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@ARTICLE{Utschick:819536,
author = {Utschick, C. and Skoulatos, M. and Schneidewind, A. and
Böni, P.},
title = {{O}ptimizing the triple-axis spectrometer {PANDA} at the
{MLZ} for small samples and complex sample environment
conditions},
journal = {Nuclear instruments $\&$ methods in physics research / A},
volume = {837},
issn = {0168-9002},
address = {Amsterdam},
publisher = {North-Holland Publ. Co.},
reportid = {FZJ-2016-05179},
pages = {88 - 91},
year = {2016},
abstract = {The cold-neutron triple-axis spectrometer PANDA at the
neutron source FRM II has been serving an international user
community studying condensed matter physics problems. We
report on a new setup, improving the signal-to-noise ratio
for small samples and pressure cell setups. Analytical and
numerical Monte Carlo methods are used for the optimization
of elliptic and parabolic focusing guides. They are placed
between the monochromator and sample positions, and the flux
at the sample is compared to the one achieved by standard
monochromator focusing techniques. A 25 times smaller spot
size is achieved, associated with a factor of 2 increased
intensity, within the same divergence limits, ±2°±2°.
This optional neutron focusing guide shall establish a
top-class spectrometer for studying novel exotic properties
of matter in combination with more stringent sample
environment conditions such as extreme pressures associated
with small sample sizes.},
cin = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
(München) ; JCNS-FRM-II / JCNS-2},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-2-20110106},
pnm = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
Neutron Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
experiment = {EXP:(DE-MLZ)PANDA-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000386059900014},
doi = {10.1016/j.nima.2016.08.060},
url = {https://juser.fz-juelich.de/record/819536},
}