AN INTERNAL SUPERCONDUCTING HOLDING-COIL FOR FROZEN SPIN TARGETS

被引：20

作者：

DUTZ, H

GEHRING, R

GOERTZ, S

KRAMER, D

MEYER, W

REICHERZ, G

THOMAS, A

机构：

[1] Physikalisches Institut der Universität Bonn, 53115 Bonn

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1995年 / 356卷 / 01期

关键词：

D O I：

10.1016/0168-9002(94)01457-4

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A new concept of a small superconducting holding magnet, placed inside a polarizing refrigerator, has been developed for frozen spin targets. The superconducting wire has been wound on the inner cooling shield of the vertical dilution refrigerator of the Bonn frozen spin target. The maximum field of the magnet is 0.35 T. The total thickness of the superconducting coil consisting of the wire and the copper carrier is on the order of 500 mu m. Based on this concept, a frozen spin target is under construction for the measurement of the Gerasimov-Drell-Hearn sum rule with polarized real photons at the Mainz microtron MAMI and the Bonn electron stretcher accelerator ELSA.

引用

页码：111 / 115

页数：5

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