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

A. Shrivastava; A. Navin; A. Lemasson; K. Ramachandran; V. Nanal; M. Rejmund; K. Hagino; T. Ichikawa; S. Bhattacharyya; A. Chatterjee; S. Kailas; K. Mahata; V. V. Parkar; R. G. Pillay; P. C. Rout

doi:10.1103/PhysRevLett.103.232702

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

A. Shrivastava, A. Navin, A. Lemasson, K. Ramachandran, V. Nanal, M. Rejmund, K. Hagino, T. Ichikawa, S. Bhattacharyya, A. Chatterjee, S. Kailas, K. Mahata, V. V. Parkar, R. G. Pillay, P. C. Rout

Research output: Contribution to journal › Article › peer-review

47 Citations (Scopus)

Abstract

Results of measurement of residues formed in fusion of Li6 with Pt198 in the energy range of 0.68<E/Vb<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.

Original language	English
Article number	232702
Journal	Physical review letters
Volume	103
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevLett.103.232702
Publication status	Published - 2009 Dec 3
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.103.232702

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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. (2009). Exploring fusion at extreme sub-barrier energies with weakly bound nuclei. Physical review letters, 103(23), [232702]. https://doi.org/10.1103/PhysRevLett.103.232702

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, VV, Pillay, RG & Rout, PC 2009, 'Exploring fusion at extreme sub-barrier energies with weakly bound nuclei', Physical review letters, vol. 103, no. 23, 232702. https://doi.org/10.1103/PhysRevLett.103.232702

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abstract = "Results of measurement of residues formed in fusion of Li6 with Pt198 in the energy range of 0.68<E/Vb<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.",

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AU - Shrivastava, A.

AU - Navin, A.

AU - Lemasson, A.

AU - Ramachandran, K.

AU - Nanal, V.

AU - Rejmund, M.

AU - Hagino, K.

AU - Ichikawa, T.

AU - Bhattacharyya, S.

AU - Chatterjee, A.

AU - Kailas, S.

AU - Mahata, K.

AU - Parkar, V. V.

AU - Pillay, R. G.

AU - Rout, P. C.

PY - 2009/12/3

Y1 - 2009/12/3

N2 - Results of measurement of residues formed in fusion of Li6 with Pt198 in the energy range of 0.68<E/Vb<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.

AB - Results of measurement of residues formed in fusion of Li6 with Pt198 in the energy range of 0.68<E/Vb<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.

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

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