Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1997-09-13
Phys.Atom.Nucl. 61 (1998) 361-374; Yad.Fiz. 61N3 (1998) 421-434
Physics
Nuclear Physics
Nuclear Theory
24 pages, Latex, 8 Postscript figures, to be published in Yad. Fiz. 1998
Scientific paper
The deuteron break-up exclusive reaction $p+d \to N(180^{\circ}) + (NN)(0^{\circ})$ is considered in the framework of the one-nucleon-exchange mechanism at the incident proton kinetic energy 0.2--2 GeV and the relative energy of nucleons in the forward going final NN-pair $E_{NN}=0$--20 MeV, that is close to the kinematical conditions of the planned experiment at COSY. The off-energy-shell effects resulting, in particular, in the node of the half-off-shell $^1S_0$-state partial NN-scattering amplitude and the role of higher partial waves in the subprocess $pN\to pN$ are analysed and found to be very important, especially for the reaction $p+d \to n(180^{\circ}) + (pp)(0^{\circ})$. The accuracy of some approximate relations between the cross sections of elastic $pd$-scattering and deuteron break-up is examined in the framework of the mechanism in question.
Smirnov Vladimir A.
Uzikov Yu. N.
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