THE DISTRIBUTION OF PROTON-HOLE STRENGTHS IN THE (2S, 1D)-SHELL OF CL-35, CL-37 AND CL-39

Citation
G. Mairle et al., THE DISTRIBUTION OF PROTON-HOLE STRENGTHS IN THE (2S, 1D)-SHELL OF CL-35, CL-37 AND CL-39, Nuclear physics. A, 565(3), 1993, pp. 543-562
Citations number
21
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Physics, Nuclear
Journal title
ISSN journal
0375-9474
Volume
565
Issue
3
Year of publication
1993
Pages
543 - 562
Database
ISI
SICI code
0375-9474(1993)565:3<543:TDOPSI>2.0.ZU;2-Q
Abstract
A vector-polarized deuteron beam of 52 MeV was used to excite proton-h ole states via the (d(over arrow pointing right), He-3) reaction on Ar -36, Ar-38 and Ar-40. From the measured angular distributions of diffe rential cross sections sigma(theta) and analyzing powers iT11(theta)we determined spins and parities J(pi) = 1/2+, 3/2+, 5/2+ and 1/2- of a number of isolated levels in Cl-35, Cl-37 and Cl-39 and the complete 1 d hole strength distribution in the continuum region. Relative proton occupancies, single-particle energies, the shape of the Fermi surface and spreading widths were obtained from a combined analysis with proto n stripping reactions on even argon isotopes. The deduced Id spin-orbi t splitting is found to be consistent with the recently observed depen dence on main quantum number n and mass number A. The mass excess of C l-39 was determined to be (-29798 +/- 2.8) keV compared to a value of (-29804 +/- 19) keV as given in the mass tables.