Elsevier

Nuclear Physics A

Volume 509, Issue 3, 19 March 1990, Pages 630-652
Nuclear Physics A

Light-particle emission and projectile breakup in 35A MeV 12C induced collisions

https://doi.org/10.1016/0375-9474(90)90095-4Get rights and content

Abstract

Inclusive spectra of p, d, t, 3He and 4He from 35A MeV 12C + C, Al, Cu, Au reactions, as well as coincidences between projectile-like fragments and light particles have been measured. The apparent temperature does not seem to depend on the size of the coincident fragment. An independent way to determine source velocities indicates that high-energy protons are emitted from a source with a velocity close to half the beam velocity, even in asymmetric reactions. We observe an in-plane enhancement in the azimuthal angular distributions of coincident projectile-like fragments, which gets stronger with increasing mass of the triggering particle or the fragment. A discussion around momentum conservation effects shows that p * B correlations may originate from a combination of pure projectile breakup and nucleon-nucleon quasi-elastic scattering processes. The correlations observed in less peripheral collisions need the introduction of a second, light-particle emitting source.

References (25)

  • C. Grégoire et al.

    Nucl. Phys.

    (1985)
  • A.S. Goldhaber

    Phys. Lett.

    (1974)
  • A. Lleres et al.
  • N. Brummund et al., Preprint from Inst. für Kernphysik, Univ. of Münster...
  • B. Norén

    Nucl. Phys.

    (1988)
  • G. Caskey

    Phys. Rev.

    (1985)
    G. Caskey

    Phys. Rev.

    (1986)
  • J. Aichelin et al.

    Phys. Rev.

    (1985)
  • C. Guet
  • A. Kristiansson and P. Kristiansson, Cosmic and subatomic physics report LUIP...
  • D. Fox

    Phys. Rev.

    (1987)
    D. Fox

    Phys. Rev.

    (1988)
  • G.D. Westfall

    Phys. Rev. Lett.

    (1976)
  • J. Randrup

    Phys. Lett.

    (1978)
  • Cited by (0)

    View full text