Production of medium-weight isotopes by fragmentation in 750 A MeV $^{238}$U on $^{208}$Pb collisions - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles European Physical Journal A Year : 1998

Production of medium-weight isotopes by fragmentation in 750 A MeV $^{238}$U on $^{208}$Pb collisions

J. Benlliure
  • Function : Author
P. Armbruster
  • Function : Author
C. Boeckstiegel
  • Function : Author
H. Geissel
  • Function : Author
A. Heinz
  • Function : Author
C. Kozhuharov
  • Function : Author
G. Muenzenberg
  • Function : Author
M. Pfuetzner
  • Function : Author
K.-H. Schmidt
  • Function : Author
K. Suemmerer
  • Function : Author
W. Schwab
  • Function : Author
B. Voss
  • Function : Author

Abstract

Projectile fragmentation of U-238 in lead target was investigated at a bombarding energy of 750 A MeV. Isotopic production cross sections of about 250 different projectile fragments in the element range Z = 30-53 were measured with the FRagment Separator (FRS). The magnetic selection and the kinematical analysis of the measured isotopes allowed to disentangle fission and fragmentation residues. The mass loss of these residues indicates a violent collision where a large amount of energy is dissipated. The position of the fragmentation corridor defined by the measured residues aas used to determine an effective proton-evaporation barrier.
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Dates and versions

in2p3-00014305 , version 1 (23-11-1998)

Identifiers

  • HAL Id : in2p3-00014305 , version 1

Cite

J. Benlliure, P. Armbruster, M. Bernas, C. Boeckstiegel, S. Czajkowski, et al.. Production of medium-weight isotopes by fragmentation in 750 A MeV $^{238}$U on $^{208}$Pb collisions. European Physical Journal A, 1998, 2, pp.193-198. ⟨in2p3-00014305⟩
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