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Photoproduction of -mesons off the deuteron
I. Jaegle, T. Mertens, A. Fix +62
Quasi-free photoproduction of mesons off nucleons bound in the deuteron has been measured with the combined Crystal Barrel - TAPS detector. The experiment was done at a tagged…
Measurement of the reaction $γp \TO K^ + Λ(1520)$ at photon energies up to 2.65 GeV
F. W. Wieland, J. Barth, K. -H. Glander +10
The reaction $γp \TO K^+Λ(1520)$ was measured in the energy range from threshold to 2.65 GeV with the SAPHIR detector at the electron stretcher facility ELSA in Bonn. The …
P-wave excited baryons from pion- and photo-induced hyperon production
A. V. Anisovich, E. Klempt, V. A. Nikonov +2
We report evidence for , , , , , and , and find indications that might hav…
Photoproduction of mesons on nuclei near the production threshold
M. Nanova, J. Weil, S. Friedrich +67
The photoproduction of mesons on LH_2, C and Nb has been studied for incident photon energies from 900 to 1300 MeV using the CB/TAPS detector at ELSA. The line shape does n…
In-medium mass from the reaction
TAPS Collaboration, M. Nanova, V. Metag +65
Data on the photoproduction of mesons on nuclei have been re-analyzed in a search for in-medium modifications. The data were taken with the Crystal Barrel(CB)/TAPS detector sys…
Measurement of the Beam Asymmetry in the Forward Direction for pi0 Photoproduction
N. Sparks, V. Crede, A. V. Anisovich +57
Photoproduction of neutral pions has been studied with the CBELSA/TAPS detector for photon energies between 0.92 and 1.68~GeV at the electron accelerator ELSA. The beam asymmetry~$…
Baryon Spectroscopy and the Origin of Mass
Eberhard Klempt
The proton mass arises from spontaneous breaking of chiral symmetry and the formation of constituent quarks. Their dynamics cannot be tested by proton tomography but only by studyi…