Results 71 to 80 of about 3,264 (214)

Theories of Baryogenesis [PDF]

open access: yes, 1998
These lectures provide a pedagogical review of the present status of theories explaining the observed baryon asymmetry of the Universe. Particular emphasis is given on GUT baryogenesis and electroweak baryogenesis. The key issues, the unresolved problems
Riotto, Antonio
core  

Baryogenesis

open access: yesCadernos de Astronomia, 2023
The standard model of particle physics describes matter and antimatter as coming from the same fields and this fact has been confirmed experimentally. It is then curious that the observable universe is made of matter and not antimatter. We will first discuss the evidence that we live in a matter-dominated (or matter-antimatter asymmetric) Universe and ...
openaire   +1 more source

Gravitational Baryogenesis in Energy-Momentum Squared Gravity

open access: yesUniverse
We demonstrate that the matter sector itself can drive baryogenesis in energy-momentum squared gravity, f(R,T2) with T2≡TμνTμν. High-density matter corrections provide new time-dependent sources for the baryon asymmetry through derivative couplings to T2
David S. Pereira   +2 more
doaj   +1 more source

Phase transitions and baryogenesis from decays

open access: yesJournal of High Energy Physics, 2017
We study scenarios in which the baryon asymmetry is generated from the decay of a particle whose mass originates from the spontaneous breakdown of a symmetry.
Brian Shuve, Carlos Tamarit
doaj   +1 more source

Beyond MSSM baryogenesis [PDF]

open access: yesPhysical Review D, 2008
20 pages, 2 figures; v2: added ...
Blum, Kfir, Nir, Yosef
openaire   +2 more sources

Baryogenesis through leptogenesis

open access: yes, 2000
Baryogenesis by heavy-neutrino decay and sphaleron reprocessing of both baryon and lepton number is reconsidered, paying special attention to the flavour structure of the general evolution equations and developing an approximate but sufficiently accurate
Tetradis, N   +3 more
core   +3 more sources

Nonequilibrium effects and baryogenesis [PDF]

open access: yesPhysical Review D, 2005
19 pages with 5 ...
Charng, Yeo-Yie   +3 more
openaire   +2 more sources

Baryogenesis and low energy CP violation [PDF]

open access: yes, 1999
CP violation is a crucial component in the creation of the matter - anti matter asymmetry of the universe. An important open question is whether the CP violating phenomena observeable in terrestrial experiments have any relation with those responsible ...
Worah, Mihir P.
core  

Electroweak baryogenesis driven by extra top Yukawa couplings

open access: yesPhysics Letters B, 2018
We study electroweak baryogenesis driven by the top quark in a general two Higgs doublet model with flavor-changing Yukawa couplings, keeping the Higgs potential CP invariant.
Kaori Fuyuto, Wei-Shu Hou, Eibun Senaha
doaj   +1 more source

Spontaneous baryogenesis from asymmetric inflaton

open access: yesPhysics Letters B, 2016
We propose a variant scenario of spontaneous baryogenesis from asymmetric inflaton based on current–current interactions between the inflaton and matter fields with a non-zero B−L charge.
Fuminobu Takahashi, Masaki Yamada
doaj   +1 more source

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