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@BOOK{Brckel:16299,
      key          = {16299},
      editor       = {Brückel, Thomas and Heger, Gernot and Richter, Dieter and
                      Roth, Georg and Zorn, Reiner},
      title        = {{L}aboratory {C}ourse {N}eutron {S}cattering: {L}ectures},
      volume       = {27},
      address      = {Jülich},
      publisher    = {Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag},
      reportid     = {PreJuSER-16299},
      isbn         = {978-3-89336-725-2},
      series       = {Schriften des Forschungszentrums Jülich.
                      Schlüsseltechnologien / Key Technologies},
      pages        = {getr. Zählung},
      year         = {2011},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {In this chapter, we will start with a very gentle
                      qualitative introduction entirely without formula to give
                      you an idea what the course is all about. The details will
                      follow in subsequent chapters. Imagine you leave this
                      lecture hall, some mean looking guys dressed entirely in
                      black follow, kidnap and take you to the medieval castle of
                      Nideggen in the close-by Eifel mountains. There you are
                      being thrown into a pitch dark dungeon. You cannot see
                      anything, but you hear some noises. Are there rats? Are
                      there other prisoners? Are there dragons? Luckily you
                      remember that you have some matches in your pocket. You
                      light a match, you can see everything around you and
                      everything becomes clear to you… What I have just
                      described is essentially like a scattering experiment:
                      figuratively it sheds light into darkness and helps us
                      understand the world around us. Let’s analyse what you did
                      in the dungeon: first when you light the match, you start a
                      source of radiation. Here the radiation is light. This light
                      then gets scattered (reflected, transmitted) from the
                      surrounding objects. In a scientific scattering experiment,
                      we will call this object a “sample”. Back to the
                      dungeon: some of this radiation gets scattered into your
                      eye. Your eye serves as very special radiation detector:
                      with its lens, it is able to even make an image of the
                      objects on the retina, which in the language of a physicist
                      would be called an “area position sensitive pixel
                      detector”. This image contains lots of information: the
                      colour of the backscattered light tells you something about
                      the absorption of certain components of the light and
                      therefore gives information about the material the light is
                      scattered from. The position of the signal on the retina
                      gives you information about the spatial arrangement of the
                      objects around you. And finally the time dependence of the
                      signal tells you that the monster is actually crawling
                      towards you, ready to attack. All this information has to be
                      treated and interpreted. This is done by our brain, an
                      extremely powerful computer to analyse this wealth of data.
                      This little example shows you the importance of scattering
                      for our understanding of the world: nearly all information
                      that we as individuals have about the world in which we live
                      comes from light scattering and imaging through our eyes. It
                      is only natural that scientists mimic this process of
                      obtaining information in well controlled scattering
                      experiments: they build a source of radiation, direct a beam
                      of radiation towards a sample, detect the radiation
                      scattered from a sample, i. e. convert the signal into an
                      electronic signal, which they can then treat by means of
                      computers. In most cases one wants an undisturbed image of
                      the object under investigation and therefore chooses the
                      radiation, so that it does not influence or modify the
                      sample. Scattering is therefore a non-destructive and very
                      gentle method, if the appropriate type of radiation is
                      chosen for the experiment. [...]},
      cin          = {PGI-4 / JCNS-2 / ICS-1 / JCNS-1 / JARA-FIT},
      cid          = {I:(DE-Juel1)PGI-4-20110106 / I:(DE-Juel1)JCNS-2-20110106 /
                      I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {Grundlagen für zukünftige Informationstechnologien /
                      Großgeräte für die Forschung mit Photonen, Neutronen und
                      Ionen (PNI) / BioSoft: Makromolekulare Systeme und
                      biologische Informationsverarbeitung},
      pid          = {G:(DE-Juel1)FUEK412 / G:(DE-Juel1)FUEK415 /
                      G:(DE-Juel1)FUEK505},
      typ          = {PUB:(DE-HGF)3},
      url          = {https://juser.fz-juelich.de/record/16299},
}