Sterile neutrino dark matter /

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"Version: 20170301"--Title page verso."A Morgan & Claypool publication as part of IOP Concise Physics"--Title page verso.Includes bibliographical references.Preface -- 1. Introduction : dark matter--what we do and do not know -- 1.1. Observational evidence for dark matter -- 1.2. Explanations for dark matter -- 1.3. Sterile neutrinos as dark matter2. Sterile neutrinos--almost part of the Standard Model -- 2.1. Fermion masses in the Standard Model -- 2.2. Why neutrino masses seem peculiar -- 2.3. Explaining sterile neutrino masses and mixings3. Dark matter---fossils from the early Universe -- 3.1. General thoughts on dark matter production -- 3.2. Thermal freeze-out -- 3.3. Non-thermal distribution functions -- 3.4. Production mechanisms for keV sterile neutrinos4. A very big small effect--production by active-sterile mixing -- 4.1. The freeze-in mechanism -- 4.2. Non-resonant production : Dodelson-Widrow mechanism -- 4.3. Resonant production : Shi-Fuller mechanism5. Resurrection from the downfall--production by particle decays -- 5.1. Two-step production of dark matter -- 5.2. Scalar freezing in -- 5.3. Scalar freezing out -- 5.4. The Dodelson-Widrow modification6. The emergence of order--cosmic structure formation -- 6.1. The Tremaine-Gunn bound -- 6.2. The free-streaming horizon -- 6.3. The evolution equations for cosmic structure formation -- 6.4. The matter power spectrum -- 6.5. Bounds from and implications for structure formation7. Consult the stars for an answer--astrophysical signals -- 7.1. The radiative decay of the sterile neutrino -- 7.2. Pulsar kicks -- 7.3. Bounds from supernovae -- 7.4. Putting all astrophysical constraints together8. The needle in the dark haystack--experimental attempts -- 8.1. Single beta decay -- 8.2. Electron capture decays -- 8.3. Sterile neutrino capture on stable nuclei -- 8.4. Drawing conclusions from active-neutrino experiments and getting a global picture -- 9. What to take home--conclusions and outlook.This book is a new look at one of the hottest topics in contemporary science, Dark Matter. It is the pioneering text dedicated to sterile neutrinos as candidate particles for Dark Matter, challenging some of the standard assumptions which may be true for some Dark Matter candidates but not for all. So, this can be seen either as an introduction to a specialized topic or an out-of-the-box introduction to the field of Dark Matter in general. No matter if you are a theoretical particle physicist, an observational astronomer, or a ground-based experimentalist, no matter if you are a grad student or an active researcher, you can benefit from this text, for a simple reason: a non-standard candidate for Dark Matter can teach you a lot about what we truly know about our standard picture of how the Universe works.Suitable for anybody starting from graduate or senior undergraduate student level in physics or astronomy. While the main target group is graduate students who want to start working on the topic, the text is equally suitable for active researchers who either aim to enter the topic or who are already experts in one of the fields involved but want to get introduced to other aspects of sterile neutrino Dark Matter. A basic knowledge of the standard models of particle physics and of cosmology is needed to understand the text, however, many aspects are briefly reviewed, too.Also available in print.Mode of access: World Wide Web.System requirements: Adobe Acrobat Reader.Alexander Merle was born in Arad, Romania, close to the famous region of Transylvania. After his emmigration to Germany at the tender age of two months, he grew up in the middle of Bavaria before entering the academic world. He is old enough to still hold the by now discontinued degree of a 'Diplom-Physiker' (Dipl.-Phys. Univ.) from Munich University of Technology in 2006. He obtained his PhD from Heidelberg University in 2009. He left Germany to be a postdoc in Stockholm, Sweden, before he progressed by securing a Marie Curie Fellowship with the University of Southampton, United Kingdom. He subsequently returned to Germany where he took on a Senior Postdoc position at the Max Planck Institute for Physics (Werner Heisenberg Institute) in Munich, Germany, where he is supervising a small group of PhD and Masters students. Dr. Merle's main research fields are theoretical elementary particle physics and cosmology, with a particular focus on neutrinos, Dark Matter, and their interconnections. He has written more than 60 papers on various topics, some even reaching out to neighboring fields such as mathematics or condensed matter physics, and some being cross-field collaborations with colleagues from, e.g. experimental physics or astronomy. He is an active contributor to the field of keV sterile neutrino Dark Matter, having discovered the production mechanism (FIMP scalar decay) that is currently in best agreement with data, having written a topcite review on model building aspects of keV sterile neutrinos, and having made several proposals on how to corner these particles with contemporary experiments. His reputation in the field is reflected by him being one of four main editors, section editor, and corresponding author of Adhikari et al 2017 A White paper on keV sterile neutrino Dark Matter J. Cosmol. Astropart. Phys. JCAP01(2017)025, which is the most comprehensive document that exists on the topic.Title from PDF title page (viewed on April 10, 2017).

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: .,

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1 online resource (various pagings) :illustrations (some color).

Language

English

ISBN/ISSN

9781681744810

Classification

523.1/126

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-

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Subject(s)

Particle & high-energy physics.
SCIENCE / Physics / Condensed Matter.
SCIENCE / Physics / Quantum Theory.
Dark matter (Astronomy)
Cosmology & the universe.
SCIENCE / Cosmology.
Neutrinos.

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Alexander Merle.

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