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Graphical Presentation Of Alpha-Decay Processes

Author

Listed:
  • MOON H. CHA

    (Department of Physics, Purdue University, West Lafayette, IN 47907-1396, USA)

  • YEONG E. KIM

    (Department of Physics, Purdue University, West Lafayette, IN 47907-1396, USA)

Abstract

We illustrate wavefunctions and half-lives ofα-radioactive even-A thorium isotopes based on the simple semi-classical theory of alpha-decay process. The potential is assumed to take an attractive square-well form inside the potential barrier and to take a repulsive Coulomb one outside the barrier. Overall for the even-A thorium isotopes, only two parametersr0=1.14fm andV0=16MeV are used. Outside the region of a potential barrier, an obvious oscillating feature of wavefunction for218Thnucleus does not appear until theQαvalue is less than 20 MeV. Such a characteristic feature is confirmed by the three dimensional surface plot for the wave function of218Thnucleus. Our predicted values of half-life for even-A thorium isotopes are agreed satisfactorily with the observed results as a whole.

Suggested Citation

  • Moon H. Cha & Yeong E. Kim, 1999. "Graphical Presentation Of Alpha-Decay Processes," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 10(01), pages 17-27.
    • Handle: RePEc:wsi:ijmpcx:v:10:y:1999:i:01:n:s0129183199000036
    DOI: 10.1142/S0129183199000036
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