Microscopic-macroscopic features in fusion reactions involving light systems

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Experimental results obtained at Argonne and elsewhere for the fusion cross-section energy dependence for light to medium weight systems are presented. The most notable features in these data are the observation of (1) oscillatory structure in the fusion cross section excitation function for those systems involving the most tightly bound nuclei in the 1p shell and (2) sudden increases in the maximum fusion cross section for systems which involved nuclei differing only by one or two nucleons. Comparisons of the experimental cross-section behaviors in both the low-energy and high-energy regions with macroscopic model predictions show that significant discrepancies exist. The ... continued below

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Pages: 61

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Kovar, D G January 1, 1977.

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Description

Experimental results obtained at Argonne and elsewhere for the fusion cross-section energy dependence for light to medium weight systems are presented. The most notable features in these data are the observation of (1) oscillatory structure in the fusion cross section excitation function for those systems involving the most tightly bound nuclei in the 1p shell and (2) sudden increases in the maximum fusion cross section for systems which involved nuclei differing only by one or two nucleons. Comparisons of the experimental cross-section behaviors in both the low-energy and high-energy regions with macroscopic model predictions show that significant discrepancies exist. The possible importance of the structure of the projectile and target on this cross-section behavior is discussed. From these data it appears that there is ample evidence that the detailed structure of the projectile and target play an important role in the fusion process. These results indicate that more high-quality data sensitive to these ''microscopic'' features, and theoretical calculations which attempt to include the detailed structure of the interacting ions are needed for progress in understanding these phenomena.

Physical Description

Pages: 61

Notes

Dep. NTIS, PC A04/MF A01.

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  • Symposium on macroscopic features of heavy-ion collisions and pre-equilibrium processes, Hakone, Japan, 2 Sep 1977

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  • Report No.: CONF-770927-3
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 5366918
  • Archival Resource Key: ark:/67531/metadc1070272

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 1977

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • April 17, 2018, 2:34 p.m.

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Kovar, D G. Microscopic-macroscopic features in fusion reactions involving light systems, article, January 1, 1977; Illinois. (digital.library.unt.edu/ark:/67531/metadc1070272/: accessed December 13, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.