Inclusive 2H(3He,t) reaction at 2 GeV
B. Ramstein, C. A. Mosbacher, D. Bachelier, I. Berquist, M. Boivin, J. L. Boyard, A. Brockstedt, L. Carlén, R. Dahl, P. Ekström, C. Ellegaard, C. Gaarde, T. Hennino, J. C. Jourdain, C. Goodman, J. S. Larsen, P. Radvanyi, M. Roy-Stephan
Abstract
The inclusive 2H(3He,t) reaction has been studied at 2 GeV for energy transfers up to 500 MeV and scattering angles from 0.25 up to 4 degrees. Data are well reproduced by a model based on a coupled-channel approach for describing the NN and N Delta systems. The effect of final state interaction is important in the low energy part of the spectra. In the delta region, the cross-section is very sensitive to the effects of Delta-N interaction and Delta N - NN process. The latter has also a large influence well below the pion threshold. The calculation underestimates the experimental cross-section between the quasi-elastic and the delta peaks; this is possibly due to projectile excitation or purely mesonic exchange currents.
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