMeasurement of the absolute branching fraction of the inclusive decay \(\Lambda _c^+ \rightarrow K_S^0X\)
We report the first measurement of the absolute branching fraction of the inclusive decay \(\Lambda _c^+ \rightarrow K_S^0X\)
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Article
Open AccessMeasurement of the D → K−π+π+π− and D → K−π+π0 coherence factors and average strong-phase differences in quantum-correlated \( D\overline{D} \) decays
The decays D → K−π+π+π− and D → K−π+π0 are studied in a sample of quantum-correlated D ...
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Article
Open AccessSearch for the rare semi-leptonic decay J/ψ → D−e+νe + c.c.
Using 10.1 × 109 J/ψ events produced by the Bei**g Electron Positron Collider (BEPCII) at a center-of-mass energy ...
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Article
Open AccessAmplitude analysis and branching-fraction measurement of \( {D}_s^{+}\to {K}_S^0{\pi}^{+}{\pi}^0 \)
By using 6.32 fb−1 of data collected with the BESIII detector at center-of-mass energies between 4.178 and 4.226 GeV, we perform an amplitude analysis of the decay
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Article
Open AccessObservation of e+e− → ηψ(2S) at center-of-mass energies from 4.236 to 4.600 GeV
Using a total of 5.25 fb−1 of e+e− collision data with center-of-mass energies from 4.236 to 4.600 GeV, we report the first observation of the process e+e− → ηψ(2S) with a statistical significance of 4.9 standard...
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Article
Open AccessObservation of the decays χcJ → \( {\mathrm{nK}}_{\mathrm{S}}^0\overline{\Lambda} \) + c.c.
By analyzing 4.48 × 108 ψ(3686) events collected with the BESIII detector, we observe the decays χcJ → ...
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Article
Open AccessMeasurement of branching fractions of J/ψ and ψ(3686) decays to Σ+ and \( \overline{\Sigma} \) −
Using 1310.6 × 106 J/ψ and 448.1 × 106 ψ(3686) events collected with the BESIII detector, the branching fractions of J/ψ decays to Σ+ ...
