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      https://www.ias.ac.in/article/fulltext/pram/068/02/0307-0313

    • Keywords

       

      Spallation neutrons; PREPRO; DEIMOS; activation cross-section; ($n, xn$) reactions; Dubna Cascade Code.

    • Abstract

       

      A beam of 1 GeV proton coming from Dubna Nuclotron colliding with a lead target surrounded by 6 cm paraffin produces spallation neutrons. A Th-foil was kept on lead target (neutron spallation source) in a direct stream of neutrons for activation and other samples of 197Au, 209Bi, 59Co, 115In and 181Ta were irradiated by moderated beam of neutrons passing through 6 cm paraffin moderator. The gamma spectra of irradiated samples were analyzed using gamma spectrometry and DEIMOS software to measure the neutron cross-section. For this purpose neutron fluence at the positions of samples is also estimated using PREPRO software. The results of cross-sections for reactions 232Th($n, \gamma$), 232Th($n, 2n$), 197Au($n, \gamma$), 197Au($n, \alpha$), 197Au($n, xn$), 59Co($n, \alpha$), 59Co($n, xn$), 181Ta($n, \gamma$) and 181Ta($n, xn$) are given in this paper. Neutronics validation of the Dubna Cascade Code is also done using cross-section data by other experiments.

    • Author Affiliations

       

      Manish Sharma1 V Kumar1 H Kumawat1 J Adam2 V S Barashenkov2 S Ganesan3 S Golovatiouk2 S K Gupta1 S Kailas3 M I Krivopustov2 H S Palsania1 V Pronskikh2 V M Tsoupko-Sitnikov2 N Vladimirova2 H Westmeier4 W Westmeier4

      1. HENP Laboratory, University of Rajasthan, Jaipur 302 004, India
      2. Joint Institute for Nuclear Research (JINR), Dubna (Russia)
      3. Bhabha Atomic Research Centre (BARC), Mumbai 400 085, India
      4. Fachbereich Chemie, Philipps University, 35032 Marburg, Germany
    • Dates

       
  • Pramana – Journal of Physics | News

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