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

页码：2497 / +

页数：2

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