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Advances continue to be made in hard x-ray, gamma-ray, neutron detectors and associated technologies for spectroscopy and imaging of these energetic photons and particles. Many types of position and e...
2017SPIE硬X射线,伽玛射线和中子探测器物理专题会议(Hard X-Ray,Gamma-Ray,and Neutron Detector Physics XIX)。
Breakthrough energy resolution, R(662keV) <4%, has been achieved with a transparent ceramic oxide scintillator, Cerium-doped Gadolinium Yttrium Gallium Aluminum Garnet, or GYGAG(Ce), by optimizing fab...
In this thesis we present new results for the 99.9% confidence level flux upper limits on the pulsed VHE gamma ray signal coming from the Crab pulsar. In order to achieve optimum hadronic background s...
In order to nullify the property of randomness perceived in the dispersion of gamma-ray bursts (GRB's) we introduce two new procedures. 1. Create a segmented group of sequentially linked GRB's and qua...
A possibility of amplification of the 7.6 eV (3.5 eV) -radiation by the stimulated -emission of the ensemble of the 229mTh isomeric nuclei in a host dielectric crystal with a large band gap is proved...
A possibility of amplification of the 7.6 eV (3.5 eV) $\gamma$-radiation by the stimulated $\gamma$-emission of the ensemble of the $^{229m}$Th isomeric nuclei in a host dielectric crystal with a lar...
Short gamma-ray bursts are believed to originate from the merger of two compact objects. If this scenario is correct, these bursts will be accompanied by the emission of strong gravitational waves, de...
The Fermi Gamma-ray Space Telescope (Fermi) was launched on June 11, 2008 and began its first year sky survey on August 11, 2008. The Large Area Telescope (LAT), a wide field-ofview pair-conversion ...
Workshop on Gamma-ray Bursts and other high energy astrophysical phenomena
According to the regulation of growing and decay of artificial radioactive nuclide, a formula used to subtract the effect of characteristic γ-ray of the others to that of measured reaction was deduce...
In this paper, the least square fitting method with the cubic B-spline basis functions is derived to reduce the influence of statistical fluctuations in the gamma ray spectra. The derived procedure is...
期刊信息 篇名 The long-term optical variability properties of gamma-ray blazar 3C 273 语种 英文 撰写或编译 撰写 作者 戴本忠、张丙开、张力 第一作者单位 云南大学物理系 刊物名称 International Journal of Modern Physics D 页面 In press 出版日期 2006年 月 日 文章...
期刊信息 篇名 Gamma-ray bursts: optical afterglows in the deep Newtonian phase 语种 英文 撰写或编译 作者 黄永锋,郑广生 第一作者单位 刊物名称 MNRAS 页面 341(1), 263 -269,200 出版日期 2003年 5月 日 文章标识(ISSN) 相关项目 伽玛射线暴余辉中的特殊现象及能源机制
The Monte Carlo method was employed to obtain the response of a position sensitive gamma ray detector. The basic unit consists of a scintillator bar coupled to two photon detectors. Determination of t...

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