The P-branch emission spectra of （4,1） and （3,1） bands of the A^1П-X^1∑^＋ system of IrN molecule are studied using an analytical formula which is derived from elementary expression of molecular total energy by...The P-branch emission spectra of （4,1） and （3,1） bands of the A^1П-X^1∑^＋ system of IrN molecule are studied using an analytical formula which is derived from elementary expression of molecular total energy by taking multiple spectral differences. It not only reproduces the known experimental transition lines, but also predicts the unknown spectral lines up to J = 80 for each band by using a group of fifteen known experimental transition lines.展开更多
Data taken with ACT2 and ACT3 between 1995 and 1997 are used to search for 0.1 s bursts of TeV gamma ray from evaporating primordial black holes(PBHs).There is no evidence for such bursts in the dataset.Using the resu...Data taken with ACT2 and ACT3 between 1995 and 1997 are used to search for 0.1 s bursts of TeV gamma ray from evaporating primordial black holes(PBHs).There is no evidence for such bursts in the dataset.Using the result,the upper limit of 3×10^(8) pc^(-3)yr^(-1) on the rate-density of evaporating PBHs is set in the vicinity of the solar system at a 99%confidence level.展开更多
基金supported by the National Natural Science Foundation of China (Grant No.11074204)the Science Foundation of the Ministry of Education of China (Grant No.20100181110085)+1 种基金the Research Fund of Key Disciplines of Atomic and Molecular Physicsthe Fund of Key Laboratory of Advanced Scientific Computation,Xihua University,China
文摘The P-branch emission spectra of （4,1） and （3,1） bands of the A^1П-X^1∑^＋ system of IrN molecule are studied using an analytical formula which is derived from elementary expression of molecular total energy by taking multiple spectral differences. It not only reproduces the known experimental transition lines, but also predicts the unknown spectral lines up to J = 80 for each band by using a group of fifteen known experimental transition lines.
基金Supported by the President Foundation of the Chinese Academy of Sciencesthe National Natural Science Foundation of China under Grant No.19135032.
文摘Data taken with ACT2 and ACT3 between 1995 and 1997 are used to search for 0.1 s bursts of TeV gamma ray from evaporating primordial black holes(PBHs).There is no evidence for such bursts in the dataset.Using the result,the upper limit of 3×10^(8) pc^(-3)yr^(-1) on the rate-density of evaporating PBHs is set in the vicinity of the solar system at a 99%confidence level.
