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Title: Using isotope shift for testing nuclear theory: The case of nobelium isotopes

Abstract

We calculate field isotope shifts for nobelium atoms using nuclear charge distributions which come from different nuclear models.We demonstrate that comparing calculated isotope shifts with experiment can serve as a testing ground for nuclear theories. It also provides a way of extracting parameters of nuclear charge distribution beyond nuclear root mean square (rms) radius, e.g., parameter of quadrupole deformation β. The measurements of at least two atomic transitions is needed to disentangle the contributions of the changes in deformation and nuclear rms radius into field isotopic shift. We argue that a previous interpretation of the isotope measurements in terms of δ < r2 > between 252,254No isotopes should be amended when nuclear deformation is taken into account. As a result, we calculate isotope shifts for other known isotopes and for hypothetically metastable isotope 286No for which the predictions of nuclear models differ substantially.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [2];  [2]
  1. University of New South Wales, Sydney (Australia)
  2. Mississippi State University, Mississippi State, MS (United States)
Publication Date:
Research Org.:
Mississippi State Univ., Mississippi State, MS (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP)
OSTI Identifier:
1669903
Grant/Contract Number:  
SC0013037
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 102; Journal Issue: 2; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Electron correlation calculations for atoms & ions; Electronic structure of atoms & molecules; Isotope effect; Nucleon distribution; A ≥ 220; Hartree-Fock methods; Nuclear structure & decays; Random phase approximation

Citation Formats

Allehabi, Saleh O., Dzuba, V. A., Flambaum, V. V., Afanasjev, A. V., and Agbemava, S. E. Using isotope shift for testing nuclear theory: The case of nobelium isotopes. United States: N. p., 2020. Web. doi:10.1103/physrevc.102.024326.
Allehabi, Saleh O., Dzuba, V. A., Flambaum, V. V., Afanasjev, A. V., & Agbemava, S. E. Using isotope shift for testing nuclear theory: The case of nobelium isotopes. United States. doi:10.1103/physrevc.102.024326.
Allehabi, Saleh O., Dzuba, V. A., Flambaum, V. V., Afanasjev, A. V., and Agbemava, S. E. Thu . "Using isotope shift for testing nuclear theory: The case of nobelium isotopes". United States. doi:10.1103/physrevc.102.024326.
@article{osti_1669903,
title = {Using isotope shift for testing nuclear theory: The case of nobelium isotopes},
author = {Allehabi, Saleh O. and Dzuba, V. A. and Flambaum, V. V. and Afanasjev, A. V. and Agbemava, S. E.},
abstractNote = {We calculate field isotope shifts for nobelium atoms using nuclear charge distributions which come from different nuclear models.We demonstrate that comparing calculated isotope shifts with experiment can serve as a testing ground for nuclear theories. It also provides a way of extracting parameters of nuclear charge distribution beyond nuclear root mean square (rms) radius, e.g., parameter of quadrupole deformation β. The measurements of at least two atomic transitions is needed to disentangle the contributions of the changes in deformation and nuclear rms radius into field isotopic shift. We argue that a previous interpretation of the isotope measurements in terms of δ < r2 > between 252,254No isotopes should be amended when nuclear deformation is taken into account. As a result, we calculate isotope shifts for other known isotopes and for hypothetically metastable isotope 286No for which the predictions of nuclear models differ substantially.},
doi = {10.1103/physrevc.102.024326},
journal = {Physical Review C},
number = 2,
volume = 102,
place = {United States},
year = {2020},
month = {8}
}

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