Interpretation of fission-fragment angular distributions in heavy-ion fusion reactions

Fission-fragment angular distributions in a number of heavy-ion--induced fusion reactions are explained on the basis that for composite systems with fission barrier heights comparable to their intrinsic temperatures, a fraction of the fission events take place before the fused system equilibrates fu...

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Veröffentlicht in:	Phys. Rev. Lett.; (United States) 1985-01, Vol.54 (3), p.178-181
Hauptverfasser:	Ramamurthy, VS, Kapoor, SS
Format:	Artikel
Sprache:	eng
Schlagworte:	651916 > Nuclear Properties & Reactions, A=190-219, Theoretical-- Spontaneous & Induced Fission-- (-1987) ANGULAR DISTRIBUTION CHARGED-PARTICLE REACTIONS COMPOUND-NUCLEUS REACTIONS DISTRIBUTION ENERGY RANGE FISSION FISSION BARRIER FISSION FRAGMENTS FLUORINE 19 REACTIONS FUSION REACTIONS HEAVY ION REACTIONS LEAD 208 TARGET MAGNESIUM 24 REACTIONS MEV RANGE MEV RANGE 100-1000 NUCLEAR FRAGMENTS NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEAR POTENTIAL NUCLEAR REACTIONS POTENTIALS SILICON 28 REACTIONS SULFUR 32 REACTIONS TARGETS 651915 > Nuclear Properties & Reactions, A=190-219, Theoretical-- Nuclear Reactions & Scattering-- (-1987)
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Zusammenfassung:	Fission-fragment angular distributions in a number of heavy-ion--induced fusion reactions are explained on the basis that for composite systems with fission barrier heights comparable to their intrinsic temperatures, a fraction of the fission events take place before the fused system equilibrates fully in the K degree of freedom. A value of about 8 x 10/sup -21/ s is deduced for the characteristic time for K equilibration.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.54.178