Issues

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1965

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May

  

Reviews of topical problems


Some problems of gamma and X-ray astronomy

 a,
a Lebedev Physical Institute, Russian Academy of Sciences, Leninsky prosp. 53, Moscow, 119991, Russian Federation

Introduction 696
1. Radiation Mechanisms 697
1.1. Processes Leading to the Production of Gamma and X Rays 697
1.2. General Expressions for the Radiation Intensity 698
2. Cosmic Rays, Matter, and Thermal Radiation in the Universe 698
2.1. Intensity of Cosmic Rays 698
2.2. Electronic Component of Cosmic Rays 699
2.3. Matter and Thermal Radiation in the Galaxy and Metagalaxy 700
3. Cosmic Gamma Emission (Calculation of Intensity) 701
3.1. Production of π[sup]0[/sup] Mesons and "Pionic" Gamma Rays 701
3.2. Bremsstrahlung 702
3.3. Compton Gamma Rays 703
3.4. Positron Annihilation 704
3.5. Nuclear Gamma Rays 706
3.6. Absorption of Gamma and X Rays 706
4. Cosmic Gamma Radiation (Discussion) 707
4.1. Intensity of Over-all Cosmic Gamma Radiation 707
4.2. Gamma Radiation from Discrete Sources 710
4.3. Experimental Data, Their Evaluation, and a Few Conclusions 711
5. X Radiation Connected with Cosmic Rays 713
5.1. Cyclotron X Radiation 713
5.2. X Radiation Due to Other Processes 716
5.3. Comparison of Calculations with Observations 717
Conclusion 718

Fulltext pdf (2.5 MB)
Fulltext is also available at DOI: 10.1070/PU1965v007n05ABEH003658
PACS: 98.70.Qy, 98.70.Rz, 98.70.Sa (all)
DOI: 10.1070/PU1965v007n05ABEH003658
URL: https://ufn.ru/en/articles/1965/5/d/
Citation: Ginzburg V L, Syrovatskii S I "Some problems of gamma and X-ray astronomy" Sov. Phys. Usp. 7 696–720 (1965)
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Оригинал: Гинзбург В Л, Сыроватский С И «Некоторые вопросы гамма- и рентгеновской астрономии» УФН 84 201–242 (1964); DOI: 10.3367/UFNr.0084.196410a.0201

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