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Title: Halo effective field theory analysis of one-neutron knockout reactions of Be 11 and C 15

Journal Article · · Physical Review. C
ORCiD logo [1]; ORCiD logo [2]
  1. Michigan State Univ., East Lansing, MI (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. Libre, Brussels (Belgium)
  2. Johannes Gutenberg Univ., Mainz (Germany); Univ. Libre, Brussels (Belgium)
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Background: One-nucleon knockout reactions provide insightful information on the single-particle structure of nuclei. When applied to one-neutron halo nuclei, they are purely peripheral, suggesting that they could be properly modeled by describing the projectile within a halo effective field theory (halo-EFT). Purpose: We reanalyze the one-neutron knockout measurements of 11Be and 15C —both one-neutron halo nuclei—on beryllium at about 60 MeV/nucleon. We consider halo-EFT descriptions of these nuclei which already provide excellent agreement with breakup and transfer data. Method: Here we include a halo-EFT description of the projectile within an eikonal-based model of the reaction and compare its outcome to existing data. Results: Excellent agreement with experiment is found for both nuclei. The asymptotic normalization coefficients inferred from this comparison confirm predictions from ab initio nuclear-structure calculations and values deduced from transfer data. Conclusions: Halo-EFT can be reliably used to analyze one-neutron knockout reactions measured for halo nuclei and test predictions from state-of-the-art nuclear structure models on these experimental data.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
European Union (EU); Fund for Research Training in Industry and Agriculture (FRIA); National Fund for Scientific Research (FNRS); USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
AC52-07NA27344; SC0013617
OSTI ID:
1891721
Report Number(s):
LLNL-JRNL-824070; 1037372
Journal Information:
Physical Review. C, Journal Name: Physical Review. C Journal Issue: 2 Vol. 104; ISSN 2469-9985
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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