...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Superconductor Science & Technology >A prototype of a highly sensitive cryogenic current comparator with a HTS SQUID and HTS magnetic shield
【24h】

A prototype of a highly sensitive cryogenic current comparator with a HTS SQUID and HTS magnetic shield

机译：具有HTS SQUID和HTS磁屏蔽的高灵敏度低温电流比较器的原型

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A highly sensitive cryogenic current comparator (CCC) for the measurement of the intensity of faint beams, such as a radioisotope beam, was developed for the RIKEN RI beam factory project. This monitor is composed of a high-temperature superconducting (HTS) magnetic shield and an HTS current sensor including an HTS superconducting quantum interference device (SQUID), which are cooled by a low-vibration pulse-tube refrigerator. Both the HTS magnetic shield and the HTS current sensor based on Bi_2-Sr_2-Ca_2-Cu_3-O_x (Bi-2223) were fabricated by dip-coating on a 99.9 percent MgO ceramic substrate. Recently, a prototype of the HTS SQUID CCC system was completed and we carried out the first measurements using DC ion beams in the current range of 0.5-20 mu A, which were produced by the ECR (electron cyclotron resonance) ion source in the CNS experimental hall. After the measurement was successfully carried out in the CNS, we installed the system into the beam transport line of the RIKEN Ring Cyclotron (RRC) to measure the current of the high-energy heavy-ion beam which has a bunched microstructure. In this paper, we describe the performance and the present status of the prototype of the HTS SQUID CCC system and the results of the ion beam measurement.
机译：为RIKEN RI束工厂项目开发了一种用于测量微弱束（例如放射性同位素束）强度的高灵敏度低温电流比较器（CCC）。该监视器由高温超导（HTS）磁屏蔽罩和包括HTS超导量子干涉装置（SQUID）的HTS电流传感器组成，并通过低振动脉冲管制冷机进行冷却。通过在99.9％的MgO陶瓷基板上浸涂来制造基于Bi_2-Sr_2-Ca_2-Cu_3-O_x（Bi-2223）的HTS磁屏蔽和HTS电流传感器。最近，HTS SQUID CCC系统的原型已经完成，我们使用电流范围为0.5-20μA的DC离子束进行了首次测量，该离子束是由CNS中的ECR（电子回旋共振）离子源产生的实验大厅。在CNS中成功完成测量后，我们将系统安装到RIKEN环形回旋加速器（RRC）的束传输线中，以测量具有聚束微结构的高能重离子束的电流。在本文中，我们描述了HTS SQUID CCC系统原型的性能和现状以及离子束测量的结果。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号