A study of self-quenching of lyoluminescence yield from gamma-irradiated saccharides and amino acids
作者:
K. Kundu,
B. Mitra,
期刊:
Radiation Effects
(Taylor Available online 1984)
卷期:
Volume 85,
issue 3
页码: 123-130
ISSN:0033-7579
年代: 1984
DOI:10.1080/01422448408210074
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Tissue equivalent (TE) lyoluminescence (LL) dosimetry requires practical amount of phosphor for dissolution, typically 5-30 mg. Pronounced mass quenching effect has been observed even in the region of 5 mg, in the cases of LL of lactose-monohydrate, d-glucose, d-mannose, raffinose, sucrose and 1-glutamine. Ordinary concentration-quenching is non-existent but yield per mg falls rapidly with increasing mass of the phosphor. The curves have been fitted with a self-absorption type formula. A well-recognised dose effect is present in quenching curves. The role of free radicals at high radiation doses has been discussed in the contribution of dose effect in quenching.
点击下载:
PDF (304KB)
返 回