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28 March 2024
 
  » arxiv » nucl-ex/9908005

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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 ;
Date 17 Aug 1999
Journal Eur.Phys.J. A6 (1999) 225-233
Subject nucl-ex
Affiliation1 and 4) and M. Roy-Stephan ( I.P.N., Orsay, France, Forschungzentrum, Julich, Germany, Institute of Physics, Sweden, Laboratoire National Saturne France, Niels Bohr Institute, Copenhagen
AbstractThe 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.
Source arXiv, nucl-ex/9908005
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