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First Experimental Constraint on theFe59(n,γ)Fe
Author(s) -
E. Uberseder,
T. Adachi,
T. Aumann,
S. Beceiro-Novo,
K. Boretzky,
C. Caesar,
I. Dillmann,
O. Ershova,
A. Estradé,
F. Fari,
J. Hagdahl,
T. Heftrich,
M. Heil,
M. Heine,
M. Holl,
A. Ignatov,
H. Johansson,
N. Kalantar,
C. Langer,
T. Le Bleis,
Yu. A. Litvinov,
J. Marganiec,
A. Movsesyan,
M. A. Najafi,
T. Nilsson,
C. Nociforo,
V. Panin,
S. Piétri,
R. Plag,
A. Prochazka,
G. Rastrepina,
R. Reifarth,
V. Ricciardi,
C. Rigollet,
D. M. Rossi,
D. Savran,
H. Simon,
K. Sonnabend,
B. Štreicher,
S. Terashima,
R. Thies,
Y. Togano,
V. Volkov,
F. Wamers,
H. Weick,
M. Weigand,
M. Wiescher,
K. Wimmer,
N. Winckler,
P. J. Woods
Publication year - 2014
Publication title -
physical review letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.688
H-Index - 673
eISSN - 1079-7114
pISSN - 0031-9007
DOI - 10.1103/physrevlett.112.211101
Subject(s) - nucleosynthesis , physics , dissociation (chemistry) , nuclear reaction , nuclear physics , chemistry
The radionuclide Fe-60 has been of great interest to the nuclear astrophysics community for over a decade. An initial discrepancy between the observed and modeled Galactic Fe-60/Al-26 ratio motivated numerous studies focused on the nucleosynthesis of these two isotopes, though the cross section of the primary astrophysical production reaction, Fe-59(n,gamma)Fe-60, has remained purely theoretical. The present work offers a first experimental constraint on the Fe-59(n,gamma)Fe-60 cross section at astrophysical energies, obtained indirectly via Coulomb dissociation, and demonstrates that the theoretical reaction rates used in present stellar models are not highly erroneous

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