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Article
Open AccessImproved measurement of the strong-phase difference \(\delta _D^{K\pi }\) in quantum-correlated \(D{\bar{D}}\) decays
The decay \(D \rightarrow K^-\pi ^+\) D → ...
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Article
Open AccessB-flavor tagging at Belle II
We report on new flavor tagging algorithms developed to determine the quark-flavor content of bottom ( ) mesons at Belle II. The algorithms provide essential inputs for measurement...
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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 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 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 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 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 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
Effects of azimuth-symmetric acceptance cutoffs on the measured asymmetry in unpolarized Drell-Yan fixed-target experiments
Fixed-target unpolarized Drell-Yan experiments often feature an acceptance depending on the polar angle of the lepton tracks in the laboratory frame. Typically leptons are detected in a defined angular range, ...
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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 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 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 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
First exclusive measurements of the K − pp state populated in the pp → K + Λp reaction at 2.85 GeV
We have analyzed data of the DISTO experiment on the exclusive pp → K + Λp process at T p = 2.85 GeV to search for a K ...
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Article
Two-prong πHe interactions at 106 MeV
π-4He interactions at 106MeV, with two secondary charged particles in the final state, have been studied using a self-shunted streamer chamber in a 0.65T magnetic field and equipped with two CCD videocameras for...
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Article
Double spin asymmetry in exclusive ρ0 muoproduction at COMPASS
The longitudinal double spin asymmetry A1 ρ for exclusive leptoproduction of ρ0 mesons, μ+N→μ+N+ρ, is studied using the COMPASS 2002 and 2003 data. The measured reaction is incoherent excl...
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Article
Spin physics with antiprotons
New possibilities arising from the availability at GSI of antiproton beams, possibly polarised, are discussed. The investigation of the nucleon structure can be boosted by accessing in Drell-Yan processes expe...
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Chapter and Conference Paper
Exclusive η production in pp reactions
Angular distributions for the exclusive reaction pp → ppη observed via the π + π − π 0 decay channel have been measured at T bea...
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Article
Exclusive \(\eta\) production in pp reactions
Angular distributions for the exclusive reaction \(pp\rightarrow pp\eta\) observed via the \(\pi^{ + }\pi^{-}\pi^{0}\) decay channel have been m...