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Related papers: Baryogenesis in $f(P)$ Gravity

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We compute as a function of rapidity $y$ the baryon number carried by quarks and antiquarks with $p_T > p_0 \approx$ 2 GeV produced in Pb+Pb collisions at TeV energies. The computation is carried out in lowest order QCD perturbation theory…

Nuclear Theory · Physics 2016-09-08 K. J. Eskola , K. Kajantie

We propose a variant of electroweak-scale baryogenesis characterized by the spontaneous breaking of the charge-parity (CP) symmetry in the early Universe driven by the vacuum expectation value of a CP-odd scalar. This CP breaking period in…

High Energy Physics - Phenomenology · Physics 2023-05-10 S. J. Huber , K. Mimasu , J. M. No

The latest observational data of Planck satellite shows nontrivial value of polarization rotation angle caused by cosmic birefringence in the early universe. Moreover, the asymmetry of baryons versus anti-baryons still remains mysterious.…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-25 Zhiyuan Yu , Zhengsheng Yang , Taotao Qiu

We consider the dynamics of fermions with a spatially varying mass which couple to bosons through a Yukawa interaction term and perform a consistent weak coupling truncation of the relevant kinetic equations. We then use a gradient…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kimmo Kainulainen , Tomislav Prokopec , Michael G. Schmidt , Steffen Weinstock

Modification of gravity due to the curvature dependent term in the gravitational baryogenesis scenario is considered. It is shown that this term leads to the fourth order differential equation of motion for the curvature scalar instead of…

General Relativity and Quantum Cosmology · Physics 2017-04-05 E. V. Arbuzova , A. D. Dolgov

We numerically study the correlation between CP violation in the neutrino oscillations and baryogenesis in the seesaw model. In this study we get the heavy Majorana neutrino masses and lepton number asymmetries from their decays by fitting…

High Energy Physics - Phenomenology · Physics 2009-11-07 T. Endoh , T. Morozumi , A. Purwanto

We study the sources of CP violation for baryogenesis models with quasi-degenerate neutrinos. Our approach is to use the renormalized propagator in a quantum field theory model of neutrino oscillations, paying close attention to unitarity…

High Energy Physics - Phenomenology · Physics 2021-05-19 J. Racker

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. When the inflaton starts to oscillate around the…

High Energy Physics - Phenomenology · Physics 2016-03-16 Fuminobu Takahashi , Masaki Yamada

We consider a space-time dependent relative phase between the right- and left-handed spinors and show that it results in a violation of locality in the presence of gravity once the demand of parity covariance is dropped. This violation of…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. V. Ahluwalia

It has been recently speculated that global symmetries are broken by gravity. We propose a scenario for the generation of the baryon asymmetry in the early Universe in which the domain walls predicted by theories with discrete symmetries…

High Energy Physics - Phenomenology · Physics 2009-10-22 H. Lew , A. Riotto

In the context of GUT baryogenesis models, a well-known theorem asserts that CPT conservation and the unitarity of S-matrix require that the lowest order contribution that leads to the generation of a non-zero net CP-violation via the decay…

High Energy Physics - Phenomenology · Physics 2014-06-24 Atri Bhattacharya , Raj Gandhi , Satyanarayan Mukhopadhyay

We present a novel Affleck-Dine scenario for the generation of the observed baryon asymmetry of the Universe based on the non-trivial interplay between quintessential inflationary models containing a kinetic dominated post-inflationary era…

Cosmology and Nongalactic Astrophysics · Physics 2018-07-30 Dario Bettoni , Javier Rubio

We correct a numerical error which led to an overestimate of the baryon asymmetry from supersymmetric electroweak baryogenesis in our paper JHEP07(2000)018. Updated dependences of the baryon asymmetry on chargino mass parameters and the…

High Energy Physics - Phenomenology · Physics 2007-05-23 James M. Cline , Michael Joyce , Kimmo Kainulainen

We present a comprehensive, self-contained pedagogical computation of the baryon asymmetry of the Universe within electroweak baryogenesis (EWBG), from the derivation of the semiclassical, CP-dependent force to the formulation and solution…

High Energy Physics - Phenomenology · Physics 2025-11-05 Giulio Barni

In electroweak baryogenesis the baryon asymmetry of the universe is created during the electroweak phase transition. The quantum transport equations governing the dynamics of the plasma particles can be derived in the vev-insertion…

High Energy Physics - Phenomenology · Physics 2020-03-18 Marieke Postma , Jorinde van de Vis

Electroweak baryogenesis (EWBG) remains a theoretically attractive and experimentally testable scenario for explaining the cosmic baryon asymmetry. We review recent progress in computations of the baryon asymmetry within this framework and…

High Energy Physics - Phenomenology · Physics 2015-06-05 David E. Morrissey , Michael J. Ramsey-Musolf

We study baryogenesis through lepton number violation in left-right symmetric models. In these models the lepton number and CP violating interactions of the triplet higgs scalars can give rise to lepton number asymmetry through…

High Energy Physics - Phenomenology · Physics 2010-11-01 Patrick J. O'Donnell , Utpal Sarkar

Affleck-Dine (AD) baryogenesis can produce the baryon asymmetry of the Universe through the $CP$-violating dynamics of AD field. The field generally fragments into Q-balls, whose rapid decay induces enhanced gravitational waves. In this…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-11 Yan-Heng Yu , Sai Wang

We present a leptogenesis scenario associated with inflationary models involving non-Abelian gauge fields within the standard model of particle physics (SM). We show that this class of inflationary models generates intrinsic birefringent…

High Energy Physics - Theory · Physics 2014-08-08 Azadeh Maleknejad

This paper is devoted to the investigation of connection between two apparent asymmetries of the nature --- time-asymmetry and Baryon Asymmetry of the Universe (BAU). The brief review of this subjects is given. We consider the particle…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andro Barnaveli , Merab Gogberashvili
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