A systematic study of the fusion barriers using different proximity type potentials for $N = Z$ colliding nuclei: New extensions - INSPIRE

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A systematic study of the fusion barriers using different proximity type potentials for $N = Z$ colliding nuclei: New extensions

Ishwar Dutt
(
- Panjab U.
)
,
Rajeev K. Puri
(
- Panjab U.
)

Apr, 2010

11 pages

Published in:

Phys.Rev.C 81 (2010) 044615

e-Print:

1004.0493 [nucl-th]

DOI:

10.1103/PhysRevC.81.044615

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Abstract: (arXiv)

By using 14 different versions and parametrizations of a proximity potential and two new versions of the potential proposed in this paper, we perform a comparative study of fusion barriers by studying 26 symmetric reactions. The mass asymmetry

\eta_{A}

=

(\frac{A_{2}-A_{1}}{A_{2}+A_{1}}),

however, is very large. Our detailed investigation reveals that most of the proximity potentials reproduce experimental data within

\pm

8% on the average. A comparison of fusion cross sections indicates that Bass 80, AW 95, and Denisov DP potentials have a better edge than other potentials. We also propose new versions of the proximity potential as well as Denisov parametrized potential. These new versions improve the agreement with the data.

25.70.Jj
24.10.-i

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