APS » PROLA » Phys. Rev. Lett. » Volume 84 » Issue 22

Phys. Rev. Lett. 84, 5066 - 5069 (2000)

Measurement of Excitation Functions in the Reactions 197Au(11C, xn)208-xAt Using a Radioactive 11C Beam
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R. Joosten1, J. Powell1, F. Q. Guo3, P. E. Haustein4, R.-M. Larimer1, M. A. McMahan1, E. B. Norman1, J. P. O'Neil2, M. W. Rowe1, H. F. VanBrocklin2, D. Wutte1, X. J. Xu1, and Joseph Cerny1,3
1Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720
2Life Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720
3Department of Chemistry, University of California, Berkeley, California 94720
4Brookhaven National Laboratory, Upton, New York, 11973

Received 25 January 2000

A light-element radioactive ion-beam capability has been developed at the LBNL 88-Inch Cyclotron. The system is based on the coupled-cyclotrons method and utilizes short-lived species, e.g., 11C, 14O, 13N produced by (p,n) and (p,α) reactions at the LBNL Biomedical Isotope Facility Cyclotron. In a first experiment, 197Au(11C,xn)208-xAt excitation functions have been measured for energies ranging from the Coulomb barrier up to 110 MeV using a beam of 11C with intensities up to (1–2)×108 ions/sec on target. The results of this experiment are compared to measurements of 197Au(12C,xn)209-xAt excitation functions.


©2000 The American Physical Society

URL: http://link.aps.org/abstract/PRL/v84/p5066
DOI: 10.1103/PhysRevLett.84.5066
PACS: 25.60.Dz, 27.20.+n, 29.20.Hm, 29.27.-a

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