Differential and angle-integrated cross sections for the 40Ca(n, α)37Ar reaction from 4.0 to 6.5 MeV

  • Jinhua Han
  • Jiaming Liu
  • Xiang Liu
  • Xiao Fan
  • Zhimin Wang
  • Jinxiang Chen
  • Guohui Zhang
  • Yu. M. Gledenov
  • M. V. Sedysheva
  • L. Krupa
  • G. Khuukhenkhuu
  • P. J. Szalanski
Regular Article - Experimental Physics

Abstract.

Differential cross sections for the 40 Ca(n,\( \alpha_{{0}}^{}\)) , \( (n,\alpha_{1,2})\) and \( (n,\alpha_{3,4,5})\) reactions are measured at neutron energies of 4.0, 4.5, 5.0, 5.5, 6.0 and 6.5MeV using a double-section gridded ionization chamber and two CaF2 samples. Monoenergetic neutrons were produced through the 2 H(d, n)3 He reaction with a deuterium gas target. A BF3 neutron counter was utilized to normalize the neutron flux among different measurements. The absolute value of neutron flux was calibrated using a 238U sample. Angle-integrated cross sections for the 40 Ca(n,\( \alpha_{{0}}^{}\)) , \( (n,\alpha_{1,2})\) and \( (n,\alpha_{3,4,5})\) reactions are obtained from the integration of the differential data. Model calculations are performed using the TALYS-1.6 code and general agreement is achieved between measurements and calculations. Then the total 40Ca(n,\( \alpha\))37Ar cross sections are derived from the angle-integrated cross sections combined with the code calculations. Present results are compared with existing measurements and evaluations.

Keywords

Neutron Energy Deuteron Beam Incident Neutron Energy 37Ar Reaction 40Ca Sample 

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Copyright information

© SIF, Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Jinhua Han
    • 1
  • Jiaming Liu
    • 1
  • Xiang Liu
    • 1
  • Xiao Fan
    • 1
  • Zhimin Wang
    • 1
  • Jinxiang Chen
    • 1
  • Guohui Zhang
    • 1
  • Yu. M. Gledenov
    • 2
  • M. V. Sedysheva
    • 2
  • L. Krupa
    • 2
  • G. Khuukhenkhuu
    • 3
  • P. J. Szalanski
    • 4
  1. 1.State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion PhysicsPeking UniversityBeijingChina
  2. 2.Joint Institute for Nuclear ResearchDubnaRussia
  3. 3.Nuclear Research CentreNational University of MongoliaUlaanbaatarMongolia
  4. 4.University of LodzInstitute of PhysicsLodzPoland

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