Münster 2002 – scientific programme
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HK: Physik der Hadronen und Kerne
HK 40: Electromagnetic and Hadronic Probes V
HK 40.5: Talk
Thursday, March 14, 2002, 15:15–15:30, D
Quasifree bremsstrahlung in the dp→ dpγ reaction above the pion production threshold — •L. Demirörs1, J. Greiff2, Y. Ilyina1, C. Pauly1, and W. Scobel1 — 1Institut für Experimentalphysik, Hamburg University, Luruper Chaussee 149, D–22529 Hamburg — 2The Svedberg Laboratory, Thunbergsvägen 5A, Box 533, S–75121 Uppsala
Experimental results of the dp→ dpγ reaction are presented for several observables with deuteron projectile energies between 437 MeV and 559 MeV. Measurements were initially performed with the PROMICE/WASA setup, located at the CELSIUS storage ring [1]. Due to the limited acceptance of the detector, only a fraction of the phase space was accessible, that revealed a dominance of a quasifree reaction mechanism. To investigate competing mechanisms, recent measurements were carried out with the CELSIUS/WASA setup, which has a nearly 4π–acceptance of the solid angle. Results of both measurements will be shown and discussed.
[1] J. Greiff et al. Phys. Rev. C66 (2002)