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Bochum 1998 – scientific programme

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HK: Hadronen und Kerne

HK 27: Hadronic Probes III, Particle Production

HK 27.4: Talk

Tuesday, March 17, 1998, 15:15–15:30, C

Exclusive Measurements of Single Pion Production Processes ppdπ+ and pppnπ+ at WASA/PROMICE — •A. Betsch1, R. Bilger1, W. Brodowski1, H. Clement1, M. Schepkin2, G.J. Wagner1, and M. Wisskirchen11Physikalisches Institut der Universität Tübingen, Auf der Morgenstelle 14, D-72076 Tübingen — 2ITEP Moscow — for the WASA/PROMICE Collaboration

Exclusive measurements of the single-pion production reactions ppdπ+ and pppnπ+ have been performed with the WASA/PROMICE detector at CELSIUS in the energy range 350 MeV ≤ Tp ≤ 420 MeV. These reactions are very well suited for calibration and performance checks of detector and accelerator. In particular the pppnπ+ reaction provides continuum π+ spectra, which allow a detailed study of the detector response to pions. However, aside from these features the pnπ+ channel is also very interesting from the physics point of view. As we will demonstrate, the measured particle spectra manifest strong influences from Δ production and nucleon-nucleon final state interaction in the reaction process.
supported by BMBF (06 TU 886), DFG (Graduiertenkolleg, Mu 705/3) and DAAD

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