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APS » Journals » Phys. Rev. C » Volume 73 » Issue 6
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Phys. Rev. C 73, 064606 (2006) [11 pages]

Comprehensive study of reaction mechanisms for the 9Be+144Sm system at near- and sub-barrier energies

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P. R. S. Gomes1,*, I. Padron1,2, E. Crema3, O. A. Capurro4, J. O. Fernández Niello4, A. Arazi4, G. V. Martí4, J. Lubian1, M. Trotta5, A. J. Pacheco4, J. E. Testoni4, M. D. Rodríguez4, M. E. Ortega4, L. C. Chamon3, R. M. Anjos1, R. Veiga1, M. Dasgupta6, D. J. Hinde6, and K. Hagino7
1Instituto de Física, Universidade Federal Fluminense, Avenida Litoranea s/n, Gragoatá, Niterói, RJ 24210-340, Brazil
2Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear (CEADEN), Playa, Ciudad de la Habana, Cuba
3Departamento de Física Nuclear, Universidade de São Paulo, Caixa Postal 66318, 05315-970, São Paulo, SP, Brazil
4Laboratorio Tandar, Departamento de Física, Comisión Nacional de Energía Atómica, Avenida del Libertador 8250 (1429), Buenos Aires, Argentina
5INFN-Sezione di Napoli, I-80126, Napoli, Italy
6Department of Nuclear Physics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 0200, Australia
7Department of Physics, Tohoku University, Sendai 980-8578, Japan

Received 20 February 2006; published 28 June 2006

The delayed x-ray detection technique was used to measure complete and incomplete fusion cross sections for the 9Be+144Sm reaction at sub- and near-barrier energies. Elastic and inelastic scattering for this system were also measured. Reaction cross sections were derived and the transfer cross sections of one neutron were calculated. The suppression of complete fusion above the barrier, of the order of 10%, is attributed to 9Be breakup and is considerably smaller than the value of 30% found for the 9Be+208Pb system.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.73.064606
DOI:
10.1103/PhysRevC.73.064606
PACS:
25.70.Jj, 25.70.Mn, 24.10.Eq, 25.60.Gc

*Corresponding author; E-mail: paulogom@if.uff.br

 
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