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@ARTICLE{Burrows:858800,
      author       = {Burrows, M. and Elster, Ch. and Popa, G. and Launey, K. D.
                      and Nogga, A. and Maris, P.},
      title        = {{A}b initio translationally invariant nonlocal one-body
                      densities from no-core shell-model theory},
      journal      = {Physical review / C},
      volume       = {97},
      number       = {2},
      issn         = {2469-9985},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2018-07640},
      pages        = {024325},
      year         = {2018},
      abstract     = {Background: It is well known that effective nuclear
                      interactions are in general nonlocal. Thus if nuclear
                      densities obtained from ab initio no-core shell-model (NCSM)
                      calculations are to be used in reaction calculations,
                      translationally invariant nonlocal densities must be
                      available.Purpose: Though it is standard to extract
                      translationally invariant one-body local densities from NCSM
                      calculations to calculate local nuclear observables like
                      radii and transition amplitudes, the corresponding nonlocal
                      one-body densities have not been considered so far. A major
                      reason for this is that the procedure for removing the
                      center-of-mass component from NCSM wave functions up to now
                      has only been developed for local densities.Results: A
                      formulation for removing center-of-mass contributions from
                      nonlocal one-body densities obtained from NCSM and
                      symmetry-adapted NCSM (SA-NCSM) calculations is derived, and
                      applied to the ground state densities of 4He, 6Li, 12C, and
                      16O. The nonlocality is studied as a function of angular
                      momentum components in momentum as well as coordinate
                      space.Conclusions: We find that the nonlocality for the
                      ground state densities of the nuclei under consideration
                      increases as a function of the angular momentum. The
                      relative magnitude of those contributions decreases with
                      increasing angular momentum. In general, the nonlocal
                      structure of the one-body density matrices we studied is
                      given by the shell structure of the nucleus, and cannot be
                      described with simple functional forms.},
      cin          = {IAS-4 / IKP-3 / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-4-20090406 / I:(DE-Juel1)IKP-3-20111104 /
                      $I:(DE-82)080012_20140620$},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511) / DFG project 196253076 - TRR 110: Symmetrien und
                      Strukturbildung in der Quantenchromodynamik (196253076) /
                      Chiral dynamics in Few-Baryon Systems $(jikp03_20090701)$},
      pid          = {G:(DE-HGF)POF3-511 / G:(GEPRIS)196253076 /
                      $G:(DE-Juel1)jikp03_20090701$},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000425604200002},
      doi          = {10.1103/PhysRevC.97.024325},
      url          = {https://juser.fz-juelich.de/record/858800},
}