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首页> 外文学位 >INDUCTIVE SEARCH FOR MAGNETIC MONOPOLES WITH THREE-LOOP SUPERCONDUCTING DETECTOR AND DESIGN OF EIGHT-LOOP DETECTOR.
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INDUCTIVE SEARCH FOR MAGNETIC MONOPOLES WITH THREE-LOOP SUPERCONDUCTING DETECTOR AND DESIGN OF EIGHT-LOOP DETECTOR.

机译：具有三环超导检测器的磁单极的感应搜索和八环检测器的设计。

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摘要

Superconducting loops can be used to detect the passage of cosmic-ray magnetic monopoles by inductively coupling to the monopole field. A superconducting induction detector with three mutually orthogonal loops and 476 {dollar}{lcub}rm cm{rcub}sp2{dollar} sensing area averaged over solid angle was in operation at Stanford from 25 Jan. 1983 to 20 March 1986. It set a monopole flux limit of {dollar}4.4 times 10sp{lcub}-12{rcub}{dollar} {dollar}{lcub}rm cmsp{lcub}-2{rcub}{rcub}{dollar} {dollar}{lcub}rm ssp{lcub}-1{rcub}{rcub}{dollar} {dollar}{lcub}rm srsp{lcub}-1{rcub}{rcub}{dollar} at 90% confidence limit, the best limit to date with a superconducting detector. This work describes the three-loop detector in detail, provides theoretical analysis of the detector response to a flux of magnetic monopoles, and describes results obtained from the detector. The detector response is found from Monte Carlo simulation of monopole trajectories to determine the locus of possible monopole signals. In addition, a larger detector has been constructed with eight loops laid in octagonal fashion around a cylinder and 1.5 {dollar}{lcub}rm m{rcub}sp2{dollar} sensing area averaged over solid angle, a factor of 30 larger than the three-loop detector. General design aspects of the eight-loop detector are discussed and a similar theoretical analysis of this detector is provided. The detectors are found to be very discriminating against spurious signals.
机译：通过感应耦合到单极场，超导环可用于检测宇宙射线磁性单极的通过。 1983年1月25日至1986年3月，具有三个相互正交的环路和476°感应角平均在立体角上的超导感应探测器在斯坦福大学投入运行。单极通量极限为{dollar} 4.4乘以10sp {lcub} -12 {rcub} {dollar} {dollar} {lcub} rm cmsp {lcub} -2 {rcub} {rcub} {dollar} {dollar} {lcub} rm ssp {lcub} -1 {rcub} {rcub} {dollar} {dollar} {lcub} rm srsp {lcub} -1 {rcub} {rcub} {dollar}的置信度为90％，这是迄今为止的最佳限制超导探测器。这项工作详细描述了三回路检测器，提供了检测器对磁单极通量响应的理论分析，并描述了从检测器获得的结果。从单极轨迹的蒙特卡罗模拟中可以找到检测器的响应，以确定可能的单极信号的轨迹。此外，还构造了一个更大的检测器，该检测器在圆柱体周围以八边形的方式布置了八个环，并在立体角上平均分布了1.5 {dolb} rmc {rcub} sp2 {dollar}感应面积，该面积比反射角大30倍。三回路检测器。讨论了八回路检测器的一般设计方面，并提供了对该检测器的类似理论分析。发现检测器对伪造信号非常有区别。

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  • 作者

    GARDNER, ROBERT DOTSON.;

  • 作者单位

    Stanford University.;

  • 授予单位 Stanford University.;
  • 学科 Physics Elementary Particles and High Energy.
  • 学位 Ph.D.
  • 年度 1987
  • 页码 189 p.
  • 总页数 189
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 高能物理学;
  • 关键词

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