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Cosmological Probes of Light Relics: Springer Theses

Autor Benjamin Wallisch
en Limba Engleză Paperback – 10 ian 2021
The wealth of recent cosmic microwave background and large-scale structure data has transformed the field of cosmology. These observations have not only become precise enough to answer questions about the universe on the largest scales, but also to address puzzles in the microscopic description of Nature. This thesis investigates new ways of probing the early universe, the properties of neutrinos and the possible existence of other light particles. In particular, based on detailed theoretical insights and novel analyses, new evidence for the cosmic neutrino background is found in the distribution of galaxies and in cosmic microwave background data. This tests the Standard Model of particle physics and the universe back to a time when it was about one second old. Furthermore, it is demonstrated that future observations will be capable of probing physics beyond the Standard Model since they can achieve a particular target which would either allow the detection of any light particles thathave ever been in thermal equilibrium or imply strong bounds on their properties.



                             
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Specificații

ISBN-13: 9783030311001
ISBN-10: 3030311007
Pagini: 220
Ilustrații: XIX, 220 p. 71 illus., 51 illus. in color.
Dimensiuni: 155 x 235 mm
Greutate: 0.35 kg
Ediția:1st ed. 2019
Editura: Springer International Publishing
Colecția Springer
Seria Springer Theses

Locul publicării:Cham, Switzerland

Cuprins

Introduction.- Review of Modern Cosmology.- Light Species in Cosmology and Particle Physics.- New Target for Cosmic Axion Searches.- Searching for Light Relics with the CMB.- Searching for Light Relics with LSS.- Measurement of Neutrinos in the BAO Spectrum.- Conclusions and Outlook.

Notă biografică

Benjamin Wallisch is currently a postdoctoral member at the Institute for Advanced Study and a postdoctoral scholar at the University of California, San Diego. He obtained his doctorate in theoretical physics at the University of Cambridge after completing a Bachelor of Science at the Ruprecht-Karls-University Heidelberg and obtaining Master's degrees at these institutions.

Textul de pe ultima copertă

The wealth of recent cosmic microwave background and large-scale structure data has transformed the field of cosmology. These observations have not only become precise enough to answer questions about the universe on the largest scales, but also to address puzzles in the microscopic description of Nature. This thesis investigates new ways of probing the early universe, the properties of neutrinos and the possible existence of other light particles. In particular, based on detailed theoretical insights and novel analyses, new evidence for the cosmic neutrino background is found in the distribution of galaxies and in cosmic microwave background data. This tests the Standard Model of particle physics and the universe back to a time when it was about one second old. Furthermore, it is demonstrated that future observations will be capable of probing physics beyond the Standard Model since they can achieve a particular target which would either allow the detection of any light particles thathave ever been in thermal equilibrium or imply strong bounds on their properties.

Caracteristici

Nominated as an outstanding Ph.D. thesis by the University of Cambridge, UK Connects theoretical cosmology, observational cosmology and particle physics through analytic insights, numerical computations and statistical data analyses Includes a comprehensive review of the relevant background and detailed discussion of the interplay between these fields of study Presents a significant advance in linking physics beyond the Standard Model to cosmological observables and demonstrates the potential of cosmology to constrain particle physics