ELECTRON-IMPACT DETACHMENT OF D- - NEAR-THRESHOLD BEHAVIOR AND THE NONEXISTENCE OF D2- RESONANCES

被引：74

作者：

ANDERSEN, LH ^{[1
]}

MATHUR, D ^{[1
]}

SCHMIDT, HT ^{[1
]}

VEJBYCHRISTENSEN, L ^{[1
]}

机构：

[1] TATA INST FUNDAMENTAL RES,BOMBAY 400005,MAHARASHTRA,INDIA

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.74.892

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

D- has been stored in the heavy-ion storage ring ASTRID and merged with the electron beam from an electron cooler. The cross section for electron-impact detachment of D- was measured for relative energies from 0 to 20 eV. No evidence is found for the earlier reported resonances that were ascribed to short-lived H2- states. We present a simple classical "reaction-zone" model which essentially reproduces the data except in the region close to the threshold where the cross section is small. © 1995 The American Physical Society.

引用

页码：892 / 895

页数：4

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