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@ARTICLE{Ophoven:910787,
author = {Ophoven, Niklas and Ilic, Zeljko and Mauerhofer, Eric and
Randriamalala, Tsitohaina H. and Vezhlev, Egor and
Stieghorst, Christian and Révay, Zsolt and Brückel, Thomas
and Jolie, Jan and Strub, Erik},
title = {{F}ast neutron induced gamma rays from (n,n’), (n,p) and
(n,α) reactions on {C}a{CO}3},
journal = {Journal of radioanalytical and nuclear chemistry},
volume = {331},
issn = {0022-4081},
address = {Dordrecht [u.a.]},
publisher = {Springer Science + Business Media B.V.},
reportid = {FZJ-2022-04139},
pages = {5729-5740},
year = {2022},
abstract = {Emission of prompt gamma rays following (n,n’), (n,p) and
(n,α) reactions induced by irradiation of a calcium
carbonate (CaCO3) sample with a beam of fission neutrons was
investigated with a modified version of the FaNGaS (Fast
Neutron-induced Gamma-ray Spectrometry) instrument operated
at the Heinz Maier-Leibnitz Zentrum (MLZ) in Garching. The
neutron spectrum has an average energy of 2.30 MeV and at
sample position the fast neutron flux was
(1.13 ± 0.04) × 108 cm−2 s−1. The
measurement was performed at an angle of 90° between
neutron beam and detector. In total, we claim the
identification of 38 prompt gamma lines, from which we have
assigned 12 to the (n,n’) reaction in calcium (7 for 40Ca,
1 for 42Ca and 4 for 44Ca), 1 to the 12C(n,n’)12C
reaction, and 2 to the (n,n’) reaction in oxygen (1 for
16O and 1 for 18O). The other observed gamma lines are
attributed to the 40Ca(n,p)40K reaction (20 lines) and to
the 40Ca(n,α)37Ar reaction (3 lines). Relative intensities
and fast neutron spectrum averaged partial cross sections of
the gamma lines are presented and compared with available
literature data. Our results were found to be in good
agreement with available literature data but also improved
and complemented it, as we have pointed out possible errors
and identified new lines. Additionally, for a counting time
of 12 h the detection limits of calcium, carbon and oxygen
were determined as 5, 13 and 64 mg, respectively.},
cin = {JCNS-2 / PGI-4 / JARA-FIT / JCNS-HBS / JCNS-ESS /
JCNS-FRM-II},
ddc = {540},
cid = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
$I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-HBS-20180709 /
I:(DE-Juel1)JCNS-ESS-20170404 /
I:(DE-Juel1)JCNS-FRM-II-20110218},
pnm = {632 - Materials – Quantum, Complex and Functional
Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
Research (JCNS) (FZJ) (POF4-6G4)},
pid = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
experiment = {EXP:(DE-MLZ)PGAA-20140101 / EXP:(DE-MLZ)MEDAPP-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000878006600004},
doi = {10.1007/s10967-022-08594-6},
url = {https://juser.fz-juelich.de/record/910787},
}