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Chinese Academy of Sciences Institutional Repositories Grid
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CAS IR Grid
机构
高能物理研究所 [8]
合肥物质科学研究院 [3]
近代物理研究所 [3]
紫金山天文台 [2]
国家天文台 [1]
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OAI收割 [16]
iSwitch采集 [1]
内容类型
期刊论文 [17]
发表日期
2021 [2]
2020 [2]
2019 [3]
2018 [1]
2016 [1]
2015 [1]
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学科主题
Astronomy ... [2]
Astronomy ... [1]
Instrument... [1]
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Locating a gamma-ray source using cuboid scintillators and the KNN algorithm
期刊论文
OAI收割
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2021, 卷号: 993
作者:
Du, Te
;
Zhao, Zijia
;
Zhu, Qingjun
;
Tian, Lichao
  |  
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2021/04/26
gamma-ray
Source location
Scintillator
Detector array
KNN algorithm
Experimental Study on Fusion Neutron Activation of Metal Materials in EAST
期刊论文
OAI收割
IEEE TRANSACTIONS ON PLASMA SCIENCE, 2021, 卷号: 49
作者:
Zhang, Ruixue
;
Hong, Bing
;
Hu, Liqun
;
Li, Kai
;
Zhong, Guoqiang
  |  
收藏
  |  
浏览/下载:40/0
  |  
提交时间:2021/06/15
Neutrons
Gamma-rays
Radiation effects
Plasmas
Manganese
Detectors
Heating systems
Experimental Advanced Superconducting Tokamak (EAST)
full energy peak efficiency(FEPE)
gamma ray
gamma ray detector
gamma ray dose rate
material activation
neutron activation experiment
plasma discharge
specific activity
Study of Gamma Rays' Dose Rates in the EAST Hall
期刊论文
OAI收割
IEEE TRANSACTIONS ON PLASMA SCIENCE, 2020, 卷号: 48
作者:
Liu, Guangzhu
;
Hu, Liqun
;
Zhong, Guoqiang
;
Liu, Shixing
;
Yi, Maoxiang
  |  
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2020/11/26
Gamma-rays
Monitoring
Discharges (electric)
Detectors
Gamma-ray detectors
Tokamak devices
Experimental Advanced Superconducting Tokamak (EAST)
exponential function
gamma ray (gamma)
gamma ray detector
gamma ray dose rates
monitoring system
plasma discharge
pulse radiation field
Constraining the X-Ray-Infrared Spectral Index of Second-timescale Flares from SGR 1935+2154 with Palomar Gattini-IR
期刊论文
OAI收割
The Astrophysical Journal, 2020, 卷号: 901, 页码: L7
作者:
HXMT
  |  
收藏
  |  
浏览/下载:24/0
  |  
提交时间:2022/02/08
Radio transient sources
Magnetars
Soft gamma-ray repeaters
2008
992
1471
Astrophysics - High Energy Astrophysical Phenomena
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract: The Galactic magnetar SGR 1935+2154 has been reported to produce the first example of a bright millisecond-duration radio burst (FRB 200428) similar to the cosmological population of fast radio bursts (FRBs). The detection of a coincident bright X-ray burst represents the first observed multiwavelength counterpart of an FRB. However, the search for similar emission at optical wavelengths has been hampered by the high inferred extinction on the line of sight. Here, we present results from the first search for second-timescale emission from the source at near-infrared (NIR) wavelengths using the Palomar Gattini-IR observing system in the J band, enabled by a novel detector readout mode that allows short exposure times of ?0.84 s with 99.9% observing efficiency. With a total observing time of ?12 hr (?47,728 images) during its 2020 outburst, we place median 3Ҡlimits on the second-timescale NIR fluence of ?18 Jy ms (13.1 AB mag). The corresponding extinction-corrected limit is ?125 Jy ms for an estimated extinction of A
J
= 2.0 mag. Our observations were sensitive enough to easily detect an NIR counterpart of FRB 200428 if the NIR emission falls on the same power law as observed across its radio to X-ray spectrum. We report nondetection limits from epochs of four simultaneous X-ray bursts detected by the Insight-HXMT and NuSTAR telescopes during our observations. These limits provide the most stringent constraints to date on fluence of flares at 10
14
Hz, and constrain the fluence ratio of the NIR emission to coincident X-ray bursts to R
NIR
? 0.025 (fluence index ?0.35).
GRID: a student project to monitor the transient gamma-ray sky in the multi-messenger astronomy era
期刊论文
OAI收割
EXPERIMENTAL ASTRONOMY, 2019, 卷号: 48, 期号: 1, 页码: 77-95
作者:
Wen, Jiaxing
;
Long, Xiangyun
;
Zheng, Xutao
;
An, Yu
;
Cai, Zhengyang
  |  
收藏
  |  
浏览/下载:325/0
  |  
提交时间:2019/10/21
Gamma-ray bursts
Gravitational waves
Scintillation detector
SiPM
CubeSat
GRID: a student project to monitor the transient gamma-ray sky in the multi-messenger astronomy era
期刊论文
OAI收割
EXPERIMENTAL ASTRONOMY, 2019, 卷号: 48, 期号: 1, 页码: 77-95
作者:
Wen, Jiaxing
;
Long, Xiangyun
;
Zheng, Xutao
;
An, Yu
;
Cai, Zhengyang
  |  
收藏
  |  
浏览/下载:101/0
  |  
提交时间:2020/03/10
Gamma-ray bursts
Gravitational waves
Scintillation detector
SiPM
CubeSat
COMPASS-A COMPAct decay spectroscopy set-up
期刊论文
OAI收割
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2018, 卷号: 907, 页码: 81-89
作者:
Ackermann, D.
;
Mistry, A. K.
;
Hessberger, F. P.
;
Andel, B.
;
Antalic, S.
  |  
收藏
  |  
浏览/下载:66/0
  |  
提交时间:2018/10/08
alpha
gamma
CE and X-ray spectroscopy
Si strip detector
Digital electronics
Large volume Ge detectors
gamma-ray detector based on n-type 4H-SiC Schottky barrier diode
期刊论文
OAI收割
ACTA PHYSICA SINICA, 2016, 卷号: 65, 期号: 20
作者:
Du YY(杜园园)
;
Zhang CL(张春雷)
;
Cao XL(曹学蕾)
;
Du, YY
;
Zhang, CL
  |  
收藏
  |  
浏览/下载:137/0
  |  
提交时间:2017/07/26
4H-SiC
wide-band semiconductor
Schottky diode
gamma-ray detector
Study on response function model for γ-ray scintillation detector
期刊论文
OAI收割
ATOMIC ENERGY SCIENCE AND TECHNOLOGY, 2015, 卷号: 49, 期号: 8, 页码: 1354-1358
作者:
Li Z(李哲)
;
Zhang YW(张译文)
;
Sun SF(孙世峰)
;
Wang BY(王宝义)
;
Wei L(魏龙)
收藏
  |  
浏览/下载:60/0
  |  
提交时间:2016/04/18
Detector response
Gamma ray spectra
Gamma-ray energy
Interaction mechanisms
Non-linear parameters
Radiation source
Response function models
Weighted least squares