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Phys. Rev. C 60, 028801 (1999) [4 pages]

Thick target yields of 26Alg.s. from the 16O(16O,x)26Alg.s. and 16O(14N,x)26Alg.s. reactions

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K. O. Yildiz *, N. P. T. Bateman †, Y. M. Butt ‡, A. A. Chen, K. B. Swartz, and P. D. Parker
Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520-8124

Received 12 January 1999; published 13 July 1999

Extending the earlier work of Bateman et al., we have measured the energy-integrated yield of 26Alg.s. from the 16O(16O,x)26Alg.s. and 16O(14N,x)26Alg.s. reactions. We find that although the yield from the 16O(16O,x)26Alg.s. reaction is several times larger than from the 12C(16O,x)26Alg.s. reaction, the abundance of fossil 26Alg.s. observed in carbonaceous chondrite meteorites could be produced by oxygen-rich cosmic rays via the 16O(16O,x)26Alg.s. reaction only under the improbable scenario that more than 40% of the solar system oxygen was injected into the protosolar nebula as cosmic rays.


©1999 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevC.60.028801
DOI: 10.1103/PhysRevC.60.028801
PACS: 26.40.+r, 25.70.Gh, 96.10.+i, 98.80.Ft

* Present address: Custom One Design Inc., 10 Corey St., Melrose, MA 02176.
† Present address: TRIUMF, 4004 Wesbrook Mall, Vancouver, B.C., Canada V6T 2A3.
‡ Present address: C.F.A., 60 Garden St., Cambridge, MA 02138.

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