TITLE:
Ground State of 4-7H Considering Internal Collective Rotation
AUTHORS:
S. Paschalis, G. S. Anagnostatos
KEYWORDS:
Hydrogen Isotopes 4H, 5H, 6H, and 7H; Cluster Models; Isomorphic Shell Model; Drip Lines; Internal Collective Rotation
JOURNAL NAME:
Journal of Modern Physics,
Vol.4 No.5B,
July
10,
2013
ABSTRACT:
The g.s. of heavy and superheavy hydrogen isotopes, namely 4-7 H, are successfully examined by applying the Isomorphic Shell Model. Properties examined are binding energies and effective radii. The novelty of the present work is that, due to the small number of nucleons involved and the subsequently large deformation, an internal collective rotation appears which is inseparable from the usual internal motion even in the ground states of these nuclei, i.e., for such nuclei the adiabatic approximation is not valid. This extra degree of freedom leads to a reduction of binding energies, an increase of effective radii, and an increase of level widths.