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UPPER LIMIT TO THE DIFFUSE COSMIC ULTRAHIGH-ENERGY GAMMA SPECTRUM
HE, YD; Zhu QQ(朱清棋); ZHU, QQ
1991
发表期刊PHYSICAL REVIEW D
卷号44期号:9页码:R2635-R2639
通讯作者UNIV CALIF BERKELEY,SPACE SCI LAB,BERKELEY,CA 94720 ; UNIV CALIF BERKELEY,DIV NUCL SCI,BERKELEY,CA 94720 ; ACAD SINICA,INST HIGH ENERGY PHYS,BEIJING 100039,PEOPLES R CHINA ; IST NAZL FIS NUCL,LAB NAZL GRAN SASSO,I-67010 ASSERGI,ITALY
文章类型Note
摘要An upper limit to the diffuse cosmic ultrahigh-energy (UHE) gamma-spectrum from 5 TeV up to 1 PeV is inferred from data on the spectrum of the electromagnetic component of secondary cosmic rays recorded by emulsion-chamber experiments at various atmospheric depths. Our Monte Carlo simulation of the atmospheric propagation and interaction of the photons and protons with primary energies of (5 x 10(12))-10(15) eV shows that the intensity of uncorrelated gamma events with visible energies E-gamma = 5-100 TeV observed in emulsion-chamber experiments is sensitive to the diffuse cosmic UHE gamma-rays at the level of approximately 10(-3) compared to primary cosmic rays in the same energy region. We also discuss the relevance of the UHE gamma-spectrum to topics such as diffuse photons as by-products of the energy loss of extragalactic cosmic rays interacting with the cosmic 2.7 K background radiation, direct photons as a result of possible new production mechanisms, and photons as products of radiative decay of unstable cosmological relic neutrinos of mass approximately 5 TeV-1 PeV.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:A1991GT64200003
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240320
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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HE, YD,Zhu QQ,ZHU, QQ. UPPER LIMIT TO THE DIFFUSE COSMIC ULTRAHIGH-ENERGY GAMMA SPECTRUM[J]. PHYSICAL REVIEW D,1991,44(9):R2635-R2639.
APA HE, YD,朱清棋,&ZHU, QQ.(1991).UPPER LIMIT TO THE DIFFUSE COSMIC ULTRAHIGH-ENERGY GAMMA SPECTRUM.PHYSICAL REVIEW D,44(9),R2635-R2639.
MLA HE, YD,et al."UPPER LIMIT TO THE DIFFUSE COSMIC ULTRAHIGH-ENERGY GAMMA SPECTRUM".PHYSICAL REVIEW D 44.9(1991):R2635-R2639.
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