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Title: Application of an ab initio S matrix to data analysis of transfer reactions to the continuum populating Be 11

Abstract

Recently, the bound and continuum spectrum of 11Be has been calculated within the ab initio no-core shell model with continuum (NCSMC) method, with the parity inversion in the ground state successfully reproduced. Here, the continuum spectrum obtained is in agreement with known experimental levels. The S matrix contained in the NCSMC continuum wave functions of the n + 10Be system is used in this work for the first time in a transfer-to-the-continuum (TC) reaction calculation. The TC approach is applied to study the excitation energy spectrum of 11Be measured in the 9Be( 18O, 16O) 11Be reaction at 84 MeV. Previously known levels are confirmed and theoretical and experimental evidence for a 9/2 + state at E x = 5.8 MeV is given, whose configuration is thought to be 10Be(2 +)+n( d 5/2).

Authors:
 [1];  [2];  [3];  [3];  [4];  [5];  [6]
  1. Istituto Nazionale di Fisica Nucleare, Pisa (Italy)
  2. Univ. degli Studi di Catania, Catania (Italy); Istituto Nazionale di Fisica Nucleare–Laboratori Nazionali del Sud, Catania (Italy)
  3. Istituto Nazionale di Fisica Nucleare–Laboratori Nazionali del Sud, Catania (Italy)
  4. Univ. Paris-Saclay, Orsay Cedex (France)
  5. TRIUMF, Vancouver, BC (Canada)
  6. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1561450
Alternate Identifier(s):
OSTI ID: 1558163
Report Number(s):
LLNL-JRNL-788097
Journal ID: ISSN 2469-9985; PRVCAN; 985945
Grant/Contract Number:  
AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review C
Additional Journal Information:
Journal Volume: 100; Journal Issue: 2; Journal ID: ISSN 2469-9985
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Bonaccorso, A., Cappuzzello, F., Carbone, D., Cavallaro, M., Hupin, G., Navrátil, P., and Quaglioni, S. Application of an ab initio S matrix to data analysis of transfer reactions to the continuum populating Be11. United States: N. p., 2019. Web. doi:10.1103/PhysRevC.100.024617.
Bonaccorso, A., Cappuzzello, F., Carbone, D., Cavallaro, M., Hupin, G., Navrátil, P., & Quaglioni, S. Application of an ab initio S matrix to data analysis of transfer reactions to the continuum populating Be11. United States. doi:10.1103/PhysRevC.100.024617.
Bonaccorso, A., Cappuzzello, F., Carbone, D., Cavallaro, M., Hupin, G., Navrátil, P., and Quaglioni, S. Mon . "Application of an ab initio S matrix to data analysis of transfer reactions to the continuum populating Be11". United States. doi:10.1103/PhysRevC.100.024617.
@article{osti_1561450,
title = {Application of an ab initio S matrix to data analysis of transfer reactions to the continuum populating Be11},
author = {Bonaccorso, A. and Cappuzzello, F. and Carbone, D. and Cavallaro, M. and Hupin, G. and Navrátil, P. and Quaglioni, S.},
abstractNote = {Recently, the bound and continuum spectrum of 11Be has been calculated within the ab initio no-core shell model with continuum (NCSMC) method, with the parity inversion in the ground state successfully reproduced. Here, the continuum spectrum obtained is in agreement with known experimental levels. The S matrix contained in the NCSMC continuum wave functions of the n + 10Be system is used in this work for the first time in a transfer-to-the-continuum (TC) reaction calculation. The TC approach is applied to study the excitation energy spectrum of 11Be measured in the 9Be(18O,16O)11Be reaction at 84 MeV. Previously known levels are confirmed and theoretical and experimental evidence for a 9/2+ state at Ex = 5.8 MeV is given, whose configuration is thought to be 10Be(2+)+n(d5/2).},
doi = {10.1103/PhysRevC.100.024617},
journal = {Physical Review C},
number = 2,
volume = 100,
place = {United States},
year = {2019},
month = {8}
}

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