Chemistry Nexus

by WebElements: the periodic table on the web

The results of cross-section measurements for the reactions 209Bi(12C,X)Au, E=4.8 and 25.2 GeV and 209Bi(20Ne,X)Au, E=8.0 GeV are reported. The observed yields of the gold isotopes show a similar dependence on mass number for each reaction, differing slightly in the position of the centroid of the distribution. As the projectile energy increases, the inferred excitation energy of the primary residues remains the same or decreases slightly. This observation is in agreement with the predictions of the intranuclear cascade model of relativistic heavy ion collisions.

NUCLEAR REACTIONS 209Bi(12C,X)Au, E=4.8,25.2 GeV; 209Bi(20Ne,X)Au, E=8.0 GeV; measured Au isotopic distributions, relativistic heavy ions, target fragmentation, Ge(Li) spectroscopy.1

References

1. Aleklett, K., D. J. Morrissey, W. Loveland, P. L. McGaughey, and G. T. Seaborg, “Energy dependence of  Bi 209 fragmentation in relativistic nuclear collisions“, Phys. Rev. C., 1981, 23, 1044, http://dx.doi.org/10.1103/PhysRevC.23.1044.

December 17th, 2009

Posted In: Chemistry, Nuclear chemistry

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