100 citations · 308 across the 13 of their papers we have counts for
11 papers · 1 filter
Polarization observables in double neutral pion photoproduction
TAPS Collaboration, T. Seifen, J. Hartmann +73
Measurements of target asymmetries and double-polarization observables for the reaction are reported. The data were taken with the CBELSA/TAPS experiment at the ELS…
Observation of a structure in the M invariant mass distribution near 1700 MeV/ in the reaction
V. Metag, M. Nanova, J. Hartmann +74
The reaction has been studied with the CBELSA/TAPS detector at the electron stretcher accelerator ELSA in Bonn for incident photon energies from threshold…
Observation of the Cusp in the New Precise Beam Asymmetry Data for
TAPS Collaboration
Data on the beam asymmetry in the photoproduction of mesons off protons are reported for tagged photon energies from 1130 to 1790 MeV (mass range from 1748 MeV to …
Measurement of the Charge-Averaged Elastic Lepton-Proton Scattering Cross Section by the OLYMPUS Experiment
J. C. Bernauer, A. Schmidt, B. S. Henderson +67
We report the first measurement of the average of the electron-proton and positron-proton elastic scattering cross sections. This lepton charge-averaged cross section is insensitiv…
New data on with polarized photons and protons and their implications for decays
J. Müller, J. Hartmann, M. Grüner +86
The polarization observables , and in photoproduction of mesons off protons are measured for photon energies from threshold to MeV (), 2280 MeV ($E…
Measurement of the Helicity Asymmetry for the reaction
TAPS collaboration, M. Gottschall, F. Afzal +66
A measurement of the double-polarization observable for the reaction is reported. The data were taken with the CBELSA/TAPS experiment at the ELSA facility in Bonn…
Photoproduction of eta mesons from the neutron: cross sections and double polarization observable E
L. Witthauer, M. Dieterle, F. Afzal +70
Photoproduction of mesons from neutrons} \abstract{Results from measurements of the photoproduction of mesons from quasifree protons and neutrons are summarized. The experi…
Hard Two-Photon Contribution to Elastic Lepton-Proton Scattering: Determined by the OLYMPUS Experiment
B. S. Henderson, L. D. Ice, D. Khaneft +67
The OLYMPUS collaboration reports on a precision measurement of the positron-proton to electron-proton elastic cross section ratio, , a direct measure of the contribution o…
Double-polarization observable G in neutral-pion photoproduction off the proton
A. Thiel, H. Eberhardt, M. Lang +69
This paper reports on a measurement of the double-polarization observable G in photoproduction off the proton using the CBELSA/TAPS experiment at the ELSA accelerator in Bonn…
The polarization observables T, P, and H and their impact on multipoles
J. Hartmann, H. Dutz, A. V. Anisovich +76
Data on the polarization observables T, P, and H for the reaction are reported. Compared to earlier data from other experiments, our data are more precise and extend t…
The N(1520) 3/2- helicity amplitudes from an energy-independent multipole analysis based on new polarization data on photoproduction of neutral pions
J. Hartmann, H. Dutz, A. V. Anisovich +74
New data on the polarization observables T, P, and H for the reaction are reported. The results are extracted from azimuthal asymmetries when a transversely polarized…