中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 高能物理研究所
  3. 中国科学院高能物理研究所
  4. 粒子天体物理中心
An algorithm to resolve gamma-rays from charged cosmic rays with DAMPE

文献类型：期刊论文

作者Xu, ZL; Duan, KK; Shen, ZQ; Lei, SJ; Vagelli, V; Dong, TK; Gargano, F; Garrappa, S; Guo, DY; Jiang, W
刊名RESEARCH IN ASTRONOMY AND ASTROPHYSICS
出版日期2018
卷号18期号:3页码:27
关键词gamma rays: general instrumentation: detectors methods: data analysis
ISSN号1674-4527
DOI10.1088/1674-4527/18/3/27
文献子类Article
英文摘要The DArk Matter Particle Explorer (DAMPE), also known as Wukong in China, which was launched on 2015 December 17, is a new high energy cosmic ray and gamma-ray satellite-borne observatory. One of the main scientific goals of DAMPE is to observe GeV-TeV high energy gamma-ray with accurate energy, angular and time resolution, to indirectly search for dark matter particles and for the study of high energy astrophysics. Due to the comparatively higher fluxes of charged cosmic rays with respect to gamma-ray, it is challenging to identify gamma-ray with sufficiently high efficiency, minimizing the amount of charged cosmic ray contamination. In this work we present a method to identify gamma-ray in DAMPE data based on Monte Carlo simulations, using the powerful electromagnetic/hadronic shower discrimination provided by the calorimeter and the veto detection of charged particles provided by the plastic scintillation detector. Monte Carlo simulations show that after this selection the number of electrons and protons that contaminate the selected gamma-ray events at similar to 10GeV amounts to less than 1% of the selected sample. Finally, we use flight data to verify the effectiveness of the method by highlighting known gamma-ray sources in the sky and by reconstructing preliminary light curves of the Geminga pulsar.
WOS关键词ELECTRONS ; GEMINGA ; PULSAR
WOS研究方向Astronomy & Astrophysics
语种英语
CSCD记录号CSCD:6213538
WOS记录号WOS:000428268500003
源URL[http://ir.ihep.ac.cn/handle/311005/285772]  
专题高能物理研究所_粒子天体物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714		 Xu, ZL,Duan, KK,Shen, ZQ,et al. An algorithm to resolve gamma-rays from charged cosmic rays with DAMPE[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2018,18(3):27.
APA Xu, ZL.,Duan, KK.,Shen, ZQ.,Lei, SJ.,Vagelli, V.,...&郭东亚.(2018).An algorithm to resolve gamma-rays from charged cosmic rays with DAMPE.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,18(3),27.
MLA Xu, ZL,et al."An algorithm to resolve gamma-rays from charged cosmic rays with DAMPE".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 18.3(2018):27.

入库方式： OAI收割

来源：高能物理研究所

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。