Download PDF by Kai Schmitz: The B−L Phase Transition: Implications for Cosmology and

By Kai Schmitz

a number of of the very foundations of the cosmological regular version — the baryon asymmetry of the universe, darkish topic, and the starting place of the recent tremendous bang itself — nonetheless demand a proof from the point of view of primary physics. This work advocates one fascinating danger for a constant cosmology that fills within the theoretical gaps whereas being totally in response to the observational information. At very excessive energies, the universe could have been in a fake vacuum country that preserved B-L, the variation among the baryon quantity B and the lepton quantity L as an area symmetry. during this country, the universe skilled a degree of hybrid inflation that in simple terms ended while the fake vacuum turned volatile and decayed, during a waterfall transition, right into a section with spontaneously damaged B-L symmetry. This B-L section Transition used to be followed via tachyonic preheating that transferred nearly the whole power of the fake vacuum right into a fuel of B-L Higgs bosons, which in flip decayed into heavy Majorana neutrinos. finally, those neutrinos decayed into massless radiation, thereby generating the entropy of the new gigantic bang, producing the baryon asymmetry of the universe through the leptogenesis mechanism and atmosphere the degree for the construction of darkish topic. subsequent to various conceptual novelties and phenomenological predictions, the most fulfillment of the thesis is accordingly the interesting idea that the best position within the first act of our universe may have truly been performed through neutrinos.

Show description

Read Online or Download The B−L Phase Transition: Implications for Cosmology and Neutrinos (Springer Theses) PDF

Best cosmology books

Gianfranco Bertone's Behind the Scenes of the Universe: From the Higgs to Dark PDF

A unprecedented discovery has lately shaken the principles of Cosmology and Particle Physics, sparking a systematic revolution that has profoundly changed our knowing of our Universe and that's nonetheless faraway from over. Pioneering astronomers within the Nineteen Twenties and Thirties had already spotted suspicious anomalies within the movement of celestial our bodies in far-off galaxies and clusters of galaxies, however it wasn't until eventually the past due twentieth century that the clinical neighborhood wasconfronted with an stunning end: the Universe is full of an unknown, elusive substance that's essentially varied from whatever we have now ever obvious with our telescopes or measured in our laboratories.

Read e-book online The Story of Collapsing Stars: Black Holes, Naked PDF

This publication trips into essentially the most attention-grabbing highbrow adventures of contemporary many years - realizing and exploring the ultimate destiny of big collapsing stars within the universe. the problem is of significant curiosity in primary physics and cosmology this present day, from either the viewpoint of gravitation idea and of recent astrophysical observations.

Download PDF by Manuel Seara Valero: Hasta el infinito y más allá: Las últimas noticias sobre el

El cielo siempre ha ejercido una poderosa atracción sobre el ser humano porque como dijo Carl Sagan, «somos polvo de estrellas». Ahora, el gran divulgador científico español Manuel Seara Valero nos lleva de l. a. mano por las últimas noticias sobre el cosmos. Hemos averiguado los angeles edad del Universo, descubierto sistemas planetarios más allá del Sistema sun, buscamos mundos similares al nuestro, vida extraterrestre, y tratamos de averiguar qué pasó en los primeros instantes del Cosmos, tras el tremendous Bang, empleando nuevos métodos como las ondas gravitacionales.

Download e-book for kindle: Theoretical and Observational Consistency of Massive Gravity by Lavinia Heisenberg

This work is an in depth research of either the theoretical and phenomenological effects of an enormous graviton, within the ghost-free idea of huge gravity, the de Rham-Gabadadze-Tolley (dRGT) conception. Its target is to test the actual viability of the theory. It starts by way of putting constraints at the parameters of the speculation within the decoupling restrict in accordance with in basic terms theoretical grounds, like classical balance within the cosmological evolution of self-accelerating and degravitating recommendations.

Additional info for The B−L Phase Transition: Implications for Cosmology and Neutrinos (Springer Theses)

Sample text

Download PDF sample

The B−L Phase Transition: Implications for Cosmology and Neutrinos (Springer Theses) by Kai Schmitz


by Ronald
4.1

Rated 4.40 of 5 – based on 21 votes