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Title: Effective field theory for vibrations in odd-mass nuclei

Abstract

Heavy even-even nuclei exhibit low-energy collective excitations that are separated in scale from the microscopic (fermion) degrees of freedom. This separation of scale allows us to approach nuclear vibrations within an effective field theory (EFT). In odd-mass nuclei collective and single-particle properties compete at low energies, and this makes their description more challenging. In this article we describe spherical odd-mass nuclei with ground-state spin I = 1/2 by means of an EFT that couples a fermion to the collective degrees of freedom of an even-even core. The EFT relates observables such as energy levels, electric quadrupole transition strengths, and magnetic dipole moments of the odd-mass nucleus to those of its even-even neighbor and allows us to quantify theoretical uncertainties. For isotopes of rhodium and silver the theoretical description is consistent with data within experimental and theoretical uncertainties. Here, several testable predictions are made.

Authors:
 [1]; ORCiD logo [2]
  1. Technische Univ. Darmstadt, Darmstadt (Germany); Helmholtzzentrum fur Schwerionenforschung GmbH, Darmstadt (Germany); Univ. of Tennessee, Knoxville, TN (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1460245
Alternate Identifier(s):
OSTI ID: 1332593
Grant/Contract Number:  
AC05-00OR22725; FG02-96ER40963
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 94; Journal Issue: 5; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Coello Perez, Eduardo A., and Papenbrock, Thomas F. Effective field theory for vibrations in odd-mass nuclei. United States: N. p., 2016. Web. doi:10.1103/PhysRevC.94.054316.
Coello Perez, Eduardo A., & Papenbrock, Thomas F. Effective field theory for vibrations in odd-mass nuclei. United States. https://doi.org/10.1103/PhysRevC.94.054316
Coello Perez, Eduardo A., and Papenbrock, Thomas F. 2016. "Effective field theory for vibrations in odd-mass nuclei". United States. https://doi.org/10.1103/PhysRevC.94.054316. https://www.osti.gov/servlets/purl/1460245.
@article{osti_1460245,
title = {Effective field theory for vibrations in odd-mass nuclei},
author = {Coello Perez, Eduardo A. and Papenbrock, Thomas F.},
abstractNote = {Heavy even-even nuclei exhibit low-energy collective excitations that are separated in scale from the microscopic (fermion) degrees of freedom. This separation of scale allows us to approach nuclear vibrations within an effective field theory (EFT). In odd-mass nuclei collective and single-particle properties compete at low energies, and this makes their description more challenging. In this article we describe spherical odd-mass nuclei with ground-state spin I = 1/2 by means of an EFT that couples a fermion to the collective degrees of freedom of an even-even core. The EFT relates observables such as energy levels, electric quadrupole transition strengths, and magnetic dipole moments of the odd-mass nucleus to those of its even-even neighbor and allows us to quantify theoretical uncertainties. For isotopes of rhodium and silver the theoretical description is consistent with data within experimental and theoretical uncertainties. Here, several testable predictions are made.},
doi = {10.1103/PhysRevC.94.054316},
url = {https://www.osti.gov/biblio/1460245}, journal = {Physical Review C},
issn = {2469-9985},
number = 5,
volume = 94,
place = {United States},
year = {Thu Nov 17 00:00:00 EST 2016},
month = {Thu Nov 17 00:00:00 EST 2016}
}

Journal Article:

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Cited by: 12 works
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Works referenced in this record:

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Works referencing / citing this record:

Spectroscopy and excited-state g factors in weakly collective Cd 111 : Confronting collective and microscopic models
journal, August 2019