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CHANNELING OF PROTON IN α-LiIO3 SINGLE CRYSTAL

LIU JIA-RUI ZHANG QI-CHU

CHANNELING OF PROTON IN α-LiIO3 SINGLE CRYSTAL

LIU JIA-RUI, ZHANG QI-CHU
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  • Received Date:  13 February 1986
  • Published Online:  20 March 2005

CHANNELING OF PROTON IN α-LiIO3 SINGLE CRYSTAL

  • 1. 中国科学院物理研究所

Abstract: The 〈0001〉axial channeling parameters, axial half-angle ψ1/2 and minimum yield xmin, of α-LiIO3 crystal have been measured by collimated MeV proton beam at different beam energies. Under the action of an electrostatic field along the c-direction of the crystal, the increase of channeling-backscattering yield from the surface I atoms, proportional to the duration of electrostatic field action, has been observed. The time-dependence of the amount of the random surface I atoms has been calculated quantitatively for different durations of electrostatic field action. The increase of the α-particle yield from proton induced 7Li(P,a)4He reaction-channeling with the duration of electrostatic field action has been observed as well.

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