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Phys. Rev. C 63, 024608 (2001) [10 pages]

Zero degree polarization transfer measurements for the 13C(p→,n→)13N reaction at 197 MeV and empirical Gamow-Teller strength distribution

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X. Wang, J. Rapaport, M. Palarczyk *, C. Hautala, and X. Yang
Ohio University, Athens, Ohio 45701

D. L. Prout †
Department of Physics, Kent State University, Kent, Ohio 44242

I. Van Heerden ‡
Indiana University Cyclotron Facility, Bloomington, Indiana 47405

R. Howes and S. Parks
Ball State University, Muncie, Indiana 47306

E. Sugarbaker
The Ohio State University, Columbus, Ohio 43210

B. A. Brown
Michigan State University, East Lansing, Michigan 48824

Received 18 September 2000; published 22 January 2001

In this paper, we present differential cross sections and complete sets of polarization transfer coefficients, Dij, obtained in the 13C(p→,n→)13N reaction studied at zero degree and at 197 MeV incident proton energy. The complete set of polarization observables is used to obtain the Fermi and Gamow-Teller (GT) cross section contributions in the ground state transition, which are then used to deduce GT transition strengths. The sum of the GT strength up to 20 MeV of excitation is compared with shell model calculations. In the region between 20 to 46 MeV of excitation, the differential cross section has been separated in spin and nonspin components.


©2001 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevC.63.024608
DOI: 10.1103/PhysRevC.63.024608
PACS: 25.40.Kv, 24.10.Eq

* Permanent address: Henryk Niewodniczański Institute of Nuclear Physics, 31-342 Kraków, Poland.
† Permanent address: U.S. DOE Remote Sensing Laboratory, Las Vegas, NV 89115.
‡ Permanent address: University of the Western Cape, South Africa.

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