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@INPROCEEDINGS{Rcker:877655,
      author       = {Rücker, U. and Zakalek, P. and Voigt, J. and Lieutenant,
                      K. and Li, Jingjing and Cronert, T. and Gutberlet, T. and
                      Brückel, T. and Böhm, S.},
      title        = {{M}oderator-{R}eflector {A}ssembly for {HBS}},
      reportid     = {FZJ-2020-02368},
      year         = {2020},
      abstract     = {In a compact accelerator driven neutron source, the design
                      of the moderator/reflector system is crucial to convert the
                      fast neutrons produced at the compact target into a thermal
                      or cold neutron cloud that can be extracted with a high
                      brilliance. A quick moderation together with a small
                      diffusion length in the thermal moderator is suitable to
                      confine the thermal neutrons in a small space, yielding a
                      high phase space density for extraction into a small space,
                      e.g. to feed a neutron guide or a 1-dimensional cold neutron
                      source. On the other hand, a strong confinement of the
                      neutron cloud inside the thermal moderator has an influence
                      to the neutron pulse length, which is important for the
                      resolution of time-of-flight instruments. Increased
                      absorption or leakage may result into shorter pulses, while
                      longer pulses intended to accumulate more thermal neutrons
                      in a larger volume can be achieved by diluting the hydrogen
                      rich thermal moderator material. Therefore, the
                      moderator/reflector system has to be adapted to the desired
                      pulse length and will be different at the different target
                      stations of the HBS facility to serve the proper resolution
                      for different instrument types.},
      month         = {Jun},
      date          = {2020-06-22},
      organization  = {The Japanese RIKEN Center for Advanced
                       Photonics (RAP) and the Jülich Centre
                       for Neutron Science (JCNS) fourth joint
                       workshop on compact accelerator-driven
                       neutron sources (CANS) special webinar,
                       Forschungszentrum Jülich (Germany), 22
                       Jun 2020 - 24 Jun 2020},
      subtyp        = {Invited},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT / JCNS-HBS},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-HBS-20180709},
      pnm          = {144 - Controlling Collective States (POF3-144) / 524 -
                      Controlling Collective States (POF3-524) / 6212 - Quantum
                      Condensed Matter: Magnetism, Superconductivity (POF3-621) /
                      6213 - Materials and Processes for Energy and Transport
                      Technologies (POF3-621) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
                      G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6213 /
                      G:(DE-HGF)POF3-6G4},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/877655},
}