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APS » Journals » Phys. Rev. Lett. » Volume 47 » Issue 18
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Phys. Rev. Lett. 47, 1248–1251 (1981)

Deformability as a Critical Factor in Initiating Fusion between Very Heavy Ions

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H. Sann, R. Bock, Y. T. Chu*, A. Gobbi, and A. Olmi
Gesellschaft für Schwerionenforschung, D-6100 Darmstadt, West Germany

U. Lynen and W. Müller
Max-Planck-Institut für Kernphysik, D-6100 Heidelberg, West Germany

S. Bjørnholm and H. Esbensen
The Niels Bohr Institute, University of Copenhagen and NORDITA, DK-2100 Copenhagen Ø, Denmark

Received 24 February 1981; published in the issue dated 2 November 1981

Fusion reactions are initiated by capture of two incident nuclei to form a quasistable dinuclear complex. Excitation functions for such capture reactions have been measured in bombardments with 208Pb on targets of 26Mg, 27Al, 48Ca, 50Ti, 52Cr, and 58Fe. Compared with standard fusion models, based on the interaction of rigid spheres, the experiments show major deviations. These are explained by a dynamical model that takes deformations induced upon contact into account.

© 1981 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.47.1248
DOI:
10.1103/PhysRevLett.47.1248
PACS:
25.70.Fg, 25.20.-z

*On leave from Institute of Nuclear Physics, Lanchow, People's Republic of China.

 
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