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Title: Can Ab Initio Theory Explain the Phenomenon of Parity Inversion in Be 11 ?

Journal Article · · Physical Review Letters
 [1];  [1];  [2];  [3];  [4];  [5]
  1. TRIUMF, Vancouver, BC (Canada)
  2. Technische Univ. Darmstadt, Darmstadt (Germany)
  3. TRIUMF, Vancouver, BC (Canada); Istituto Nazionale di Fisica Nucleare, Pisa (Italy)
  4. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  5. Univ. Paris-Sud, Orsay Cedex (France); CEA, DAM, DIF, Arpajon (France)

The weakly bound exotic 11Be nucleus, famous for its ground-state parity inversion and distinct n + 10Be halo structure, is investigated from first principles using chiral two- and three-nucleon forces. An explicit treatment of continuum effects is found to be indispensable. We study the sensitivity of the 11Be spectrum to the details of the three-nucleon force and demonstrate that only certain chiral interactions are capable of reproducing the parity inversion. With such interactions, the extremely large E1 transition between the bound states is reproduced. We compare our photodisintegration calculations to conflicting experimental data and predict a distinct dip around the 3/21 resonance energy. Finally, we predict low-lying 3/2+ and 9/2+ resonances that are not or not sufficiently measured in experiments.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC52-07NA27344; SCW1158
OSTI ID:
1366965
Alternate ID(s):
OSTI ID: 1335718
Report Number(s):
LLNL-JRNL-700880; PRLTAO
Journal Information:
Physical Review Letters, Vol. 117, Issue 24; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 71 works
Citation information provided by
Web of Science

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Cited By (11)

Ab initio predictions for polarized deuterium-tritium thermonuclear fusion journal January 2019
Effective field theory description of halo nuclei journal September 2017
Nucleon transfer reactions with radioactive beams journal February 2018
Neutron disappearance inside the nucleus journal January 2019
Pygmy resonances: what’s in a name? journal August 2019
Ab initio calculations of p -shell nuclei up to N 2 LO in chiral Effective Field Theory journal July 2019
Application of an ab initio S matrix to data analysis of transfer reactions to the continuum populating Be 11 journal August 2019
Structure of Be 13 studied in proton knockout from B 14 journal August 2018
Identifying structures in the continuum: Application to Be 16 journal January 2019
Scattering of the Halo Nucleus Be 11 on Au 197 at Energies around the Coulomb Barrier journal April 2017
Effective field theory description of halo nuclei text January 2017

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