HXMT准直器方案的优化设计

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户：wujunming123123

【摘要】

：

空间硬X射线调制望远镜(HXMT)的性能与探测器的总灵敏面积紧密相关.利用蒙特卡罗工具对仪器的本底和点扩展函数进行计算分析,提出了一种优化的准直器构造方案,能减少探测单元

【作者】

：

金颖康吴枚金永杰庄人遴

【机构】

：

清华大学工程物理系,中国科学院高能物理研究所

【出处】

：

高能物理与核物理

【发表日期】

：

2004年期

【关键词】

：

HXMT 准直器本底点扩展函数蒙特卡罗模拟

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论文部分内容阅读

空间硬X射线调制望远镜(HXMT)的性能与探测器的总灵敏面积紧密相关.利用蒙特卡罗工具对仪器的本底和点扩展函数进行计算分析,提出了一种优化的准直器构造方案,能减少探测单元总质量80多千克,相当于至少5套新探测单元质量.在同样的卫星载荷质量限制下,新方案可以增加探测单元,达到增大总探测灵敏面积,提升HXMT灵敏度和角分辨率等性能的目的.

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HXMT准直器方案的优化设计

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