Methodological Study on Change in Half Life of 210 Po Embedded in a Metallic Medium at Ultra-Low Temperature

Autor:	Xiangdong Ruan, Shan Jiang, Xian-Wen He, Shaoyong Wu, Jian Yuan, Ming He, De-Yu Lin, Kejun Dong, Yongjing Guan
Rok vydání:	2012
Předmět:	Materials science Isotope Analytical chemistry General Physics and Astronomy chemistry.chemical_element Cryogenics Atmospheric temperature range Bismuth Metal chemistry Impurity visual_art visual_art.visual_art_medium Nuclide Radioactive decay
Zdroj:	Chinese Physics Letters. 29:072301
ISSN:	1741-3540 0256-307X
DOI:	10.1088/0256-307x/29/7/072301
Popis:	It has been claimed that the half-life of radioactive nuclides embedded in metals may be significantly affected by the screening of quasi-free electrons provided by the metals, especially at the cryogenic temperature. We determine the α-decay half-life values of 210Po in high purity metallic bismuth at 4.2 K and 293 K. The results show that the α-decay half-life of 210Po at T = 4.2 K is about (24 ± 8)% shorter than that at room temperature.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::3db05d6b1d0d095ff6b0cf7d633628aa https://doi.org/10.1088/0256-307x/29/7/072301 Zobrazit plný text záznamu