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Related papers: Neutrino Data, CP violation and Cosmological Impli…

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The observation of neutrino masses leads to the possibility of leptonic mixing and CP violation. One of the simplest extensions of the Standard Model giving rise to neutrino masses consists of the introduction of one righthanded neutrino…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. N. Rebelo

Several topics on CP violation in the lepton sector are reviewed. A few theoretical aspects concerning neutrino masses, leptonic mixing, and CP violation will be covered, with special emphasis on seesaw models. A discussion is provided on…

High Energy Physics - Phenomenology · Physics 2015-06-03 G. C. Branco , R. Gonzalez Felipe , F. R. Joaquim

The CP violation required in leptogenesis may have different origin, but in an effective theory they all are related to the rephasing invariant CP violating measure in the mixing matrix of the leptonic sector. We point out that the maximum…

High Energy Physics - Phenomenology · Physics 2011-09-16 Yong Liu , Utpal Sarkar

The phenomenology of 3-neutrino mixing, the current status of our knowledge about the 3-neutrino mixing parameters, including the absolute neutrino mass scale, and of the Dirac and Majorana CP violation in the lepton sector, are reviewed.…

High Energy Physics - Phenomenology · Physics 2014-05-12 S. T. Petcov

We discuss the possibility of relating the size and sign of the observed baryon asymmetry of the universe to CP violation observable at low energies, in a framework where the observed baryon asymmetry is produced by leptogenesis through out…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. C. Branco , T. Morozumi , B. M. Nobre , M. N. Rebelo

The CP-violation necessary for the generation of the baryon asymmetry of the Universe in the "flavoured" leptogenesis scenario can arise from the "low energy" PMNS neutrino mixing matrix and/or from the "high energy" part of neutrino Yukawa…

High Energy Physics - Phenomenology · Physics 2009-09-16 E. Molinaro , S. T. Petcov

Taking into account the recent progress in the understanding of the lepton flavour effects in leptogenesis, we investigate in detail the possibility that the CP-violation necessary for the generation of the baryon asymmetry of the Universe…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Pascoli , S. T. Petcov , Antonio Riotto

We discuss the possibility of relating the size and sign of the observed baryon asymmetry of the universe to CP violation observable at low energies, in a framework where the observed baryon asymmetry is produced by leptogenesis through the…

High Energy Physics - Phenomenology · Physics 2014-11-17 Gustavo C. Branco , Takuya Morozumi , B. M. Nobre , M. N. Rebelo

Assuming the seesaw and leptogenesis mechanisms, I give some general remarks on possible connection or disconnection between CP violation in heavy Majorana neutrino decays and that in neutrino oscillations. A simple but predictive ansatz is…

High Energy Physics - Phenomenology · Physics 2009-11-07 Zhi-zhong Xing

We discuss the correlation between the CP violating Dirac phase of the lepton mixing matrix and the cosmological baryon asymmetry based on the leptogenesis in the minimal seesaw model with two right-handed Majorana neutrinos and the…

High Energy Physics - Phenomenology · Physics 2018-02-01 Yusuke Shimizu , Kenta Takagi , Morimitsu Tanimoto

Effects of the lightest neutrino mass in "flavoured" leptogenesis when the CP-violation necessary for the generation of the baryon asymmetry of the Universe is due exclusively to the Dirac and/or Majorana phases in the neutrino mixing…

High Energy Physics - Phenomenology · Physics 2009-07-22 E. Molinaro , S. T. Petcov , T. Shindou , Y. Takanishi

I review some aspects related with the connections between neutrino physics and the thermal leptogenesis mechanism for the generation of the cosmological baryon asymmetry of the Universe. A special attention is devoted to the problem of…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. R. Joaquim

We describe the role of CP violation in the generation of the baryon asymmetry of the Universe, in the framework of baryogenesis through leptogenesis, with emphasis on the possible relationship between CP violation at low energies and that…

High Energy Physics - Phenomenology · Physics 2007-05-23 Gustavo C. Branco

We study effects of CP violation in a modified bipair neutrino mixing scheme predicting $\sin^2\theta_{23}$ near both 0.4 and 0.6 currently consistent with experimentally allowed values. The source of CP violation is supplied by charged…

High Energy Physics - Phenomenology · Physics 2015-06-19 Jun Iizuka , Yoshikazu Kaneko , Teruyuki Kitabayashi , Naoto Koizumi , Masaki Yasue

Leptogenesis is the most favourable mechanism for generating the observed baryon asymmetry of the Universe (BAU) which implies CP violation in the high energy scale. The low energy leptonic CP violation is expected to be observed in the…

High Energy Physics - Phenomenology · Physics 2015-06-16 H. Zeen Devi

We present a study of resonant leptogenesis in a radiative seesaw model. We consider the case where two quasi-degenerate right-handed neutrinos realize resonant leptogenesis, and the CP violation necessary to achieve leptogenesis occurs…

High Energy Physics - Phenomenology · Physics 2023-01-11 Bikash Thapa , Ng. K. Francis

In the minimal left-right symmetric model with spontaneous CP violation, there are only two intrinsic CP violating phases to account for all CP violation in both the quark and lepton sectors. In addition, the left-and right-handed Majorana…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mu-Chun Chen , K. T. Mahanthappa

We discuss the minimal seesaw model for the Dirac CP violating phase of the lepton mixing matrix. We introduce two right-handed Majorana neutrinos and obtain several textures of the tri-maximal lepton mixing matrices. Moreover, we discuss…

High Energy Physics - Phenomenology · Physics 2018-05-09 Yusuke Shimizu , Kenta Takagi , Morimitsu Tanimoto

The CP-violation necessary for the generation of the baryon asymmetry of the Universe $Y_B$ in the "flavoured" leptogenesis scenario can arise from the "low energy" PMNS neutrino mixing matrix $U$ and/or from the "high energy" part of…

High Energy Physics - Phenomenology · Physics 2010-09-20 E. Molinaro , S. T. Petcov

We review the current status of the data on neutrino masses and lepton mixing and the prospects for measuring the CP-violating phases in the lepton sector. The possible connection between low energy CP violation encoded in the Dirac and…

High Energy Physics - Phenomenology · Physics 2018-03-05 C. Hagedorn , R. N. Mohapatra , E. Molinaro , C. C. Nishi , S. T. Petcov
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