Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8183492 | Nuclear Physics A | 2013 | 5 Pages |
Abstract
Gas-like α-cluster states are investigated in light Î hypernuclei. The α condensate-type microscopic cluster model wave function is introduced to describe Î hypernuclei. In particular, the analogous state to the famous Hoyle state, the second 0+ state in 12C, is investigated in 13ÎC, with the use of the new type wave function. The Hoyle state is known to have a gas-like 3α cluster structure, where the 3α particles are condensed into an identical S orbit. The second 1/2+ state in 13ÎC is shown to have the 3α+Î structure. A strong shrinkage effect by adding the Î particle is seen for the state, reducing the rms radius from 3.8 fm in the Hoyle state to 2.8 fm. In spite of the shrinkage effect, the α condensate fraction of about 60% still survives, though it is reduced by about 20% from the Hoyle state.
Keywords
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
Yasuro Funaki, Taiichi Yamada, Emiko Hiyama, Kiyomi Ikeda,