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THE LIFETIME MEASUREMENT OF THE 28Si COMPOUND STATE OF 13.095 MeV BY THE BLOCKING EFFECT

JIN WEI-GUO ZHAO GUO-QING SHAO QI-YUN REN YUE-HUA WU XIANG-JIAN ZHOU ZHU-YING

THE LIFETIME MEASUREMENT OF THE 28Si COMPOUND STATE OF 13.095 MeV BY THE BLOCKING EFFECT

JIN WEI-GUO, ZHAO GUO-QING, SHAO QI-YUN, REN YUE-HUA, WU XIANG-JIAN, ZHOU ZHU-YING
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  • Received Date:  18 June 1986
  • Published Online:  18 March 2005

THE LIFETIME MEASUREMENT OF THE 28Si COMPOUND STATE OF 13.095 MeV BY THE BLOCKING EFFECT

  • 1. 复旦大学原子核科学系

Abstract: The methods for treating the Al single crystals have been improved and high quality crystals are obtained. The experiment of radiation damage in the Al crystals is carried out and the lifetime of the 28Si compound state of 13.095 MeV, excited by the 27Al(p,a)24 Mg resonant reaction at Ep = 1565keV, is measured. The lifetime, τ = 16.3±2.4 as, is deduced by comparison with the calibration curves calculated with Monte Carlo model and "analytical" methods. The corresponding energy level widtk, Γ = 40±6eV, is in good agreement with that reported in the literature.

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