Double differential inclusive hydrogen and helium spectra from neutron-induced reactions on carbon at 27.4, 39.7, and 60.7 MeV

T. S. Subramanian; J. L. Romero; F. P. Brady; J. W. Watson; D. H. Fitzgerald; R. Garrett; G. A. Needham; J. L. Ullmann; C. I. Zanelli; D. J. Brenner; R. E. Prael

doi:10.1103/PhysRevC.28.521

Double differential inclusive hydrogen and helium spectra from neutron-induced reactions on carbon at 27.4, 39.7, and 60.7 MeV

T. S. Subramanian, J. L. Romero, F. P. Brady, J. W. Watson, D. H. Fitzgerald, R. Garrett, G. A. Needham, J. L. Ullmann, C. I. Zanelli, D. J. Brenner, and R. E. Prael

Phys. Rev. C 28, 521 – Published 1 August 1983

Abstract

Double differential cross sections for the neutron-induced production of p, d, t, ${}^{3}{He}$ , and alpha particles from carbon have been measured using unpolarized neutrons. Neutron beam energies of 27.4, 39.7, and 60.7 MeV were used. The charged particle energy spectra at nine laboratory angles—15, 20, 35, 40, 45, 65, 90, 130, and 150 deg—range up to the kinematic maximum, from a lower energy cutoff of 4 MeV for p, d, t, and alpha and 8 MeV for ${}^{3}{He}$ . A CH target was used so that the absolute normalization was obtained simultaneously from the n-p cross sections. Intranuclear cascade plus deexcitation calculations were carried out. The data are compared with these calculations and with available proton induced (charge symmetric) reaction spectra.

NUCLEAR REACTIONS ${}^{12}C (n, p x; d x; {}^{3}H x; {}^{3}{He} x; {}^{4}{He} x)$ , $E_{n} = 27.4, 39.7, 60.7$ MeV; measured $σ (θ; E)$ , $θ_{lab} = 15, 20, 35, 40, 45, 65, 90, 130, 150$ deg. Intranuclear cascade plus deexcitation calculations.

Received 14 January 1983

DOI:https://doi.org/10.1103/PhysRevC.28.521

Authors & Affiliations

T. S. Subramanian^*, J. L. Romero, F. P. Brady, J. W. Watson^†, D. H. Fitzgerald^‡, R. Garrett^§, G. A. Needham^∥, J. L. Ullmann^¶, and C. I. Zanelli

Crocker Nuclear Laboratory and Department of Physics, University of California, Davis, California 95616

D. J. Brenner and R. E. Prael

Los Alamos National Laboratory, Los Alamos, New Mexico 87545

^*Present address: The Radiation Oncology Center for Northern Illinois, Swedish American Hospital, Rockford, IL 61101.
^†Present address: Department of Physics, Kent State University, Kent, OH 44242.
^‡Present address: Department of Physics, University of California at Los Angeles, Los Angeles, CA 90007.
^§Permanent address: Department of Physics, University of Auckland, Auckland, New Zealand.
^∥Present address: Rocketdyne Division, Rockwell, Canoga Park, CA 91304.
^¶Present address: Nuclear Physics Laboratory, University of Colorado, Boulder, CO 80309.

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Vol. 28, Iss. 2 — August 1983

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