108 citations · 317 across the 14 of their papers we have counts for
14 papers
Phase Measurement for Driven Spin Oscillations in a Storage Ring
N. Hempelmann, V. Hejny, J. Pretz +65
This paper reports the first simultaneous measurement of the horizontal and vertical components of the polarization vector in a storage ring under the influence of a radio frequenc…
Phase locking the spin precession in a storage ring
N. Hempelmann, V. Hejny, J. Pretz +66
This letter reports the successful use of feedback from a spin polarization measurement to the revolution frequency of a 0.97 GeV/ bunched and polarized deuteron beam in the Coo…
Production of eta and 3pi mesons in the pd->3HeX reaction at 1360 and 1450 MeV
K. Schoenning, Chr. Bargholtz, M. Bashkanov +43
The cross sections of the pd -> 3He eta, pd -> 3He pi0 pi0 pi0 and pd -> 3He pi+ pi- pi0 reactions have been measured at beam kinetic energies T_p= 1360 MeV and T_p= 1450 MeV using…
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…
Exclusive measurement of two-pion production in the dd --> 4Hepipi reaction
S. Keleta, Chr. Bargholtz, M. Bashkanov +46
The results from the first kinematically complete measurement of the dd --> 4Hepipi reaction are reported. The aim was to investigate a long standing puzzle regarding the origin of…
Production of the omega meson in the pd --> 3He omega reaction at 1450 MeV and 1360 MeV
K. Schonning, Chr. Bargholtz, M. Bashkanov +46
The production of mesons in the He reaction has been studied at two energies near the kinematic threshold, MeV and MeV. The differential c…
Polarisation of the omega meson in the pd-->3He+omega reaction at 1360 and 1450 MeV
K. Schonning, Chr. Bargholtz, M. Bashkanov +46
The tensor polarisation of omega mesons produced in the pd-->3He+omega reaction has been studied at two energies near threshold. The 3He nuclei were detected in coincidence with th…
The WASA Detector Facility at CELSIUS
Chr. Bargholtz, M. Bashkanov, M. Berłowski +81
The WASA 4pi multidetector system, aimed at investigating light meson production in light ion collisions and eta meson rare decays at the CELSIUS storage ring in Uppsala is present…
Measurement of eta meson decays into lepton-antilepton pairs
WASA Collaboration, M. Berłowski, Chr. Bargholtz +50
A search for rare lepton decays of the eta meson was performed using the WASA detector at CELSIUS. Two candidates for double Dalitz decay eta->e+e-e+e- events are reported with a b…
Measurement of the Slope Parameter for the eta->3pi0 Decay in the pp->pp eta Reaction
M. Bashkanov, D. Bogoslawsky, H. Calén +41
The CELSIUS/WASA setup is used to measure the 3pi0 decay of eta mesons produced in pp interactions with beam kinetic energies of 1.36 and 1.45 GeV. The efficiency-corrected Dalitz…
Anisotropy in the pion angular distribution of the reaction pp -> pp pi0 at 400 MeV
P. Thorngren Engblom, S. Negasi Keleta, F. Cappellaro +23
The reaction pp -> pp pi0 was studied with the WASA detector at the CELSIUS storage ring. The center of mass angular distribution of the pi0 was obtained by detection of the gamma…
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…
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…
Proposal for the Wide Angle Shower Apparatus (WASA) at COSY-Juelich - "WASA at COSY"
COSY Collaboration, B. Hoistad, J. Ritman
This document describes the physics case, the key experiments proposed and the technical solution for the project "WASA at COSY", which concerns the transfer of the WASA pellet-tar…