NDLI: Microscopic Description of the Pygmy Dipole Resonance in Neutron-rich Nuclei

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Microscopic Description of the Pygmy Dipole Resonance in Neutron-rich Nuclei

Content Provider	Semantic Scholar
Author	Arsenyev, N. N. Severyukhin, A. P. Voronov, Victor V. Giai, Nguyen Van
Copyright Year	2017
Abstract	We study the effects of the phonon-phonon coupling on the low-energy electric dipole response in a microscopic model based on an effective Skyrme interaction. The finite rank separable approach for the quasiparticle random phase approximation is used. Choosing as an example the calcium isotopic chain, we demonstrate the ability of the method to describe the properties of the lowenergy E1 strength distribution. Using the same set of parameters we describe available experimental data for Ca and we give predictions for 50−58Ca. keywords: QRPA, Energy density functional, Pygmy resonance ∗arsenev@theor.jinr.ru Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia; †Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia; Dubna State University, 141982 Dubna, Moscow region, Russia; ‡Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia; §Institut de Physique Nucléaire, CNRS-IN2P3 and Univ. Paris-Sud, 91405 Orsay, France; 9 Annals of the Academy of Romanian Scientists Series on Physics and Chemistry Sciences ISSN 2559-1061 Volume 3, Number 1/2018 9 10 N.N. Arsenyev, A.P. Severyukhin, V.V. Voronov and Nguyen Van Giai
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://indico.particle.mephi.ru/event/14/contributions/100/attachments/85/95/8_Arsenyev_ICPPA2017.pdf
Alternate Webpage(s)	http://www.aos.ro/wp-content/anale/PCVol3Nr1Art.1.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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