The cosmic ray test is very important in the process of the construction of BESIII(Beijing Spectrometer) drift chamber,The test system mainly includes BESIII electronics system,DAQ(data acquisition) system,and trigger system.
宇宙线测试是北京谱仪BESIII漂移室建造过程中的重要环节,测试联合BESIII电子学、数据获取、触发判选等系统共同进行。
The observational cosmology and its recent progress are reviewed, including observational methods, Hubble constant, Hubble time, dark matter, dark energy, cosmic background radiation, large-scale structure, element abundance and active galactic nucleus, neutrino, gamma-ray bursts etc.
系统介绍了观测宇宙学和其最新进展,包括观测手段和哈勃常数和宇宙的年龄、宇宙的暗物质、暗能量、背景辐射、大尺度结构、元素丰度、活动星系核、中微子、γ暴等热点问题,并提出了观测宇宙学存在的问题和挑战。
Cosmic rays test and calibration in BESIII EMC
BESIII电磁量能器宇宙线测试与刻度
cosmic radiation measuring or detecting instrument
宇宙射线测量或探测仪
cosmic-ray neutron monitor
宇宙射线中子监测仪
millikan cosmic ray meter
米利肯宇宙线测量计
Measurement of the Detection Efficiency of TGC Detectors and the Establishment of a Hodoscope System;
TGC探测器的探测效率测试和宇宙线描迹仪系统的建立
Adjustment of Parameters of Primary Cosmic Ray Energy Spectrum with Recent Direct Measurments
利用宇宙线直接测量结果对初级宇宙线能谱参数的调整
cosmic-ray charge composition detector
宇宙射线电荷组成探测器
cosmic-ray transition radiation detector
宇宙射线跃迁辐射探测器
cosmic-ray neutron and muon monitor
宇宙射线中子与μ介子监测仪
SIMULATION CALCULATION FOR DETECTION EFFICIENCY IN THE MEASUREMENT OF COSMIC RAY HADRON SPECTRA
宇宙线强子谱测量中探测效率的模拟计算
THE MONITOR OF THE CME IN MARCH 1991 BY COSMIC RAYS
银河宇宙线对1991年3月日冕物质抛射的监测
MEASUREMENT OF INTENSITY AND MOMENTUM SPECTRUM OF HORIZONTAL COSMIC RAY MUON AT 3220m ABOVE SEA LEVEL
海拔3220米水平宇宙线μ子强度和动量谱测量
Study Cosmic Ray Forbush Decrease Using the Yangbajing Observation Station;
利用羊八井观测站研究宇宙线福布什下降
Search for VHE Grbs Using Yangbajing Cosmic-Ray Experiment;
用羊八井宇宙线观测实验寻找甚高能γ暴
latitude effect of primary cosmic rays
初级宇宙线纬度效应
cosmic-ray high energy physics
宇宙射线高能物理学
charge composition of primary cosmic rays
初级宇宙线电荷成分
cosmic-ray intensity recorder
宇宙射线强度记录仪