A. Kupsc

activity

19972022

σ (e^{+} e^{-} \to π^{+} π^{-} γ) / σ (e^{+} e^{-} \to μ^{+} μ^{-} γ)

and determination of the

π^{+} π^{-}

contribution to the muon anomaly with the KLOE detector

169 citations · 413 across the 15 of their papers we have counts for

collaborators

15 papers

hep-ex2022★ 8 cited

Study of $η (1405) / η (1475)$ in $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +567

Using a sample of $(10.09 \pm 0.04) \times 1 0^{9}$ $J / ψ$ decays collected with the BESIII detector, partial wave analyses of the decay $J / ψ \to γ K_{S}^{0} K_{S}^{0} π^{0}$ are performed w…

nucl-ex2018★ 3 cited

On the Production of an Isotensor Dibaryon in the $pp \to pp π^{+} π^{-}$ Reaction

P. Adlarson, W. Augustyniak, W. Bardan +81

Exclusive measurements of the quasi-free $pp \to pp π^{+} π^{-}$ reaction have been performed by means of $p d$ collisions at $T_{p}$ = 1.2 GeV using the WASA detector setup at COSY. Total…

nucl-ex2017★ 1 cited

Isoscalar Single-Pion Production in the Region of Roper and $d^{*} (2380)$ Resonances

COSY Collaboration, P. Adlarson, W. Augustyniak +90

Exclusive measurements of the quasi-free $p n \to pp π^{-}$ and $pp \to pp π^{0}$ reactions have been performed by means of $p d$ collisions at $T_{p}$ = 1.2 GeV using the WASA detector setu…

hep-ex2016★ 4 cited

Feasibility studies of time-like proton electromagnetic form factors at PANDA at FAIR

PANDA Collaboration, B. Singh, W. Erni +502

Simulation results for future measurements of electromagnetic proton form factors at \PANDA (FAIR) within the PandaRoot software framework are reported. The statistical precision w…

nucl-ex2014★ 76 cited

Measurement of the $n p \to n p π^{0} π^{0}$ Reaction in Search for the Recently Observed $d^{*} (2380)$ Resonance

P. Adlarson, W. Augustyniak, W. Bardan +99

Exclusive measurements of the quasi-free $n p \to n p π^{0} π^{0}$ reaction have been performed by means of $d p$ collisions at $T_{d}$ = 2.27 GeV using the WASA detector setup at COSY. Total…

hep-ex2012★ 169 cited

Precision measurement of $σ (e^{+} e^{-} \to π^{+} π^{-} γ) / σ (e^{+} e^{-} \to μ^{+} μ^{-} γ)$ and determination of the $π^{+} π^{-}$ contribution to the muon anomaly with the KLOE detector

KLOE, KLOE-2 Collaborations, : +74

We have measured the ratio $σ (e^{+} e^{-} \to π^{+} π^{-} γ) / σ (e^{+} e^{-} \to μ^{+} μ^{-} γ)$ , with the KLOE detector at DA $Φ$ NE for a total integrated luminosity of $\sim$ 240 pb $^{- 1}$ .…

nucl-ex2009★ 2 cited

The pd --> ^3He eta pi0 reaction at T_p = 1450 MeV

K. Schoenning, Chr. Bargholtz, M. Bashkanov +44

The cross section for the pd --> ^3He eta pi0 reaction has been measured at a beam energy of 1450 MeV using the WASA detector at the CELSIUS storage ring and detecting one ^3He and…

nucl-ex2009★ 30 cited

Exclusive Measurements of pp -> dpi+pi0: Double-Pionic Fusion without ABC Effect

F. Kren, M. Bashkanov, D. Bogoslawsky +37

Exclusive measurements of the reaction pp -> dpi+pi0 have been carried out at T_p = 1.1 GeV at the CELSIUS storage ring using the WASA detector. The isovector pi+pi0 channel exhibi…

nucl-ex2008★ 40 cited

Measurement of the eta->3pi0 Dalitz Plot Distribution with the WASA Detector at COSY

COSY Collaboration

In the first production run of the WASA experiment at COSY, the eta decay into three neutral pions was measured in proton-proton interactions at a proton beam kinetic energy of 1.4…

hep-ex2007

Leptonic decays of the eta meson with the WASA detector at CELSIUS

M. Berlowski, H. Calen, K. Fransson +3

Decay channels of the eta meson with at least one lepton pair in the final state are discussed. Preliminary results on electron-positron pair production from the pd->He eta reactio…

hep-ex2006★ 18 cited

Measurement of the eta->pi+pi-e+e- decay branching ratio

WASA Collaboration, Chr. Bargholtz, M. Bashkanov +48

The reaction pd->3He eta at threshold was used to provide a clean source of eta mesons for decay studies with the WASA detector at CELSIUS. The branching ratio of the decay eta->pi…

nucl-ex2006★ 10 cited

The pp -> pp pi pi pi reaction channels in the threshold region

WASA Collaboration, C. Pauly, M. Jacewicz +42

The cross section for prompt neutral and charged three pion production in pp interactions was measured at excess energies in the range 160 - 217 MeV. That comprises the first measu…

nucl-ex2002★ 13 cited

Search for Narrow NNpi Resonances in Exclusive p p -> p p pi+ pi- Measurements

W. Brodowski, J. Paetzold, R. Bilger +26

Narrow structures in the range of a few MeV have been searched for in p p pi+ and p p pi- invariant mass spectra obtained from exclusive measurements of the p p -> p p pi+ pi- reac…

nucl-ex1998★ 39 cited

Higher Partial Waves in p+p->p+p+eta near Threshold

H. Calen, J. Dyring, G. Faldt +35

Exclusive measurements of the production of eta mesons in the p+p->p+p+eta reaction have been carried out at excess energies of 16 and 37 MeV above threshold. The deviations from p…

hep-ph1997

Rare decays of η-meson: the background of ρ- and ω- mesons

S. Kullander, H. Calén, K. Fransson +7

The problem of $ρ$ - and $ω$ - mesons contributions to the background for $η \to π^{0} e^{+} e^{-}$ decay and to the asymmetries in the decays $η \to π^{+} π^{-} π^{0}$ and $η \to π^{+} π^{-} γ$ is consider…

Study of η(1405)/η(1475) in J/ψ→γKS0​KS0​π0 decay

On the Production of an Isotensor Dibaryon in the pp→ppπ+π− Reaction

Isoscalar Single-Pion Production in the Region of Roper and d∗(2380) Resonances