New coupled-channel approach to nuclear and Coulomb breakup reactions

Details New coupled-channel approach to nuclear and Coulomb breakup reactions New coupled-channel approach to nuclear and Coulomb breakup reactions

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003phrvc..68f4609o&link_type=abstract

Physical Review C, vol. 68, Issue 6, id. 064609

Statistics

Computation

13

Coupled-Channel And Distorted-Wave Models, Breakup And Momentum Distributions, Coulomb Excitation, Solar Neutrinos

Scientific paper

We propose a new method for treating both nuclear and Coulomb breakup processes with high accuracy and computational speed. The scattering amplitude of breakup reaction is decomposed into the lower and higher partial-wave parts. The former is calculated with the continuum-discretized coupled-channels method (CDCC) and the latter with a new version of CDCC in which the trajectory of projectile is assumed to be a straight line. Validity of this hybrid calculation is tested for 58 Ni ( 8B , 7Be +p) 58 Ni at 240 MeV . The hybrid calculation is opening the door to the systematic analysis of 8B dissociation measured at RIKEN, MSU, and GSI, to determine the astrophysical factor S17 (0) accurately.

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