Lateral ejection of low energy protons in high energy heavy-ion collisions

Y. Kitazoe; H. Toki; Y. Yamamura; S. Nagamiya; M. Sano

doi:10.1103/PhysRevC.37.641

Abstract

We study the angular distributions of low energy protons for various multiplicity cuts in $E_{L}$ =0.8 GeV/nucleon heavy nuclear collisions in terms of the nuclear cascade model. The differential cross sections for low energy protons ( $E_{c}$ <100 MeV, with $E_{c}$ being the proton energy in the center-of-mass frame) in the lateral direction move up relatively with respect to those in the forward direction as the multiplicity cut increases. For the case of La+La collisions, for example, the differential cross section becomes maximum at $θ_{c}$ =90° above the multiplicity cut M>60.

Received 5 December 1986

DOI:https://doi.org/10.1103/PhysRevC.37.641

Authors & Affiliations

Y. Kitazoe

Center of Medical Information Science, Kochi Medical School, Nankoku, Kochi 781-51, Japan

H. Toki

Department of Physics, Tokyo Metropolitan University, Setagaya, Tokyo 158, Japan

Y. Yamamura

Department of Applied Physics, Okayama College of Science, Ridaicho, Okayama 700, Japan

S. Nagamiya

Department of Physics, University of Tokyo, Hongo, Bunkyoku, Tokyo 113, Japan

M. Sano

Institute of Nuclear Study, University of Tokyo, Midoricho, Tanashi, Tokyo 188, Japan

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Physical Review C

covering nuclear physics