Search for structure in the fusion of 28Si+28,30Si and 30Si+30Si

Authors

E. F. Aguilera, University of Notre Dame
J. J. Kolata, University of Notre Dame
Paul DeYoung, Hope CollegeFollow
J. J. Vega, University of Notre Dame

Document Type

Article

Publication Date

1986

Publication Source

Physical Review C

Volume Number

33

Issue Number

6

First Page

1961

Last Page

1970

Publisher

American Physical Society

ISSN

0556-2813

Comments

The article was written by Paul DeYoung during his time at the University of Notre Dame.

Abstract

Excitation functions for the yields of all the residual nuclei from the ²⁸+ ²⁸,30Si and ³⁰Si+ ³⁰Si reactions have been measured via the gamma-ray technique for center of mass energies in the region within one and two times the Coulomb barrier, using steps of 500 keV in the laboratory system. Thirteen nuclides were identified for the first reaction and ten for the other two. While no structure is shown by the data for the ²⁸Si+ ²⁸Si reaction, we have found evidence for intermediate width structure in the 2α and αpn channels in ²⁸Si+ ³⁰Si, and for broad structure in the total fusion cross section for ³⁰Si+ ³⁰Si. Calculations using a barrier penetration model with one free parameter reproduce the average behavior of the fusion cross sections quite well.

Recommended Citation

Published in: Physical Review C, Volume 33, Issue 6, January 1, 1986, pages 1961-1970. Copyright © 1986 American Physical Society, College Park, MD. The final published version is available at: http://dx.doi.org/10.1103/PhysRevC.33.1961