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@INPROCEEDINGS{Rimmler:889355,
author = {Rimmler, Marius and Li, Jiatong and Li, Jingjing and
Mauerhofer, Eric and Rücker, Ulrich and Zakalek, Paul and
Gutberlet, Thomas and Brückel, Thomas},
title = {{N}eutron yield measurements for {B}e, {V} and {T}a targets
from 22-42 {M}e{V} proton beams},
reportid = {FZJ-2021-00244},
year = {2020},
abstract = {The High Brilliance neutron Source (HBS) project aims to
develop a scalable Compact Accelerator-driven Neutron Source
(CANS) enabling neutron fluxes at the corresponding
instruments comparable to medium-flux fission-based research
reactors. For scalable CANS, the target material providing
the largest neutron yield depends on the energy of the
sub-100 MeV primary proton beam. Simulations based on the
TENDL database suggest that low-Z materials, e.g. Beryllium
and Vanadium, generate more neutrons at proton beam energies
below 20 MeV while high-Z materials, e.g. Tantalum, generate
more neutrons at proton beam energies above 20 MeV. In order
to improve the reliability of the underlying databases, the
neutron yield of p+Be, p+V and p+Ta for 22, 27, 33 and 42
MeV protons is indirectly determined by a novel method
through the measurement of the 2.23 MeV gamma ray of
hydrogen induced by thermal neutron capture in a
polyethylene moderator. The neutron to gamma conversion rate
is measured with an AmBe calibration neutron source.
Corrections for escaped neutrons are applied via an MCNP
simulation of the experiment. This contribution presents the
experimental results and a comparison with the neutron yield
obtained from simulations.},
month = {Dec},
date = {2020-12-08},
organization = {MLZ User Meeting $\&$ German Neutron
Scattering Conference 2020, online
event (online event), 8 Dec 2020 - 10
Dec 2020},
subtyp = {Invited},
cin = {JCNS-2 / JCNS-HBS / IKP-4},
cid = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)JCNS-HBS-20180709
/ I:(DE-Juel1)IKP-4-20111104},
pnm = {6G4 - Jülich Centre for Neutron Research (JCNS)
(POF3-623)},
pid = {G:(DE-HGF)POF3-6G4},
typ = {PUB:(DE-HGF)24},
url = {https://juser.fz-juelich.de/record/889355},
}