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@INPROCEEDINGS{Ma:1005607,
      author       = {Ma, Zhanwen and Lieutenant, Klaus and Voigt, Jörg and
                      Schrader, Tobias and Gutberlet, Thomas and Brückel, Thomas},
      title        = {{A} macromolecular diffractometer for the {H}igh
                      {B}rilliance {N}eutron {S}ource ({HBS})},
      reportid     = {FZJ-2023-01557},
      year         = {2023},
      abstract     = {The HBS project for a High Current Accelerator-based
                      Neutron Source (HiCANS) uses a pulsed proton beam of 70 MeV
                      energy and 100 kW of time-averaged power for each target
                      station. With the benefit of the time structure, a low
                      background, and flexible, high brilliance moderator set-ups,
                      the instruments at the HBS are expected to be very
                      competitive to existing state-of-the-art scattering
                      instruments [1]. The low dimensional moderators of the HBS
                      are well suited for instruments studying small samples. A
                      prototypical example is neutron macromolecular
                      diffractometers, where typical sample volumes reach from
                      0.01 mm3 to 1 mm3. In this work, the design progress of a
                      macromolecular diffractometer for the HBS will be presented.
                      SELENE neutron guides will be used in this instrument. The
                      neutron optics have been optimized with VITESS Monte Carlo
                      simulations. With the optimized neutron optics, we can
                      obtain a low background, and a very bright, tunable neutron
                      beam spot at the sample with a cross-section as small as 1
                      mm2, thus promising a very competitive instrument for the
                      life science community.This work is part of the
                      collaboration within ELENA and LENS on the development of
                      HiCANS. It has been funded in part by BMBF, GNeuS, and
                      CSC.[1] Gutberlet T. Conceptual Design Report-Jülich High
                      Brilliance Neutron Source (HBS). Brückel T, editor.
                      Forschungszentrum Jülich GmbH, Zentralbibliothek, Verlag;
                      2020.E-mail of the corresponding author:
                      zh.ma@fz-juelich.de},
      month         = {Mar},
      date          = {2023-03-19},
      organization  = {Eighth European Conference on Neutron
                       Scattering, TUM Department of
                       Mechanical Engineering and the new
                       Science Congress Center Munich
                       (Germany), 19 Mar 2023 - 23 Mar 2023},
      subtyp        = {Invited},
      cin          = {JCNS-2 / PGI-4 / JCNS-HBS / JARA-FIT / JCNS-FRM-II},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      I:(DE-Juel1)JCNS-HBS-20180709 / $I:(DE-82)080009_20140620$ /
                      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},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/1005607},
}