Namjoshi, L. V. ; Gupta, S. K. ; Mehta, Madhukar Kapilrai ; Kerekatte, S. S. (1976) Resonance spectroscopy of 30Si nucleus in the excitation energy range 14.27 to 15.02 MeV Physical Review C, 13 (3). pp. 915-921. ISSN 0556-2813
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Official URL: http://prc.aps.org/abstract/PRC/v13/i3/p915_1
Related URL: http://dx.doi.org/10.1103/PhysRevC.13.915
Abstract
Absolute differential cross sections for the elastic scattering of a particles from 26Mg have been measured as a function of bombarding energy between 4.18 and 5.14 MeV at angles corresponding to the c.m. angles 90°, 125°, 141°, and 167°. The data have been analyzed using the multilevel multichannel expression of R matrix theory modified to replace the background hard sphere phase shifts by complex optical model phase shifts. These phase shifts have been obtained by fitting the averaged cross section with the optical model. This modification has resulted in reasonably good fits to excitation functions both in magnitude and shape. Twelve levels in the compound nucleus 30Si have been identified and their spins, parities, and widths have been determined. The possibility of the 0+ levels being fragmented components of a quartet parent state has been discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| Keywords: | Nuclear Reactions 26Mg(α,α) E=4.18-5.14 MeV; Measured σ(θ,E), θc.m.=90°,125°,141°,167°; 30Si Levels, Deduced Γα, γα2, Jπ; Modified two Channel-multilevel R Matrix Analysis |
| ID Code: | 21515 |
| Deposited On: | 22 Nov 2010 11:14 |
| Last Modified: | 04 Mar 2011 12:13 |
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