Comparison of electromagnetic and nuclear dissociation of Ne-17

F. Wamers; J. Marganiec; F. Aksouh; Yu Aksyutina; H. Alvarez-Pol; T. Aumann; S. Beceiro-Novo; C. A. Bertulani; K. Boretzky; M. J. G. Borge; M. Chartier; A. Chatillon; L. V. Chulkov; D. Cortina-Gil; H. Emling; O. Ershova; L. M. Fraile; H. O. U. Fynbo; D. Galaviz; H. Geissel; M. Heil; D. H. H. Hoffmann; J. Hoffman; H. T. Johansson; B. Jonson; C. Karagiannis; O. A. Kiselev; J. V. Kratz; R. Kulessa; N. Kurz; C. Langer; Mattias Lantz; T. Le Bleis; C. Lehr; R. Lemmon; Yu. A. Litvinov; K. Mahata; C. Muentz; T. Nilsson; C. Nociforo; W. Ott; V. Panin; S. Paschalis; A. Perea; R. Plag; R. Reifarth; A. Richter; K. Riisager; C. Rodriguez-Tajes; D. Rossi; D. Savran; G. Schrieder; H. Simon; J. Stroth; K. Suemmerer; O. Tengblad; S. Typel; H. Weick; M. Wiescher; C. Wimmer

doi:10.1103/PhysRevC.97.034612

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Comparison of electromagnetic and nuclear dissociation of Ne-17

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Comparison of electromagnetic and nuclear dissociation of Ne-17

F. Wamers, J. Marganiec, F. Aksouh, Yu Aksyutina, H. Alvarez-Pol, T. Aumann, S. Beceiro-Novo, C. A. Bertulani, K. Boretzky, M. J. G. Borge, …

Physical review. C, Vol.97(3)

20/03/2018

DOI: https://doi.org/10.1103/PhysRevC.97.034612

Abstract

Fysik

Natural Sciences

Naturvetenskap

Physical Sciences

Subatomic Physics

Subatomär fysik

The Borromean drip-line nucleus Ne-17 has been suggested to possess a two-proton halo structure in its ground state. In the astrophysical rp-process, where the two-proton capture reaction O-15(2p,gamma) Ne-17 plays an important role, the calculated reaction rate differs by several orders of magnitude between different theoretical approaches. To add to the understanding of the Ne-17 structure we have studied nuclear and electromagnetic dissociation. A 500 MeV/u Ne-17 beam was directed toward lead, carbon, and polyethylene targets. Oxygen isotopes in the final state were measured in coincidence with one or two protons. Different reaction branches in the dissociation of Ne-17 were disentangled. The relative populations of s and d states in F-16 were determined for light and heavy targets. The differential cross section for electromagnetic dissociation (EMD) shows a continuous internal energy spectrum in the three-body system O-15 + 2p. The Ne-17 EMD data were compared to current theoretical models. None of them, however, yields satisfactory agreement with the experimental data presented here. These new data may facilitate future development of adequate models for description of the fragmentation process.

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Title: Comparison of electromagnetic and nuclear dissociation of Ne-17
Creators - without role: F. Wamers
J. Marganiec
F. Aksouh
Yu Aksyutina - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
H. Alvarez-Pol
T. Aumann
S. Beceiro-Novo - Universidade de Santiago de Compostela
C. A. Bertulani - Texas A&M Univ, Dept Phys & Astron, Commerce, TX 75429 USA
K. Boretzky - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
M. J. G. Borge - CSIC, Inst Estruct Mat, ES-28006 Madrid, Spain
M. Chartier - University of Liverpool
A. Chatillon - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
L. V. Chulkov
D. Cortina-Gil - Universidade de Santiago de Compostela
H. Emling - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
O. Ershova
L. M. Fraile - Univ Complutense Madrid, Dept Atom Mol & Nucl Phys, ES-28040 Madrid, Spain
H. O. U. Fynbo - Univ Aarhus, Dept Phys & Astron, DK-8000 Aarhus, Denmark
D. Galaviz
H. Geissel - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
M. Heil - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
D. H. H. Hoffmann
J. Hoffman - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
H. T. Johansson - Chalmers University of Technology
B. Jonson - Chalmers University of Technology
C. Karagiannis - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
O. A. Kiselev - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
J. V. Kratz - Johannes Gutenberg University Mainz
R. Kulessa - Uniwersytet Jagellonski, Inst Fis, PL-30059 Krakow, Poland
N. Kurz - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
C. Langer - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
Mattias Lantz - Tillämpad kärnfysik
T. Le Bleis - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
C. Lehr
R. Lemmon - STFC Daresbury Lab, Nucl Phys Grp, Warrington WA4 4AD, Cheshire, England
Yu. A. Litvinov - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
K. Mahata - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
C. Muentz - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
T. Nilsson
C. Nociforo - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
W. Ott - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
V. Panin
S. Paschalis - Univ York, Dept Phys, York YO10 5DD, N Yorkshire, England
A. Perea
R. Plag - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
R. Reifarth - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
A. Richter - Inst Kernphys Tech Univ, D-64289 Darmstadt, Germany
K. Riisager
C. Rodriguez-Tajes
D. Rossi
D. Savran
G. Schrieder - Inst Kernphys Tech Univ, D-64289 Darmstadt, Germany
H. Simon - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
J. Stroth
K. Suemmerer
O. Tengblad
S. Typel
H. Weick - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
M. Wiescher - University of Notre Dame
C. Wimmer - GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany
Publication Details: Physical review. C, Vol.97(3)
Identifiers: 9949652708331
Academic Unit: King Saud University
Language: English
Resource Type: Journal article