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Low-temperature formation of positronium in nonpolymer organic systems
Shantarovich, VP; Yu RS(于润升); Yu, RS; Kino, Y; Hama, Y; Gustov, VW
2011
发表期刊HIGH ENERGY CHEMISTRY
卷号45期号:4页码:342-348
通讯作者[Shantarovich, V. P. ; Gustov, V. W.] Russian Acad Sci, Semenov Inst Chem Phys, Moscow 119991, Russia ; [Yu, R. S.] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Kino, Ya. ; Hama, Ya.] Tohoku Univ, Dept Chem, Sendai, Miyagi 9808378, Japan
摘要The phenomenon of the low-temperature formation of positronium (bound electron-positron system) observed during positron irradiation of a test substance is discussed. The effect is additional relative to the formation of positronium under normal conditions and, like the principal phenomenon, is radiation-chemical in nature. This effect has been discovered and studied mainly for polymers, in which the role of weakly bound electrons and positron localization (trapping) in the intensity of manifestation of this phenomenon was revealed. This review focuses on studies concerning barely investigated nonpolymer (polar and nonpolar) organic systems, in which a relatively high mobility of molecules as compared to polymers can open an opportunity for a more pictorial manifestation of positron and electron trapping by polar centers, both belonging to separate molecules and resulting from collective orientation of the molecules.
文章类型Article
学科领域Chemistry
研究领域[WOS]Chemistry
DOI10.1134/S0018143911040151
URL查看原文
语种英语
WOS类目Chemistry, Physical
WOS记录号WOS:000292466700013
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237064
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Shantarovich, VP,Yu RS,Yu, RS,et al. Low-temperature formation of positronium in nonpolymer organic systems[J]. HIGH ENERGY CHEMISTRY,2011,45(4):342-348.
APA Shantarovich, VP,于润升,Yu, RS,Kino, Y,Hama, Y,&Gustov, VW.(2011).Low-temperature formation of positronium in nonpolymer organic systems.HIGH ENERGY CHEMISTRY,45(4),342-348.
MLA Shantarovich, VP,et al."Low-temperature formation of positronium in nonpolymer organic systems".HIGH ENERGY CHEMISTRY 45.4(2011):342-348.
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