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Published October 1983 | Published
Journal Article Open

Inversion formula for the internucleus potential using sub-barrier fusion cross sections


Subject to the assumption that sub-barrier fusion is described by an effective one-dimensional energy-independent local potential barrier, the Jeffreys-Wentzel-Kramers-Brillouin approximation for the fusion cross sections is inverted to determine this effective potential. Potential barriers, with their associated experimental errors, are presented for ^(13)C+^(13)C and ^(40)Ca+^(40)Ca, and the assumption of a local effective potential is shown to be inadequate for ^(64)Ni+^(64)Ni.

Additional Information

© 1983 The American Physical Society. Received 6 June 1983; published in the issue dated October 1983. The authors are grateful to Philip Siemens for his hospitality at North Zulch, Texas, where this collaborative effect was initiated. J. W. Negele gratefully acknowledges fellowship support by the John Simon Guggenheim Memorial Foundation. This work was supported in part through funds provided by the U.S. Department of Energy (DOE) under Contract DE-AC02-76 ER03069 and the National Science Foundation under Grants PHY79-23638 and PHY82-07332.

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