DIRECT EXPERIMENTAL-EVIDENCE FOR A SOFT-DIPOLE RESPONSE IN HE-6

Authors
SAKUTA SB OGLOBLIN AA OSADCHY OY GLUKHOV YA ERSHOV SN GAREEV FA VAAGEN JS
Citation
Sb. Sakuta et al., DIRECT EXPERIMENTAL-EVIDENCE FOR A SOFT-DIPOLE RESPONSE IN HE-6, Europhysics letters, 22(7), 1993, pp. 511-515
Citations number
25
Categorie Soggetti
Physics
Journal title
Europhysics letters → ACNP
ISSN journal
02955075
Volume
22
Issue
7
Year of publication
1993
Pages
511 - 515
Database
ISI
SICI code
0295-5075(1993)22:7<511:DEFASR>2.0.ZU;2-B
Abstract
The differential cross-sections of the charge exchange reaction (Li(Li , Be)He)-Li-6-Li-7-Be-7-He-6 were measured at beam energies 78 and 82 MeV. In addition to the 0+ bound state and sharp 2+ resonance, three w ide bumps were identified in the experimental continuum spectrum of Be -7 at small angles. The maximum at excitation energy of approximately 6 MeV (I' approximately 5 MeV FWHM) is consistent with a soft-dipole r esponse, expected in nuclei with neutron halo.