Measurement of the neutron capture cross-section of 232Th using the neutron activation technique

  • H. Naik
  • P. M. Prajapati
  • S. V. Surayanarayana
  • K. C. Jagadeesan
  • S. V. Thakare
  • D. Raj
  • V. K. Mulik
  • B. S. Sivashankar
  • B. K. Nayak
  • S. C. Sharma
  • S. Mukherjee
  • Sarbjit Singh
  • A. Goswami
  • S. Ganesan
  • V. K. Manchanda
Regular Article - Experimental Physics

Abstract.

The 232Th(n,\( \gamma\)) reaction cross-section at average neutron energies of 3.7±0.3 MeV and 9.85±0.38 MeV from the 7Li(p, n) reaction has been determined for the first time using activation and off-line \( \gamma\) -ray spectrometric technique. The 232Th(n, 2n) reaction cross-section at the average neutron energy of 9.85±0.38 MeV has been also determined using the same technique. The experimentally determined 232Th(n,\( \gamma\)) and 232Th(n, 2n) reaction cross-sections were compared with the evaluated data of ENDF/B-VII, JENDL-4.0 and JEFF-3.1 and were found to be in good agreement. The present data along with literature data in a wide range of neutron energies were interpreted in terms of competition between different reaction channels including fission. The 232Th(n,\( \gamma\)) and 232Th(n, 2n) reaction cross-sections were also calculated theoretically using the TALYS 1.2 computer code and were found to be slightly higher than the experimental data.

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • H. Naik
    • 1
  • P. M. Prajapati
    • 2
    • 3
  • S. V. Surayanarayana
    • 4
  • K. C. Jagadeesan
    • 5
  • S. V. Thakare
    • 5
  • D. Raj
    • 2
  • V. K. Mulik
    • 6
  • B. S. Sivashankar
    • 7
  • B. K. Nayak
    • 4
  • S. C. Sharma
    • 4
  • S. Mukherjee
    • 3
  • Sarbjit Singh
    • 1
  • A. Goswami
    • 1
  • S. Ganesan
    • 2
  • V. K. Manchanda
    • 1
  1. 1.Radiochemistry DivisionBhabha Atomic Research CentreMumbaiIndia
  2. 2.Reactor Physics Design DivisionBhabha Atomic Research CentreMumbaiIndia
  3. 3.Physics Department, Faculty of ScienceThe M. S. University of BarodaVadodaraIndia
  4. 4.Nuclear Physics DivisionBhabha Atomic Research CentreMumbaiIndia
  5. 5.Radiopharmaceutical DivisionBhabha Atomic Research CentreMumbaiIndia
  6. 6.Department of PhysicsUniversity of PunePuneIndia
  7. 7.Department of StatisticsManipal UniversityManipalIndia

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