Relativistic Coulomb excitation within the time dependent superfluid local density approximation

Stetcu, I.; Bertulani, C. A.; Bulgac, A.; Magierski, P.; Roche, K. J.

doi:10.1103/PhysRevLett.114.012701

Title: Relativistic Coulomb excitation within the time dependent superfluid local density approximation

Journal Article · Tue Jan 06 00:00:00 EST 2015 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.114.012701· OSTI ID:1227729

Stetcu, I. ^[1]; Bertulani, C. A. ^[2]; Bulgac, A. ^[3]; Magierski, P. ^[4]; Roche, K. J. ^[5]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Texas A & M Univ. - Commerce, Commerce, TX (United States)
Univ. of Washington, Seattle, WA (United States)
Univ. of Washington, Seattle, WA (United States); Warsaw Univ. of Technology, Warsaw (Poland)
Univ. of Washington, Seattle, WA (United States); Pacific Northwest National Lab., Richland, WA (United States)

Within the framework of the unrestricted time-dependent density functional theory, we present for the first time an analysis of the relativistic Coulomb excitation of the heavy deformed open shell nucleus ²³⁸U. The approach is based on the superfluid local density approximation formulated on a spatial lattice that can take into account coupling to the continuum, enabling self-consistent studies of superfluid dynamics of any nuclear shape. We compute the energy deposited in the target nucleus as a function of the impact parameter, finding it to be significantly larger than the estimate using the Goldhaber-Teller model. The isovector giant dipole resonance, the dipole pygmy resonance, and giant quadrupole modes are excited during the process. As a result, the one-body dissipation of collective dipole modes is shown to lead a damping width Γ↓≈0.4 MeV and the number of preequilibrium neutrons emitted has been quantified.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)

Grant/Contract Number:: FC02-07ER41457; FG02-08ER41533; PHY1415656; DEC-2013/08/A/ST3/00708; AC52-06NA25396; AC02-05CH11231; AC05-00OR22725; PHY0922770; 58202; PHY-0922770

OSTI ID:: 1227729

Alternate ID(s):: OSTI ID: 1180735

Report Number(s):: LA-UR-14-21210; PRLTAO

Journal Information:: Physical Review Letters, Vol. 114, Issue 1; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 34 works

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References (22)

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Cited By (3)

TDHF Theory and Its Extensions for the Multinucleon Transfer Reaction: A Mini Review Sekizawa, Kazuyuki Frontiers in Physics, Vol. 7 https://doi.org/10.3389/fphy.2019.00020	journal	March 2019
Vortex pinning and dynamics in the neutron star crust Wlazłowski, Gabriel; Sekizawa, Kazuyuki; Magierski, Piotr arXiv https://doi.org/10.48550/arxiv.1606.04847	text	January 2016
TDHF Theory and Its Extensions for the Multinucleon Transfer Reaction: a Mini Review Sekizawa, Kazuyuki arXiv https://doi.org/10.48550/arxiv.1902.01616	text	January 2019

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