Exploring fusion at extreme sub-barrier energies with weakly bound nuclei

Results of measurement of residues formed in fusion of (6)Li with (198)Pt in the energy range of 0.68 < E/V(b) < 1.3 using a new sensitive off-beam technique are reported. The fusion excitation function and the derived average angular momenta do not indicate a change of slope at deep sub-barri...

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Bibliographic Details
Published in:Physical review letters 2009-12, Vol.103 (23), p.232702-232702, Article 232702
Main Authors: Shrivastava, A, Navin, A, Lemasson, A, Ramachandran, K, Nanal, V, Rejmund, M, Hagino, K, Ichikawa, T, Bhattacharyya, S, Chatterjee, A, Kailas, S, Mahata, K, Parkar, V V, Pillay, R G, Rout, P C
Format: Article
Language:English
Subjects:
ANGULAR MOMENTUM
BEAMS
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
EVEN-EVEN NUCLEI
EXCITATION FUNCTIONS
FUNCTIONS
HEAVY ION REACTIONS
HEAVY NUCLEI
INTERATOMIC FORCES
ION BEAMS
ISOTOPES
LIGHT NUCLEI
LITHIUM 6
LITHIUM 6 BEAMS
LITHIUM 6 REACTIONS
LITHIUM ISOTOPES
Nuclear Experiment
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEAR REACTIONS
NUCLEI
ODD-ODD NUCLEI
Physics
PLATINUM 198
PLATINUM 198 TARGET
PLATINUM ISOTOPES
STABLE ISOTOPES
TARGETS
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Summary:Results of measurement of residues formed in fusion of (6)Li with (198)Pt in the energy range of 0.68 < E/V(b) < 1.3 using a new sensitive off-beam technique are reported. The fusion excitation function and the derived average angular momenta do not indicate a change of slope at deep sub-barrier energies, contrary to recent observations. The present results for a system with weakly bound projectile confront the current understanding of the fusion hindrance at these low energies, underlying the role of internal reorganization on the dynamical path towards fusion.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.103.232702