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@INPROCEEDINGS{Schrader:1053103,
author = {Schrader, Tobias Erich and Jialian, He},
othercontributors = {Konik, Peter},
title = {{D}evelopment of a new {M}acromolecular {I}nstrument at the
{H}igh {B}rilliance {N}eutron {S}ource in {J}ülich},
reportid = {FZJ-2026-01443},
year = {2025},
abstract = {Neutron protein crystallography requires a highly brilliant
beam in order to measure very small biological single
crystals, which typically measure between 0.01 and 1 mm³.
Additionally, these crystals have a large unit cell size,
which may be as large as 200 Å in at least one dimension.
This makes it challenging for neutron beamlines to
accommodate this type of measurement. The Jülich High
Brilliance Neutron Source is a potential future source of
neutrons for Germany. As part of this project, the design
and simulation of a macromolecular diffractometer at the 24
Hz TMR station with a conventional 80 m long neutron guide
using a cold moderator is planned. An optimized elliptical
guide was developed for a neutron bandwidth of 2-4 Å.
Simulations suggest that the 80 m instrument will have a
flux of 3.3×106 n/s/cm² and a brilliance transfer of
$91.7\%$ within a divergence of ±0.4°. Furthermore, it is
proposed that the diameter of the smallest moderator should
be 14 mm.},
month = {Dec},
date = {2025-12-03},
organization = {MLZ User Meeting 2025, München
(Germany), 3 Dec 2025 - 4 Dec 2025},
subtyp = {After Call},
cin = {JCNS-4 / JCNS-FRM-II / MLZ},
cid = {I:(DE-Juel1)JCNS-4-20201012 /
I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3},
pnm = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
(POF4-6G4) / 632 - Materials – Quantum, Complex and
Functional Materials (POF4-632)},
pid = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
experiment = {EXP:(DE-MLZ)BIODIFF-20140101},
typ = {PUB:(DE-HGF)24},
url = {https://juser.fz-juelich.de/record/1053103},
}