• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>Proceedings of the 32nd International Cosmic Ray Conference >Qualification Tests of the Space-Based POLAR X-Ray Polarimeter
【24h】

Qualification Tests of the Space-Based POLAR X-Ray Polarimeter

机译：天基POLAR X射线旋光仪的鉴定测试

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

POLAR (see abstract ID:1128) is a novel compact space-borne Compton polarimeter conceived for a precise measurement of hard X-ray polarization and optimized for the detection of the prompt emission of Gamma-Ray Bursts (GRB) in the energy range 50.500 keV. This paper describes the performances of one modular unit of the Engineering and Qualification Model (EQM) of POLAR measured during the qualification test campaign. In December 2009 we performed a systematic calibration of one modular unit of POLAR with a 100% polarized high-energy (200.511 keV) synchrotron radiation source at European Synchrotron Radiation Facility (ESRF). The detector was displaced several times on the beam line in order to achieve a uniform illumination, which mimics the flux from a GRB placed on the zenith of the experiment. Several rotations of the detector around the beam axis allowed us to test the response of POLAR to several polarization angles. The analysis of ESRF data shows that the input polarization angle is reconstructed within 2 u000e and that the modulation factors μ100 have values between 30% and 50% depending on the beam energy. Monte Carlo simulations performed with GEANT4 confirm the experimental results. One modular unit of POLAR has also been tested with low-energy synchrotron radiation (22 keV) at the Swiss Light Source (SLS) in PSI to systematically scan the energy threshold of each channel. The tests at SLS show that the ASIC read-out electronics is able to trigger independently on each channel with a threshold of few keV. The combined measurements from ESRF and SLS indicate that POLAR performances are as expected and that POLAR will be able to reach a minimum detectable polarization degree (1-u001b level) of about 3% for several GRB measurements per year. The present paper describes also the qualification tests performed during the first 6 months of 2011: vibration, irradiation, thermal and thermo-vacuum tests. A full-scale model of POLAR, consisting of 25 modular units, is currently under construction based on the positive outcome of the qualification tests, in view of a flight on the Chinese spacelab TG-2 expected in 2014.
机译：POLAR（请参见摘要ID：1128）是一种新颖的紧凑型星载康普顿旋光仪，其设计用于精确测量硬X射线偏振，并优化用于检测能量范围为50.500的瞬发伽玛射线爆裂（GRB）。 keV。本文介绍了在资格测试活动中测得的POLAR工程与资格模型（EQM）的一个模块化单元的性能。 2009年12月，我们在欧洲同步辐射器（ESRF）对100％极化高能（200.511 keV）同步加速器辐射源进行了POLAR模块化单元的系统校准。检测器在光束线上移动了几次，以实现均匀的照明，该照明模仿了置于实验顶点的GRB的通量。检测器围绕光束轴的几次旋转使我们能够测试POLAR对几个偏振角的响应。对ESRF数据的分析表明，输入偏振角在2 u000e范围内重构，并且调制因子μ100的值在30％到50％之间，具体取决于光束能量。用GEANT4进行的蒙特卡洛模拟证实了实验结果。 POLAR的一个模块化单元也已在PSI的瑞士光源（SLS）上用低能量同步加速器辐射（22 keV）进行了测试，以系统地扫描每个通道的能量阈值。 SLS上的测试表明，ASIC读出电子设备能够以几keV的阈值在每个通道上独立触发。 ESRF和SLS的组合测量结果表明POLAR性能符合预期，并且对于每年的几次GRB测量，POLAR将能够达到约3％的最小可检测偏振度（1-u001b水平）。本文还介绍了在2011年的前6个月内进行的资格测试：振动，辐射，热和热真空测试。鉴于2014年中国TG-2航天飞机的飞行，目前正在根据资格测试的积极结果，构建由25个模块单元组成的POLAR的全尺寸模型。

著录项

  • 来源
  • 会议地点 Beijing(CN)
  • 作者

    J. SUN; G. LAMANNA; LU LI; C. LECHANOINE-LELUC; R. MARCINKOWSKI; M. POHL; N. PRODUIT; D. RAPIN; D. RYBKA; E.SUAREZ-GARCIA; J.-P. VIALLE; S. ORSI; B. WU; H. XIAO; W. XING; A. ZHANG; LI ZHANG; S. ZHANG; Y. ZHANG; P. AZZARELLO; I.BRITVITCH; F. CADOUX; J. CHAI; D. HAAS; W. HAJDAS; V.;

  • 作者单位

    Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China,100049 DPNC, 24 Quai Ernest-Ansermet, Universite de Geneve, 1205 Geneve, Switzerland and Center for Astroparticle Physics(CAP), Geneve, Switzerland;

    Laboratoire d'Annecy-le-Vieux de Physique des Particules, 9 Chemin de Bellevue, F-74941 Annecy-le-Vieux, France;

    Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China,100049;

    DPNC, 24 Quai Ernest-Ansermet, Universit′e de Geneve, 1205 Geneve, Switzerland and Center for Astroparticle Physics(CAP), Geneve, Switzerland;

    The Andrzej Soltan Institute for Nuclear Studies, 05-400 Swierk/Otwock, Poland;

    DPNC, 24 Quai Ernest-Ansermet, Universit′e de Geneve, 1205 Geneve, Switzerland and Center for Astroparticle Physics(CAP), Geneve, Switzerland;

    ISDC, Data Centre for Astrophysics, 16 Chemin d′ Ecogia, 1290 Versoix, Switzerland and Center for AstroparticlePhysics (CAP), Geneve, Switzerland;

    DPNC, 24 Quai Ernest-Ansermet, Universite de Geneve, 1205 Geneve, Switzerland and Center for Astroparticle Physics(CAP), Geneve, Switzerland;

    Paul Scherrer Institut, 5232 Villigen PSI, Switzerland The Andrzej Soltan Institute for Nuclear Studies, 05-400 Swierk/Otwock, Poland;

    DPNC, 24 Quai Ernest-Ansermet, Universite de Geneve, 1205 Geneve, Switzerland and Center for Astroparticle Physics(CAP), Geneve, Switzerland;

    Laboratoire d'Annecy-le-Vieux de Physique des Particules, 9 Chemin de Bellevue, F-74941 Annecy-le-Vieux, France;

    DPNC, 24 Quai Ernest-Ansermet, Universite de Geneve, 1205 Geneve, Switzerland and Center for Astroparticle Physics(CAP), Geneve, Switzerland;

    Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China,100049;

    Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China,100049;

    Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China,100049;

    Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China,100049;

    Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China,100049;

    Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China,100049;

    Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China, 100049;

    ISDC, Data Centre for Astrophysics, 16 Chemin d′Ecogia, 1290 Versoix, Switzerland and Center for AstroparticlePhysics (CAP), Geneve, Switzerland;

    Paul Scherrer Institut, 5232 Villigen PSI, Switzerland;

    DPNC, 24 Quai Ernest-Ansermet, Universite de Geneve, 1205 Geneve, Switzerland and Center for Astroparticle Physics(CAP), Geneve, Switzerland;

    Key Laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China,100049;

    ISDC, Data Centre for Astrophysics, 16 Chemin d′ Ecogia, 1290 Versoix, Switzerland and Center for AstroparticlePhysics (CAP), Geneve, Switzerland;

    Paul Scherrer Institut, 5232 Villigen PSI, Switzerland;

    ESRF, 6 rue Jules Horowitz, 38000 Grenoble, France;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 宇宙射线强度变化;
  • 关键词

    Scintillator detector; X-ray polarization; Synchrotron radiation; Astrophysics; Gamma Ray Bursts (GRB); GEANT4 Monte Carlo simulations; Space qualification tests;

    机译：闪烁探测器X射线偏振；同步辐射天体物理学伽马射线暴（GRB）; GEANT4蒙特卡洛模拟;太空资格测试;

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