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Charge-pickup by Heavy Relativistic Nuclei

Nilsen, B. S. and Waddington, C. J. and Binns, W. R. and Cummings, J. R. and Garrard, T. L. and Geer, L. Y. and Klarmann, J. (1994) Charge-pickup by Heavy Relativistic Nuclei. Physical Review C, 50 (2). pp. 1065-1076. ISSN 0556-2813. doi:10.1103/PhysRevC.50.1065.

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In the interactions of relativistic heavy projectile nuclei with target nuclei there is a measurable probability for the projectile nuclei to pick up a charge during the interaction. We report here new measurements, made in a wide range of targets, of the cross sections for charge-pickup of gold nuclei with energies of 10.6 GeV/nucleon, and of silver and krypton nuclei with energies between 1.4 and 0.5 GeV/nucleon. The excitation functions of these cross sections are discussed using all the measurements available to us and indicate that there are significant decreases in the cross sections as the energies increase. A weak target dependence is seen. Previously these cross sections have been reported to have a strong, approximately quadratic, dependence on the projectile mass. This conclusion has to be modified in the light of these new measurements. Instead, we suggest that the cross sections show a strong exponential dependence on either the fractional neutron excesses or, equivalently, on the neutron to nucleon ratios of the projectile nuclei.

Item Type:Article
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Binns, W. R.0000-0001-6110-3407
Additional Information:© 1994 The American Physical Society. (Received 7 March 1994) This work was partially supported by grants from NASA and DOE. We thank E. C. Stone for support, Dana Beavis and the staff of BNL for making the AGS exposure possible, and Hank Crawford and the staff of the Bevalac for making the LBL exposures possible.
Group:Space Radiation Laboratory
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Department of Energy (DOE)UNSPECIFIED
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Space Radiation Laboratory1994-05
Issue or Number:2
Record Number:CaltechAUTHORS:20140523-092704083
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45898
Deposited By: Deborah Miles
Deposited On:28 May 2014 19:22
Last Modified:10 Nov 2021 17:17

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