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    • Keywords


      Neutron spectrometer; window filter; time-of-flight; resolution; intensity; beryllium

    • Abstract


      A high resolution neutron spectrometer making use of a ΔT-window filter for the analyser and time-of-flight technique for analysing incident neutron energy has been designed. The spectrometer will provide a continuously variable energy resolution ΔE from 40–50µeV at ∼ 5230µeV. The range of energy transfer allowed is −1450µeV to +2950µeV and the range of wavevector transferQ allowed is 0·82–3·06 Å−1. Depending on the resolution used, the counting rates are expected to vary from 28–60 × 103 counts/hr if one assumes 10% isotropic elastic scattering from the sample.

    • Author Affiliations


      P S Goyal1 C L Thaper1 B A Dasannacharya1

      1. Nuclear Physics Division, Bhabha Atomic Research Centre, Trombay, Bombay - 400 085, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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