A LASER OPTICALLY PUMPED POLARIZED HE-3 TARGET FOR STORAGE-RINGS

被引：15

作者：

LEE, K ^{[1
]}

HANSEN, JO ^{[1
]}

VANDENBRAND, JFJ ^{[1
]}

MILNER, RG ^{[1
]}

机构：

[1] MIT,DEPT PHYS,NUCL SCI LAB,CAMBRIDGE,MA 02139

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1993年 / 333卷 / 2-3期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0168-9002(93)91169-N

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A polarized He-3 target for use in a storage ring has been constructed and tested. The target employs an infrared laser to polarize He-3 atoms by metastability exchange optical pumping in a Pyrex glass cell which is connected by a glass capillary to a windowless target storage cell. The target polarization direction is determined by a 3 mT magnetic field. With 3 W of incident laser power, equilibrium polarizations of 50% at a flow rate of 1 x 10(17) He-3 atoms/s have been routinely achieved. Two techniques have been investigated to rapidly reverse the He-3 target polarization. Further, a scheme to interface the glass pumping cell with the storage ring vacuum has been developed.

引用

页码：294 / 303

页数：10

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