https://doi.org/10.1140/epja/i2018-12658-3
Regular Article - Theoretical Physics
On the spreading width of isobaric analog resonances
1
National Research Nuclear University “MEPhI”, 115409, Moscow, Russia
2
Moscow Economic School, 123022, Moscow, Russia
* e-mail: urin@theor.mephi.ru
Received:
18
May
2018
Accepted:
20
November
2018
Published online:
24
December
2018
A description of the spreading width of isobaric analog resonances in medium-heavy spherical nuclei is proposed. The approach incorporates the “Coulomb description” of isospin-forbidden processes into the newly developed particle-hole dispersive optical model. Within this approach, the observed spreading width of the resonances based on the 208, 209Pb parent-nuclei ground states is quantitatively estimated with no adjustable parameters.
© SIF, Springer-Verlag GmbH Germany, part of Springer Nature, 2018