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Nuclear shape coexistence: a study of the even-even Hg isotopes using the interacting boson model with configuration mixing

JE García-Ramos and Kristiaan Heyde UGent (2014) PHYSICAL REVIEW C. 89(1).
abstract
Background: The Po, Pb, Hg, and Pt region is known for the presence of coexisting structures that correspond to different particle-hole configurations in the shell model language or equivalently to nuclear shapes with different deformation. Purpose: We intend to study the configuration mixing phenomenon in the Hg isotopes and to understand how different observables are influenced by it. Method: We study in detail a long chain of mercury isotopes, Hg172-200, using the interacting boson model with configuration mixing. The parameters of the Hamiltonians are fixed through a least-squares fit to the known energies and absolute B(E2) transition rates of states up to 3 MeV. Results: We obtained the IBM-CM Hamiltonians and we calculate excitation energies, B(E2)'s, quadrupole shape invariants, wave functions, isotopic shifts, and mean-field energy surfaces. Conclusions: We obtain a fairly good agreement with the experimental data for all the studied observables and we conclude that the Hamiltonian and the states we obtain constitute a good approximation to the Hg isotopes.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
QUADRUPOLE-MOMENTS, EXCITED-STATES, MEAN-FIELD DESCRIPTION, NEUTRON-DEFICIENT PB, PARTICLE-HOLE EXCITATIONS, HIGH-SPIN STATES, ALPHA-DECAY, DATA SHEETS, SHELL-MODEL, INTRUDER STATES
journal title
PHYSICAL REVIEW C
Phys. Rev. C
volume
89
issue
1
article number
014306
pages
24 pages
Web of Science type
Article
Web of Science id
000332151100001
JCR category
PHYSICS, NUCLEAR
JCR impact factor
3.733 (2014)
JCR rank
4/21 (2014)
JCR quartile
1 (2014)
ISSN
0556-2813
DOI
10.1103/PhysRevC.89.014306
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
5730568
handle
http://hdl.handle.net/1854/LU-5730568
date created
2014-10-17 11:38:56
date last changed
2016-12-21 15:41:52
@article{5730568,
  abstract     = {Background: The Po, Pb, Hg, and Pt region is known for the presence of coexisting structures that correspond to different particle-hole configurations in the shell model language or equivalently to nuclear shapes with different deformation. 
Purpose: We intend to study the configuration mixing phenomenon in the Hg isotopes and to understand how different observables are influenced by it. 
Method: We study in detail a long chain of mercury isotopes, Hg172-200, using the interacting boson model with configuration mixing. The parameters of the Hamiltonians are fixed through a least-squares fit to the known energies and absolute B(E2) transition rates of states up to 3 MeV. 
Results: We obtained the IBM-CM Hamiltonians and we calculate excitation energies, B(E2)'s, quadrupole shape invariants, wave functions, isotopic shifts, and mean-field energy surfaces. 
Conclusions: We obtain a fairly good agreement with the experimental data for all the studied observables and we conclude that the Hamiltonian and the states we obtain constitute a good approximation to the Hg isotopes.},
  articleno    = {014306},
  author       = {Garc{\'i}a-Ramos, JE and Heyde, Kristiaan},
  issn         = {0556-2813},
  journal      = {PHYSICAL REVIEW C},
  keyword      = {QUADRUPOLE-MOMENTS,EXCITED-STATES,MEAN-FIELD DESCRIPTION,NEUTRON-DEFICIENT PB,PARTICLE-HOLE EXCITATIONS,HIGH-SPIN STATES,ALPHA-DECAY,DATA SHEETS,SHELL-MODEL,INTRUDER STATES},
  language     = {eng},
  number       = {1},
  pages        = {24},
  title        = {Nuclear shape coexistence: a study of the even-even Hg isotopes using the interacting boson model with configuration mixing},
  url          = {http://dx.doi.org/10.1103/PhysRevC.89.014306},
  volume       = {89},
  year         = {2014},
}

Chicago
García-Ramos, JE, and Kristiaan Heyde. 2014. “Nuclear Shape Coexistence: a Study of the Even-even Hg Isotopes Using the Interacting Boson Model with Configuration Mixing.” Physical Review C 89 (1).
APA
García-Ramos, J., & Heyde, K. (2014). Nuclear shape coexistence: a study of the even-even Hg isotopes using the interacting boson model with configuration mixing. PHYSICAL REVIEW C, 89(1).
Vancouver
1.
García-Ramos J, Heyde K. Nuclear shape coexistence: a study of the even-even Hg isotopes using the interacting boson model with configuration mixing. PHYSICAL REVIEW C. 2014;89(1).
MLA
García-Ramos, JE, and Kristiaan Heyde. “Nuclear Shape Coexistence: a Study of the Even-even Hg Isotopes Using the Interacting Boson Model with Configuration Mixing.” PHYSICAL REVIEW C 89.1 (2014): n. pag. Print.