PRODUCTION OF HIGHLY-CHARGED RECOIL-ION BEAMS AT VERY LOW-ENERGY

被引：10

作者：

CEDERQUIST, H ^{[1
]}

BIEDERMANN, C ^{[1
]}

LEVIN, JC ^{[1
]}

O, CS ^{[1
]}

SELLIN, IA ^{[1
]}

SHORT, RT ^{[1
]}

机构：

[1] OAK RIDGE NATL LAB,OAK RIDGE,TN 37831

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1988年 / 34卷 / 02期

基金：

美国国家科学基金会;

关键词：

ARGON;

D O I：

10.1016/0168-583X(88)90750-1

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

An apparatus for production of an intense, charge-state separated, recoil-ion beam of very low energy and good collimation has been constructed. In a test experiment, in which 30 MeV Cl**5** plus projectiles were used to produce recoil ions, the feasibility of the method was demonstrated. The mass to charge ratio of the beam is selected by means of a Wien-Filter, and the beam energy can be varied between 2q eV and 1q keV with a constant charge-state resolution. Presently, the angular definiton of the beam is 2. 5 degree , but it can be improved by at least a factor of 2. Very low energy Ar-ion beams, of intensities usable for secondary slow collision experiments, can be created for charge states ranging from one to nine. For example, beams of Ar**4** plus and Ar**6** plus of intensities 2. 5 multiplied by 1. 0**4 and 5 multiplied by 10**3 **s** minus **1, respectively can be furnished at energies of 10q eV, while the corresponding numbers for 2q eV beams are approximately five times lower.

引用

页码：243 / 251

页数：9

共 22 条

[11] DYNAMICS OF THE REACTION OF N+ WITH H-2 .5. REACTIVE AND NONREACTIVE SCATTERING OF N+(3P) AT RELATIVE ENERGIES BELOW 3.6-EV [J].