- 作者: 鄭伯昆
- 作者服務機構: Physics Department National Taiwan University
- 中文摘要: The angular distribution of two photons from positron annihilation KBr weremeasured for pure KBr single crystal as well as for colored KBr crystals byirradiating with different doses of r-ray from Co60. The effects of F-center onpositron annihilation are discussed.
- 英文摘要: --
- 中文關鍵字: --
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