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Related papers: CP violation in scattering of neutrinos on polariz…

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In this paper, we analyze the scattering of the neutrino beam on the polarized electron target, and predict the effects of two theoretically possible scenarios beyond the Standard Model. In both scenarios, Dirac neutrinos are assumed to be…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Ciechanowicz , M. Misiaszek , W. Sobkow

Elastic scattering of transversely polarized electron antineutrino beam off unpolarized electrons can be used to detect the CP-violating effects by measuring the azimuthal asymmetry of recoil electrons caused by the interference terms…

High Energy Physics - Phenomenology · Physics 2009-09-07 W. Sobków , S. Ciechanowicz , M. Misiaszek

In this paper, we show how a presence of the exotic scalar, tensor weak interactions in addition to the standard vector-axial (V-A) one may help to distinguish the Dirac from Majorana neutrinos in the elastic scattering of (anti)neutrino…

High Energy Physics - Phenomenology · Physics 2016-05-30 W. Sobków , A. Błaut

Possibility of using the polarized electron target (PET) for testing the neutrino nature is considered. One assumes that the incoming electron neutrino ($\nu_e$) beam is the superposition of left chiral states with right chiral ones.…

High Energy Physics - Phenomenology · Physics 2020-05-06 A. Błaut , W. Sobków

In this paper, we indicate a possibility of utilizing the elastic scattering of the Dirac low energy ($\sim 1$ MeV) electron neutrinos ($\nu_e$'s) on the polarized electron target (PET) in testing the time reversal symmetry violation…

High Energy Physics - Phenomenology · Physics 2019-02-11 W. Sobków , A. Błaut

The discovery of leptonic CP violation is one of the primary goals of next-generation neutrino oscillation experiments, which is feasible due to the recent measurement of a relatively large leptonic mixing angle \theta_{13}. We suggest two…

High Energy Physics - Phenomenology · Physics 2013-03-19 Tommy Ohlsson , He Zhang , Shun Zhou

If the massive neutrinos are Majorana particles, neutrinoless double beta ($0\nu\beta\beta$) decay experiments are not enough to determine the Majorana phases. We carry out a systematic study of CP violation in neutrino-antineutrino…

High Energy Physics - Phenomenology · Physics 2013-10-23 Ye-Ling Zhou

We propose a way of detecting CP violation in a single neutrino oscillation channel at very long baselines (on the order of several thousands of kilometers), given precise knowledge of the smallest mass-squared difference. It is shown that…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. C. Latimer , J. Escamilla , D. J. Ernst

Measurements of CP--violating observables in neutrino oscillation experiments have been studied in the literature as a way to determine the CP--violating phase in the mixing matrix for leptons. Here we show that such observables also probe…

High Energy Physics - Phenomenology · Physics 2010-05-28 M. C. Gonzalez-Garcia , Y. Grossman , A. Gusso , Y. Nir

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

The next generation of long baseline neutrino oscillation experiments will aim at determining the unknown mixing angle $\theta_{13}$, the type of neutrino mass hierarchy and CP-violation. We discuss the separation of these properties by…

High Energy Physics - Phenomenology · Physics 2009-05-19 Jose Bernabeu , Catalina Espinoza

The elastic scattering of longitudinal and transversal neutrinos on a spinless nucleus have been discussed taking into account the charge, magnetic, anapole and electric dipole moments of fermions and their weak neutral currents. Compound…

High Energy Physics - Phenomenology · Physics 2021-01-29 R. B. Begzhanov , R. S. Sharafiddinov

We have discussed the search of the genuine CP violation in a neutrino factory, in which well known neutrino beams are provided by a high intensity muon storage ring. Both $\Delta P(\n_\a \Ar \n_\b)$ and CP odd asymmetry $A_{CP}$ in…

High Energy Physics - Phenomenology · Physics 2008-11-26 Morimitsu Tanimoto

We explore CP violation effects on the neutrino propagation in dense environments, such as in core-collapse supernovae, where the neutrino self-interaction induces non-linear evolution equations. We demonstrate that the electron…

Astrophysics · Physics 2008-11-26 Jerome Gava , Cristina Volpe

We discuss the connection between observable CP violation in the lepton sector, the properties of heavy neutrinos and the baryon asymmetry of the universe in the minimal seesaw model. A measurement of the Dirac phase $\delta$ would allow to…

High Energy Physics - Phenomenology · Physics 2016-11-28 Marco Drewes , Bjorn Garbrecht , Dario Gueter , Juraj Klaric

With the advent of the recent measurements in neutrino physics, we investigate the role of high-energy neutrino flux ratios at neutrino telescopes for the possibility of determining the leptonic CP-violating phase \delta and the underlying…

High Energy Physics - Phenomenology · Physics 2012-09-20 Davide Meloni , Tommy Ohlsson

We study the CP violation in the deviation from the tri-bimaximal mixing (TBM) of neutrinos. We examine non-trivial relations among the mixing angles and the CP violating Dirac phase in the typical four cases of the deviation from the TBM.…

High Energy Physics - Phenomenology · Physics 2015-06-19 Yusuke Shimizu , Morimitsu Tanimoto , Kei Yamamoto

We propose that leptonic CP violation arises from a breaking of the mu-tau exchange symmetry in the neutrino mass matrix which in turn is indicated by the near maximal atmospheric neutrino mixing and the near zero \theta_{13}. We find that…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. N. Mohapatra , W. Rodejohann

Stimulated by the idea of PRISM, a very high intensity muon ring with rather low energy, we consider possibilities of observing CP-violation effects in neutrino oscillation experiments. More than 10% of CP-violation effect can be seen…

High Energy Physics - Phenomenology · Physics 2014-11-17 Masafumi Koike , Joe Sato

Assuming 3-neutrino mixing and massive Majorana neutrinos, we analyze the possibility of establishing the existence of CP-violation associated with Majorana neutrinos in the lepton sector i) by measuring of the effective Majorana mass |<m>|…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Pascoli , S. T. Petcov , W. Rodejohann
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