The quenching of ortho-positronium

被引：22
|
作者：
Hyodo, Toshio [1 ,2 ]
Nakayama, Takashi [1 ]
Saito, Haruo [1 ]
Saito, Fuminori [1 ]
Wada, Ken [2 ]
机构：
[1] Univ Tokyo, Inst Phys, Grad Sch Arts & Sci, Meguro Ku, 3-8-1 Komaba, Tokyo 1538902, Japan
[2] Univ Tokyo, Coll Arts & Sci, Komaba Org Educ Dev, Tokyo 1538902, Japan
来源：
PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 6, NO 11 | 2009年 / 6卷 / 11期
关键词：
ANNIHILATION; SCATTERING; CONVERSION; OXYGEN; KR;
D O I：
10.1002/pssc.200982118
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ortho-positronium (o -Ps), which self-annihilates into 3 with a lifetime of 142ns, may be quenched through various interactions with atoms and molecules. The quenching process of o -Ps in gases, (i) pick-off quenching, (ii) attachment (chemical) quenching, (iii) spin conversion quenching through electron exchange, (iv) spin conversion quenching through spin-orbit interaction with a heavy atom, are reviewed. (C) 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：2497 / +
页数：2
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