English
Related papers

Related papers: Hints for leptonic CP violation or New Physics?

200 papers

We propose a phenomenological model of lepton mixing and CP violation based on the flavor democracy of charge leptons and the mass degeneracy of neutrinos. A nearly bi-maximal flavor mixing pattern, which is favored by current data on…

High Energy Physics - Phenomenology · Physics 2007-05-23 Harald Fritzsch , Zhi-zhong Xing

We point out that the dependence on the order of the matter through which neutrinos pass can provide a window into CP violation in the neutrino sector. This allows for study of CP in the neutrino sector without the necessity of making a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Paul M. Fishbane , Peter Kaus

I discuss some theoretical aspects of how to observe leptonic CP violation. It is divided into two parts, one for CP violation due to Majorana, and the other more conventional leptonic Kobayashi-Maskawa (KM) phases. In the first part, I…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hisakazu Minakata

The next generation of neutrino oscillation experiments aims to answer many interesting questions, such as whether there is CP violation in the neutrino sector and whether sterile neutrinos exist. These experiments will require high…

High Energy Physics - Experiment · Physics 2012-12-04 L. Fields

The current experimental status of neutrino physics is reviewed. It contains the evidences for a non-vanishing neutrino rest mass from neutrino oscillation searches. In addition an outlook is given on determining the various mixing matrix…

High Energy Physics - Experiment · Physics 2009-11-11 K. Zuber

We present a comprehensive analysis of leptonic unitarity triangles, using both current neutrino oscillation data and projections of next-generation oscillation measurements. Future experiments, sensitive to the degree of CP violation in…

High Energy Physics - Phenomenology · Physics 2021-01-04 Sebastian A. R. Ellis , Kevin J. Kelly , Shirley Weishi Li

In this talk, based on the work \cite{cpviolation}, we refine our previous analysis \cite{golden} of the sensitivity to leptonic CP violation and $\tetaot$ at a neutrino factory in the LMA-MSW scenario, by exploring the full range of these…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Burguet-Castell , O. Mena

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

Four topics in theory of CP violation are reviewed. (a) CP violation in $B$ decays: We describe a new clean way of constraining the angle $\gamma$ of the unitarity triangle and how new CP violation in decay amplitudes can signal new…

High Energy Physics - Phenomenology · Physics 2009-09-25 Yosef Nir

CP violation in the field of $B$ physics is a crucial topic for exploring the quark sector and search for New Physics, both for theorists and experimentalists. CP violation manifests itself in various ways and in this presentation, we will…

High Energy Physics - Phenomenology · Physics 2024-02-16 Eleftheria Malami

The measurement of a non-zero value of the 1-3 mixing angle has paved the way for the determination of leptonic CP violation. However the current generation long-baseline experiments T2K and NOvA have limited sensitivity to delta_{CP}. In…

High Energy Physics - Phenomenology · Physics 2014-01-22 Monojit Ghosh , Pomita Ghoshal , Srubabati Goswami , Sushant K. Raut

The strategy of constraining the lepton flavor mixing from remnant CP symmetry is investigated in a rather general way. The neutrino mass matrix generally admits four remnant CP transformations which can be derived from the measured lepton…

High Energy Physics - Phenomenology · Physics 2015-03-05 Peng Chen , Cai-Chang Li , Gui-Jun Ding

We point out two simple but instructive possibilities to modify the tri-bimaximal neutrino mixing ansatz, such that leptonic CP violation can naturally be incorporated into the resultant scenarios of nearly tri-bimaximal flavor mixing. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Zhi-zhong Xing

New CP violating phases in the MSSM can affect both the abundance and detection of neutralino dark matter. We discuss the effect of including cosmological constraints in the limits on new sources of CP violation in the MSSM and the effects…

High Energy Physics - Phenomenology · Physics 2016-11-03 Toby Falk

If massive neutrinos are Majorana particles, then the lepton number should be violated and neutrino-antineutrino oscillations will take place. In this talk, we present the properties of CP violation in neutrino-antineutrino oscillations…

High Energy Physics - Phenomenology · Physics 2022-09-12 Yilin Wang , Shun Zhou

Recent highlights in CP violation phenomena are reviewed. B-factory results imply that CP-violation phase in the CKM matrix is the dominant contributor to the observed CP violation in K and B-physics. Deviations from the predictions of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Amarjit Soni

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 study a model with partial quark-lepton universality that can naturally arise in grand unified theories. We find that constraints on the model can be reduced to a single condition on the Dirac CP phase $\delta$ in the neutrino sector.…

High Energy Physics - Phenomenology · Physics 2015-10-02 Jiajun Liao , D. Marfatia , K. Whisnant

It is shown that effects of CP violation arise in neutrino-photon scattering. Several CP-violating $\nu\gamma$ reactions are considered within the Standard Model and predictions for some observables are made. It is emphasized that…

High Energy Physics - Phenomenology · Physics 2014-01-21 I. Alikhanov

In this talk I review the present status of neutrino masses and mixing and some of their implications for particle physics phenomenology. I first discuss the minimum extension of the Standard Model of particle physics required to…

High Energy Physics - Phenomenology · Physics 2009-11-10 M. C. Gonzalez-Garcia