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New insight into knockout reactions from the two-proton halo nucleus 17Ne

Journal Article · · Physical Review. C
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  1. GSI Helmholtzzentrum fĂŒr Schwerionenforschung GmbH, Darmstadt (Germany); et al.
  2. Technische UniversitÀt
  3. Technische UniversitÀt; Radioisotope Centre POLATOM (POLATOM)
  4. GSI Helmholtzzentrum fĂŒr Schwerionenforschung GmbH; King Saud University
  5. GSI Helmholtzzentrum fĂŒr Schwerionenforschung GmbH
  6. Universidade de Santiago de Compostela
  7. GSI Helmholtzzentrum fĂŒr Schwerionenforschung GmbH; Technische UniversitĂ€t
  8. Texas A&M University-Commerce
  9. CSIC
  10. University of Liverpool
  11. GSI Helmholtzzentrum fĂŒr Schwerionenforschung GmbH; NRC Kurchatov Institute
  12. Chalmers Tekniska Högskola
  13. GSI Helmholtzzentrum fĂŒr Schwerionenforschung GmbH; Goethe UniversitĂ€t
  14. Molecular and Nuclear Physics
  15. University of Aarhus
  16. Johannes Gutenberg-UniversitÀt Mainz
  17. Uniwersytet JagelloƄski
  18. GSI Helmholtzzentrum fĂŒr Schwerionenforschung GmbH; Goethe UniversitĂ€t; University of Applied Sciences Aachen
  19. Uppsala Universitet
  20. STFC Daresbury Laboratory
  21. University of Liverpool; University of York
  22. Goethe UniversitÀt
+ Show Author Affiliations
The unexplained disagreement in the dependence of spectroscopic factors (đ¶2ⁱ𝑆exp) on the binding energy obtained by nucleon knockout using different targets is still a puzzle that needs to be addressed. To find an explanation of this riddle through exclusive measurements using different targets. The exclusive measurements were performed by using a 17Ne beam with an energy of 500 MeV/u incident on C and CH2 targets. Through the standard theoretical approach, đ¶2ⁱ𝑆exp were derived from the analysis of the experimental data on proton ejection from the proton halo in 17Ne as well as from its core 15O. For the C target, proton ejection from the proton halo gave đ¶2ⁱ𝑆exp about 37% smaller than for the H target. But when protons are ejected from the core of 17Ne, đ¶2ⁱ𝑆exp are identical within statistical uncertainties. An explanation for the difference in đ¶2ⁱ𝑆exp could be the removal of both halo protons, a more important reaction pathway for the C target. The đ¶2ⁱ𝑆exp values obtained by analyzing the proton ejection from the core indicate that it is not affected by the interaction with the halo protons.
Research Organization:
Texas A & M Univ., College Station, TX (United States); Texas A&M University-Commerce, TX (United States)
Sponsoring Organization:
German Federal Ministry for Education and Research (BMBF); Spanish Funding Agency; USDOE; USDOE Office of Science (SC)
Grant/Contract Number:
FG02-08ER41533
OSTI ID:
2345805
Alternate ID(s):
OSTI ID: 2584132
OSTI ID: 2584133
OSTI ID: 2579210
Journal Information:
Physical Review. C, Journal Name: Physical Review. C Journal Issue: 5 Vol. 109; ISSN 2469-9985; ISSN 2469-9993
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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