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Phys. Rev. C 56, 3210–3215 (1997)

0+ to 0- transition in the 16O(p,n)16F reaction at 79 MeV

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R. Madey1,2, B. S. Flanders1,3, B. D. Anderson1, A. R. Baldwin1, W. Bertozzi4, T. Chittrakarn1, J. R. Comfort5, J. M. Finn6, C. C. Foster7, C. Hyde-Wright8, J. J. Kelly9, C. Lebo1, H. Orihara10, W. Pairsuwan1, and J. W. Watson1
1Department of Physics, Kent State University, Kent, Ohio 44242
2Department of Physics, Hampton University, Hampton, Virginia 23668
3Department of Physics, The American University, Washington, D.C. 20016
4Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
5Department of Physics, Arizona State University, Tempe, Arizona 85287
6Department of Physics, College of William and Mary, Williamsburg, Virginia 23185
7Indiana University Cyclotron Facility, Bloomington, Indiana 47405
8Department of Physics, Old Dominion University, Norfolk, Virginia 23529
9Department of Physics, University of Maryland, College Park, Maryland 20742
10Cyclotron and Radioisotope Center, Tohoku University, Sendai 980, Japan

Received 5 August 1997; published in the issue dated December 1997

The isovector 0+ to 0- transition in the 16O(p,n)16F (g.s.) reaction was studied at 79 MeV. Differential cross sections were extracted for the transitions to the low-lying complex of 0-, 1-, 2-, and 3- states in 16F at 12 laboratory angles from 0.3° to 63° which correspond to momentum transfers from 0.21 to 2.0 fm-1. An energy resolution of 140 keV (FWHM) was achieved which was sufficient to separate the yields for each of these four states. Distorted-wave-impulse-approximation (DWIA) calculations were performed and compared with the extracted cross sections for these four transitions. The DWIA calculations with the effective interaction of Franey and Love provide a good description of the experimental measurements for the 0- transition at low momentum transfer, but overestimate the data at larger momentum transfer. The experimental results for the 1-, 2-, and 3- transitions are described reasonably well by the DWIA calculations.

© 1997 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.56.3210
DOI:
10.1103/PhysRevC.56.3210
PACS:
25.40.Ep, 27.20.+n, 25.40.Kv
 
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