alpha FORMATION PROBABILITIES IN NUCLEI AND PAIRING COLLECTIVITY

• alpha formation amplitudes extracted from experimental data are presented and an abrupt change around the N = 126 shell closure is noted. It is explained as a sudden hindrance of the clustering of nucleons. The clustering induced by the pairing mode acting upon the four nucleons is inhibited if the configuration space does not allow a proper manifestation of the pairing collectivity.

Ämnesord

NATURVETENSKAP  -- Fysik -- Subatomär fysik (hsv//swe)

NATURAL SCIENCES  -- Physical Sciences -- Subatomic Physics (hsv//eng)

Nyckelord

Alpha decay

formation amplitudes

pairing collectivity

Publikations- och innehållstyp

ref (ämneskategori)

kon (ämneskategori)