ESTIMATION OF THE BREAKUP CROSS-SECTIONS IN 6He + 12C REACTION WITHIN HIGH-ENERGY APPROXIMATION AND MICROSCOPIC OPTICAL POTENTIAL

Author:

LUKYANOV V. K.1,ZEMLYANAYA E. V.1,LUKYANOV K. V.1

Affiliation:

1. Joint Institute for Nuclear Research, Dubna 141980, Russia

Abstract

The breakup cross-sections in the reaction 6 He + 12 C are calculated at about 40 MeV/nucleon using the high-energy approximation (HEA) and with the help of microscopic optical potentials (OP) of interaction with the target nucleus 12 C of the projectile nucleus fragments 4 He and 2n. Considering the di-neutron h = 2n as a single particle the relative motion hα wave function is estimated so that to explain both the separation energy of h in 6 He and the rms radius of the latter. The stripping and absorbtion total cross-sections are calculated and their sum is compared with the total reaction cross-section obtained within a double-folding microscopic OP for the 6 He + 12 C scattering. It is concluded that the breakup cross-sections contribute to about 50% of the total reaction cross-section.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Nuclear and High Energy Physics

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