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Nuclear Interaction Cross Sections for UltraHeavy Nuclei

Garrard, T. L. and Cummings, J. R. and Geer, L. Y. and Klarmann, J. and Nilsen, B. S. and Waddington, C. J. (1995) Nuclear Interaction Cross Sections for UltraHeavy Nuclei. In: Proceedings of the 24th International Cosmic Ray Conference. Vol.2. International Union of Pure and Applied Physics , pp. 192-195.

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We summarize additions to our data base of charge-changing cross sections for relativistic ultraheavy nuclei interacting in targets ranging from H to Pb. We have improved parametric fits to those cross sections as functions of energy and of projectile, target, and fragment charge. At high energies, we have determined cross sections for Au projectiles at 10.6 GeV /nucleon in targets of H, CH_2, C, Al, Cu, Sn, and Pb. Compared with cross sections at 1 GeV /n, fragment production is substantially changed, especially for the H target. These changes have important implications for calculations of interstellar propagation of ultraheavy nuclei. At lower energies, we have added Kr and Ag to our list of projectiles. Analysis of these data has led to a better understanding of the systematics of these cross sections, hence more physically meaningful parameterizations for fragmentation at high energies and for charge pickup.

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Additional Information:© IUPAP. Provided by the NASA Astrophysics Data System. E. C. Stone and B. W. Gauld of Caltech and W. R. Binns of Washington University contributed significantly. The facilities of the LBL Bevalac and the BNL AGS, and the tremendous support of many inclividuals at those facilities are gratefully acknowledged. This work has been supported in part by NASA and DOE.
Group:Space Radiation Laboratory
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Department of Energy (DOE)UNSPECIFIED
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Space Radiation Laboratory1995-32
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:46368
Deposited By: Deborah Miles
Deposited On:26 Jun 2014 21:04
Last Modified:03 Oct 2019 06:43

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