On the use of a composite moderator at the IBR-2 reactor: Advantages for the neutron-diffraction texture analysis of rocks

  • M. V. Bulavin
  • R. N. Vasin
  • S. A. Kulikov
  • T. Lokaichek
  • D. M. Levin


A unique cold moderator based on a mixture of mesitylene and m-xylene is developed for the IBR-2 pulsed reactor. If combined with a standard warm-water moderator, it provides a high neutron flux in a wide wavelength range. The advantages of the use of this composite moderator in neutron-diffraction texture analysis are discussed using the example of a sample of slate (formed from five minerals) studied using the SKAT diffractometer. The diffraction data obtained in experiments with warm-water and composite moderators are compared.


cold moderator neutron-diffraction texture analysis phase analysis Rietveld method 


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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • M. V. Bulavin
    • 1
  • R. N. Vasin
    • 1
  • S. A. Kulikov
    • 1
  • T. Lokaichek
    • 2
  • D. M. Levin
    • 3
  1. 1.Frank Laboratory of Neutron PhysicsJoint Institute for Nuclear ResearchDubnaRussia
  2. 2.Institute of GeologyCzech Academy of SciencesPragueCzech Republic
  3. 3.Tula State UniversityTulaRussia

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