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Title: Electric dipole polarizability from first principles calculations

Journal Article · · Physical Review C
 [1];  [2];  [3];  [4];  [5];  [6];  [4]
  1. TRIUMF, Vancouver, BC (Canada); Univ. of British Columbia, Vancouver, BC (Canada). Dept. of Physics and Astronomy
  2. TRIUMF, Vancouver, BC (Canada); Univ. of Manitoba (Canada). Dept. of Physics and Astronomy
  3. Hebrew Univ. of Jerusalem (Israel). Racah Inst. of Physics
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Physics Division; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics and Astronomy
  5. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Physics Division and National Center for Computational Sciences
  6. Univ. of Trento (Italy). Dept. of Physics; TIFPA, Trento (Italy). National Inst. of Nuclear Physics

The electric dipole polarizability quantifies the low-energy behavior of the dipole strength and is related to critical observables such as the radii of the proton and neutron distributions. Its computation is challenging because most of the dipole strength lies in the scattering continuum. In our paper we combine integral transforms with the coupled-cluster method and compute the dipole polarizability using bound-state techniques. Furthermore, employing different interactions from chiral effective field theory, we confirm the strong correlation between the dipole polarizability and the charge radius, and study its dependence on three-nucleon forces. Finally, we find good agreement with data for the 4He, 40Ca, and 16O nuclei, and predict the dipole polarizability for the rare nucleus 22O.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725; FG02-96ER40963; SC0008499; PRIN-2009TWL3MX; SAPIN-2015-00031
OSTI ID:
1327613
Alternate ID(s):
OSTI ID: 1328464
Journal Information:
Physical Review C, Vol. 94, Issue 3; ISSN 2469-9985
Publisher:
APSCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 33 works
Citation information provided by
Web of Science

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conference January 2010
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Electric and magnetic dipole modes in high-resolution inelastic proton scattering at 0° journal July 2019
First principles electromagnetic responses in medium-mass nuclei: Recent progress from coupled-cluster theory journal December 2019

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