Search for the signature of a halo structure in the p( 6He, 6Li)n reaction

The elastic scattering p( 6He, 6He)p and charge exchange reaction p( 6He, 6Li)n have been measured in reverse kinematics with a secondary 6He beam. The angular distributions for these reactions were obtained. In the case of the charge exchange reaction, the ratio of the cross section for the Gamow-T...

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Bibliographic Details
Published in:Physics letters. B 1996-03, Vol.371 (1), p.14-18
Main Authors: Cortina-Gil, M.D., Roussel-Chomaz, P., Alamanos, N., Barrette, J., Mittig, W., Auger, F., Blumenfeld, Y., Casandjian, J.M., Chartier, M., Fekou-Youmbi, V., Fernandez, B., Frascaria, N., Gillibert, A., Laurent, H., Lépine-Szily, A., Orr, N.A., Pascalon, V., Scarpaci, J.A., Sida, J.L., Suomijärvi, T.
Format: Article
Language:English
Subjects:
Nuclear Experiment
Physics
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Summary:The elastic scattering p( 6He, 6He)p and charge exchange reaction p( 6He, 6Li)n have been measured in reverse kinematics with a secondary 6He beam. The angular distributions for these reactions were obtained. In the case of the charge exchange reaction, the ratio of the cross section for the Gamow-Teller transition to the ground state, and for the Fermi transition to the isobaric analog state is a measure of the relative strength of the two components of the exchange interaction, V στ and V τ . This ratio is found to be compatible with existing systematics for stable T = 1 nuclei, and no clear signature of a halo structure was found in the present data.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(95)01582-5