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DE-He213 |
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170802s2017 gw | s |||| 0|eng d |
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|a 9783319639017
|9 978-3-319-63901-7
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|a 10.1007/978-3-319-63901-7
|2 doi
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|a QC793-793.5
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|a QC174.45-174.52
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|a 539.72
|2 23
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|a Biondini, Simone.
|e author.
|4 aut
|4 http://id.loc.gov/vocabulary/relators/aut
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|a Effective Field Theories for Heavy Majorana Neutrinos in a Thermal Bath
|h [electronic resource] /
|c by Simone Biondini.
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|a 1st ed. 2017.
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|a Cham :
|b Springer International Publishing :
|b Imprint: Springer,
|c 2017.
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|a XIII, 215 p. 86 illus., 65 illus. in color.
|b online resource.
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|a text
|b txt
|2 rdacontent
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|a computer
|b c
|2 rdamedia
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|a online resource
|b cr
|2 rdacarrier
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|a text file
|b PDF
|2 rda
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|a Springer Theses, Recognizing Outstanding Ph.D. Research,
|x 2190-5053
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| 505 |
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|a Baryon Asymmetry in the Early Universe -- Baryogenesis via Leptogenesis -- Effective Field Theories -- Thermal Field Theory in a Nutshell -- EFT Approach for Right-handed Neutrinos in a Thermal Bath -- CP Asymmetries at Finite Temperature: the Nearly Degenerate Case -- CP Asymmetries at Finite Temperature: the Hierarchical Case -- Flavoured CP Asymmetries.
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|a This thesis discusses the construction of an effective field theory (EFT) for non-relativistic Majorana fermions, shows how to use it to calculate observables in a thermal medium, and derives the effects of these thermal particles on the CP asymmetry. The methods described in this thesis are the only ones to date that allow a systematic and effective description of the non-relativistic dynamics of a heavy Majorana fermion at finite temperature. The CP asymmetry is studied for hierarchical and nearly degenerate heavy-neutrino masses and the analysis includes the treatment of lepton-flavor effects. Heavy Majorana neutrinos are involved in many scenarios of physics beyond the standard model and, in the leptogenesis framework, they are at the root of the baryon asymmetry in the Universe. Besides simplifying existing results, the EFT approach provides useful tools for addressing even more involved observables. Indeed, taken together, the approach and the material pres ented here represent an important step toward a systematic improvement of our knowledge of the CP asymmetry in heavy-neutrino decays at finite temperature.
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|a Elementary particles (Physics).
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| 650 |
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|a Quantum field theory.
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| 650 |
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|a Cosmology.
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| 650 |
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|a String theory.
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|a Elementary Particles, Quantum Field Theory.
|0 https://scigraph.springernature.com/ontologies/product-market-codes/P23029
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|a Cosmology.
|0 https://scigraph.springernature.com/ontologies/product-market-codes/P22049
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| 650 |
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|a Quantum Field Theories, String Theory.
|0 https://scigraph.springernature.com/ontologies/product-market-codes/P19048
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|a SpringerLink (Online service)
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|t Springer Nature eBook
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| 776 |
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|i Printed edition:
|z 9783319639000
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| 776 |
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|i Printed edition:
|z 9783319639024
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| 776 |
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|i Printed edition:
|z 9783319876665
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| 830 |
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|a Springer Theses, Recognizing Outstanding Ph.D. Research,
|x 2190-5053
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| 856 |
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|u https://doi.org/10.1007/978-3-319-63901-7
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|a ZDB-2-PHA
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|a ZDB-2-SXP
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|a Physics and Astronomy (SpringerNature-11651)
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|a Physics and Astronomy (R0) (SpringerNature-43715)
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