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Cover: 9780521438483 | Modern Cosmology and the Dark Matter Problem | D. W. Sciama | Buch
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Modern Cosmology and the Dark Matter Problem
Taschenbuch von D. W. Sciama
Sprache: Englisch

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Beschreibung
This book shows how modern cosmology and astronomy have led to the need to introduce dark matter in the universe to account for mass. Some of this dark matter is in the familiar form of protons, electrons and neutrons, but most of it must have a more exotic form. The favored, but not the only, possibility is neutrinos of non-zero rest mass, pair-created in the hot big bang and surviving to the present day. After a review of modern cosmology, this book gives a detailed account of the author's recent theory in which these neutrinos decay into photons that are the main ionizing agents in hydrogen and nitrogen in the interstellar and intergalactic medium. This theory, though speculative, explains a number of rather different puzzling phenomena in astronomy and cosmology in a unified way and predicts values of various important quantities such as the mass of the decaying neutrino and the Hubble constant.
This book shows how modern cosmology and astronomy have led to the need to introduce dark matter in the universe to account for mass. Some of this dark matter is in the familiar form of protons, electrons and neutrons, but most of it must have a more exotic form. The favored, but not the only, possibility is neutrinos of non-zero rest mass, pair-created in the hot big bang and surviving to the present day. After a review of modern cosmology, this book gives a detailed account of the author's recent theory in which these neutrinos decay into photons that are the main ionizing agents in hydrogen and nitrogen in the interstellar and intergalactic medium. This theory, though speculative, explains a number of rather different puzzling phenomena in astronomy and cosmology in a unified way and predicts values of various important quantities such as the mass of the decaying neutrino and the Hubble constant.
Inhaltsverzeichnis
Preface; Part I. Dark Matter in Astronomy and Cosmology: 1. Dark matter in galaxies; 2. Dark matter in clusters of galaxies; 3. Dark matter in intergalactic space; 4. The identity of the dark matter; Part II. Ionisation Problems in Astronomy and Cosmology: 5. Diffuse ionisation in the Milky Way; 6. Diffuse ionisation in spiral galaxies; 7. The intergalactic flux of hydrogen-ionising photons; Part III. Neutrino Decay and Ionisation in the Universe: 8. The radiative decay of massive neutrinos; 9. Neutrino decay and the ionisation of the Milky Way; 10. Neutrino decay and the ionisation of spiral galaxies; 11. The intergalactic flux of ionising decay photons; 12. The reionisation of the Universe; Part IV. Observational Searches for the Neutrino Decay Line: 13. Observational searches for the neutrino decay line; References; Subject index.
Details
Erscheinungsjahr: 2003
Fachbereich: Astronomie
Genre: Physik
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
ISBN-13: 9780521438483
ISBN-10: 0521438489
Sprache: Englisch
Ausstattung / Beilage: Paperback
Einband: Kartoniert / Broschiert
Autor: Sciama, D. W.
Redaktion: Yeomans, Julia
Hersteller: Cambridge University Press
Maße: 229 x 152 x 15 mm
Von/Mit: D. W. Sciama
Erscheinungsdatum: 04.02.2003
Gewicht: 0,402 kg
Artikel-ID: 102424747
Inhaltsverzeichnis
Preface; Part I. Dark Matter in Astronomy and Cosmology: 1. Dark matter in galaxies; 2. Dark matter in clusters of galaxies; 3. Dark matter in intergalactic space; 4. The identity of the dark matter; Part II. Ionisation Problems in Astronomy and Cosmology: 5. Diffuse ionisation in the Milky Way; 6. Diffuse ionisation in spiral galaxies; 7. The intergalactic flux of hydrogen-ionising photons; Part III. Neutrino Decay and Ionisation in the Universe: 8. The radiative decay of massive neutrinos; 9. Neutrino decay and the ionisation of the Milky Way; 10. Neutrino decay and the ionisation of spiral galaxies; 11. The intergalactic flux of ionising decay photons; 12. The reionisation of the Universe; Part IV. Observational Searches for the Neutrino Decay Line: 13. Observational searches for the neutrino decay line; References; Subject index.
Details
Erscheinungsjahr: 2003
Fachbereich: Astronomie
Genre: Physik
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
ISBN-13: 9780521438483
ISBN-10: 0521438489
Sprache: Englisch
Ausstattung / Beilage: Paperback
Einband: Kartoniert / Broschiert
Autor: Sciama, D. W.
Redaktion: Yeomans, Julia
Hersteller: Cambridge University Press
Maße: 229 x 152 x 15 mm
Von/Mit: D. W. Sciama
Erscheinungsdatum: 04.02.2003
Gewicht: 0,402 kg
Artikel-ID: 102424747
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