LXX International conference "NUCLEUS – 2020. Nuclear physics and elementary particle physics. Nuclear physics technologies"

ELECTROMAGNETIC TRANSITIONS IN HEAVY ODD-A NUCLEI

Not scheduled

25m

Online

Oral report Section 1. Experimental and theoretical studies of the properties of atomic nuclei. Will not participate

Speaker

Dr Leonard Malov (Joint Institute for Nuclear Research)

Description

The reduced probabilities B{[Eλ(,Mλ); IπK(K=μ) → (IπK)'} of electro-magnetic transitions from excited states into the ground and excited states, as well as structure of low-lying states were calculated for odd-A nuclei: in the region of A=243-269 and Z=96-109. The interaction of quasiparticles and phonons was taken into account. The calculations are performed at equilibrium deformation of the nuclei. The spectra of non-rotational states were studied in the present work in the same way as in Ref. 1 using a theoretical formalism based on a microscopic-macroscopic approach and a Quasiparticle-Phonon Model [2,3]. The calculations do not contain any free parameters. The figure shows the results for the 249Cm nucleus (in Weiskopf's units, W.u.↓).

1. G.G.Adamian et al.// Phys. Rev. C, 2018, V. 97, P.034308.
2. V.G.Soloviev, Theory of atomic nuclei. Quasiparticles and and phonons. (Bristol and Philadelphia, IOP, 1992); V.G.Soloviev, Teoriya atomnogo yadra. Kvazichastitsy i fonony (M:Energoatomizdat,1989).
3. N.V.Antonenko and L.A.Malov// Izv. RAN, Ser. Physics, 2014, V.78, P1402.