Fragmentation of O16 and O18 projectiles

S. L. Tabor, L. C. Dennis, K. W. Kemper, J. D. Fox, K. Abdo, G. Neuschaefer, D. G. Kovar, and H. Ernst
Phys. Rev. C 24, 960 – Published 1 September 1981
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Abstract

The energy spectra of particles lighter than the beam have been measured following the bombardment of C12, Al27, and Ti46 targets with 72 MeV O16 beams and 72 and 141 MeV O18 beams. All the spectra exhibit broad continuum peaks centered at approximately the beam velocity. The shapes of these continuum structures are rather well reproduced by a fragmentation model which assumes that the unobserved fragment is transferred to the target and which contains no adjustable parameters. The O18 fragmentation spectra on the three targets are very similar in shape. The total yield of fragmentation products is about the same for the O16 and O18 beams at 72 MeV, although the Z distribution of strength differs. On the other hand, the fragmentation yield of O18 increases by a factor of 5 when the beam energy is raised from 72 to 141 MeV, but the relative Z distribution of strength remains constant.

NUCLEAR REACTIONS C12, Al27, Ti46(O16,X) and (O18,X), X=Li,Be,B,C,N, E=72 and 141 MeV; measured dσdΩ(E,θ).

  • Received 24 March 1981

DOI:https://doi.org/10.1103/PhysRevC.24.960

©1981 American Physical Society

Authors & Affiliations

S. L. Tabor, L. C. Dennis, K. W. Kemper, J. D. Fox, K. Abdo*, and G. Neuschaefer

  • Department of Physics, Florida State University, Tallahassee, Florida 32306

D. G. Kovar and H. Ernst

  • Physics Division, Argonne National Laboratory, Argonne, Illinois 60439

  • *Permanent address: Department of Physics, Faculty of Science, University of Cairo, Giza, Egypt.

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Vol. 24, Iss. 3 — September 1981

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