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Anharmonic double-phonon excitations in the interacting boson model

JE García-Ramos, JM Arias and P Van Isacker (2000) PHYSICAL REVIEW C. 62(6).
abstract
Double-gamma vibrations in deformed nuclei are analyzed in the context of the interacting boson model. A simple extension of the original version of the model towards higher-order interactions is required to explain the observed anharmonicities of nuclear vibrations. The influence of three- and four-body interactions on the moments of inertia of ground and gamma bands, and on the relative position of single-gamma and double-gamma bands is studied in detail. As an example of a realistic calculation, spectra and transitions of the highly gamma -anharmonic nuclei Dy-164, Er-166, and Er-168 are interpreted in this approach.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
GAMMA-VIBRATIONAL STATES, COLLECTIVE-COORDINATE METHOD, MICROSCOPIC DESCRIPTION, DEFORMED-NUCLEI, ER-166, APPROXIMATION, BANDS
journal title
PHYSICAL REVIEW C
Phys. Rev. C
volume
62
issue
6
article_number
064309
pages
13 pages
Web of Science type
Article
Web of Science id
000165744400020
ISSN
0556-2813
DOI
10.1103/PhysRevC.62.064309
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
124256
handle
http://hdl.handle.net/1854/LU-124256
date created
2004-01-14 13:36:00
date last changed
2012-05-10 14:56:57
@article{124256,
  abstract     = {Double-gamma vibrations in deformed nuclei are analyzed in the context of the interacting boson model. A simple extension of the original version of the model towards higher-order interactions is required to explain the observed anharmonicities of nuclear vibrations. The influence of three- and four-body interactions on the moments of inertia of ground and gamma bands, and on the relative position of single-gamma and double-gamma bands is studied in detail. As an example of a realistic calculation, spectra and transitions of the highly gamma -anharmonic nuclei Dy-164, Er-166, and Er-168 are interpreted in this approach.},
  articleno    = {064309},
  author       = {Garc{\'i}a-Ramos, JE and Arias, JM and Van Isacker, P},
  issn         = {0556-2813},
  journal      = {PHYSICAL REVIEW C},
  keyword      = {GAMMA-VIBRATIONAL STATES,COLLECTIVE-COORDINATE METHOD,MICROSCOPIC DESCRIPTION,DEFORMED-NUCLEI,ER-166,APPROXIMATION,BANDS},
  language     = {eng},
  number       = {6},
  pages        = {13},
  title        = {Anharmonic double-phonon excitations in the interacting boson model},
  url          = {http://dx.doi.org/10.1103/PhysRevC.62.064309},
  volume       = {62},
  year         = {2000},
}

Chicago
García-Ramos, JE, JM Arias, and P Van Isacker. 2000. “Anharmonic Double-phonon Excitations in the Interacting Boson Model.” Physical Review C 62 (6).
APA
García-Ramos, J., Arias, J., & Van Isacker, P. (2000). Anharmonic double-phonon excitations in the interacting boson model. PHYSICAL REVIEW C, 62(6).
Vancouver
1.
García-Ramos J, Arias J, Van Isacker P. Anharmonic double-phonon excitations in the interacting boson model. PHYSICAL REVIEW C. 2000;62(6).
MLA
García-Ramos, JE, JM Arias, and P Van Isacker. “Anharmonic Double-phonon Excitations in the Interacting Boson Model.” PHYSICAL REVIEW C 62.6 (2000): n. pag. Print.