Effective Field Theories for Heavy Majorana Neutrinos in a Thermal Bath PDF Download
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Author: Simone Biondini
Publisher: Springer
ISBN: 3319639013
Category : Science
Languages : en
Pages : 221
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Book Description
In this thesis we discuss the construction of an effective field theory (EFT) for non-relativistic Majorana fermions, show how to use it to calculate observables in a thermal medium, and derive the effects of these thermal particles on the CP asymmetry. The methods described in this thesis 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 exist in g results, the EFT approach provides useful tools for addressing even more involved observables. Indeed, taken together, the approach and the material presented here represent an important step toward a systematic improvement of our knowledge of the CP asymmetry in heavy-neutrino decays at finite temperature.
Author: Simone Biondini
Publisher: Springer
ISBN: 3319639013
Category : Science
Languages : en
Pages : 221
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Book Description
In this thesis we discuss the construction of an effective field theory (EFT) for non-relativistic Majorana fermions, show how to use it to calculate observables in a thermal medium, and derive the effects of these thermal particles on the CP asymmetry. The methods described in this thesis 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 exist in g results, the EFT approach provides useful tools for addressing even more involved observables. Indeed, taken together, the approach and the material presented here represent an important step toward a systematic improvement of our knowledge of the CP asymmetry in heavy-neutrino decays at finite temperature.
Author: Hans Volker Klapdor-Kleingrothaus
Publisher: World Scientific
ISBN: 9814340863
Category : Science
Languages : en
Pages : 774
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Book Description
This book contains the proceedings of the Fifth International Conference on Physics Beyond the Standard Models of Particle Physics, Cosmology and Astrophysics. It presents a brilliant overview of the status and future potential and trends in experimental
Author: Mikko Laine
Publisher: Springer
ISBN: 3319319337
Category : Science
Languages : en
Pages : 288
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Book Description
This book presents thermal field theory techniques, which can be applied in both cosmology and the theoretical description of the QCD plasma generated in heavy-ion collision experiments. It focuses on gauge interactions (whether weak or strong), which are essential in both contexts. As well as the many differences in the physics questions posed and in the microscopic forces playing a central role, the authors also explain the similarities and the techniques, such as the resummations, that are needed for developing a formally consistent perturbative expansion. The formalism is developed step by step, starting from quantum mechanics; introducing scalar, fermionic and gauge fields; describing the issues of infrared divergences; resummations and effective field theories; and incorporating systems with finite chemical potentials. With this machinery in place, the important class of real-time (dynamic) observables is treated in some detail. This is followed by an overview of a number of applications, ranging from the study of phase transitions and particle production rate computations, to the concept of transport and damping coefficients that play a ubiquitous role in current developments. The book serves as a self-contained textbook on relativistic thermal field theory for undergraduate and graduate students of theoretical high-energy physics.
Author:
Publisher:
ISBN:
Category : Physics
Languages : en
Pages : 1212
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Book Description
Author: Julien Lesgourgues
Publisher: Cambridge University Press
ISBN: 110701395X
Category : Science
Languages : en
Pages : 391
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Book Description
A self-contained guide to the role played by neutrinos in the Universe and how their properties influence cosmological and astrophysical observations.
Author: Georg G. Raffelt
Publisher: University of Chicago Press
ISBN: 9780226702728
Category : Science
Languages : en
Pages : 692
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Book Description
Much of what we know about neutrinos is revealed by astronomical observations, and the same applies to the axion, a conjectured new particle that is a favored candidate for the main component of the dark matter of the universe.
Author:
Publisher:
ISBN:
Category : Nuclear physics
Languages : en
Pages : 716
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Book Description
Author: Joseph I. Kapusta
Publisher: Cambridge University Press
ISBN: 1009401955
Category : Science
Languages : en
Pages : 443
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Book Description
Author: Rabindra Nath Mohapatra
Publisher: World Scientific
ISBN: 9789812380715
Category : Science
Languages : en
Pages : 478
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Book Description
An introduction to various issues related to the theory and phenomenology of massive neutrinos for the nonexpert, also providing a discussion of results in the field for the active researcher. All the necessary techniques and logics are included and topics such as supersymmetry are covered.
Author: European Organization for Nuclear Research
Publisher:
ISBN:
Category : CP violation (Nuclear physics)
Languages : en
Pages : 546
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Book Description
