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Phys. Rev. C 71, 064315 (2005) [9 pages]

Test of 45Sc level densities with proton resonances

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S. J. Lokitz* and G. E. Mitchell
North Carolina State University, Raleigh, North Carolina 27695, USA and Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA

J. F. Shriner,Jr.
Tennessee Technological University, Cookeville, Tennessee 38505, USA

Received 23 March 2005; published 23 June 2005

A high resolution measurement of the cross sections of the 44Ca(p,p0) and 44Ca(p,p1) reactions was performed over the energy range Ep=2.50-3.53 MeV. A total of 809 resonances were observed. The purity and completeness of the 45Sc data were tested with a variety of statistical analyses. These analyses suggest that the 1/2+ and 1/2- resonance sequences are the most pure and complete ever measured. The resulting level densities are ρ(1/2)+=127-8+7 MeV-1 and ρ(1/2-)=132-9+8 MeV-1; there is no evidence of parity dependence of the level density of J=1/2 states at Ex=10 MeV in 45Sc.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.71.064315
DOI:
10.1103/PhysRevC.71.064315
PACS:
21.10.Ma, 24.30.-v, 25.40.Cm

*Current address: Duke University Medical Center Durham, NC 27708-3949, USA; Electronic address: stephen.lokitz@duke.edu

Electronic address: mitchell@tunl.duke.edu

Electronic address: jshriner@tntech.edu