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Light yield non-proportionality of organic and inorganic scintillators exposed to alpha rays of various energy
The influence of entrance surface for radiation state of Csl:TI, Csl:Na, stilbene and p-terphenyl scintillators on non-proportionality of light yield to the alpha-particle energy lias been studied. It has been shown that formation of disrupted near-surface layer results in increasing microheterogene...
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Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
НТК «Інститут монокристалів» НАН України
2006
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Series: | Functional Materials |
Online Access: | http://dspace.nbuv.gov.ua/handle/123456789/144385 |
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Summary: | The influence of entrance surface for radiation state of Csl:TI, Csl:Na, stilbene and p-terphenyl scintillators on non-proportionality of light yield to the alpha-particle energy lias been studied. It has been shown that formation of disrupted near-surface layer results in increasing microheterogeneity of specific light yield over the crystal surface and depth. The organic and alkali-halide scintillator samples show considerable specific light output variations depending 011 alpha-particle energy. These samples have essential structural disruptions of entrance surface for radiation. A correlation is observed between the nonproportionality and pulse height resolution: the less non-proportionality is, the less is the pulse-height resolution value within the range of used alpha-particle energies. |
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