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We have studied CP violation originated by the phase of the neutrino mixing matrix in the long baseline neutrino oscillation experiments. The direct measurements of CP violation is the difference of the transition probabilities between…

High Energy Physics - Phenomenology · Physics 2014-11-17 Morimitsu Tanimoto

One of the major open issues in neutrino physics is the possible existence of CP violation in the neutrino sector. Such an observation would have an important impact in various domains of physics, from high energy physics to cosmology. Its…

High Energy Physics - Phenomenology · Physics 2011-07-19 Cristina Volpe

We investigate, within the framework of three generations of neutrinos, the effects of CP violation in long-baseline neutrino oscillation experiments. We aim at illuminating the global feature of the interplay between genuine effect due to…

High Energy Physics - Phenomenology · Physics 2009-10-30 Hisakazu Minakata , Hiroshi Nunokawa

Leptonic CP violation is one of the most important topics in neutrino physics. CP violation in the neutrino sector is strongly related to the nature of neutrinos: whether they are Dirac or Majorana particles. In \cite{Popov:2021icg} we have…

High Energy Physics - Phenomenology · Physics 2023-02-14 Artem Popov , Alexander Studenikin

Leptonic CP violation is one of the most important topics in neutrino physics. CP violation in the neutrino sector is strongly related to the nature of neutrinos: whether they are Dirac or Majorana particles. In \cite{Popov:2021icg} we have…

High Energy Physics - Phenomenology · Physics 2024-06-11 A. Popov , A. Studenikin

Observables of neutrino oscillations in matter have, in general, contributions from the effective matter potential. It contaminates the CP violation asymmetry adding a fake effect that has been recently disentangled from the genuine one by…

High Energy Physics - Phenomenology · Physics 2019-05-01 Jose Bernabeu , Alejandro Segarra

The field of neutrino physics has made significant progress in measuring the strength and frequency of neutrino and antineutrino oscillations in the past two decades. It is clear that the amplitudes involved in the neutrino oscillation…

High Energy Physics - Phenomenology · Physics 2026-02-09 Shu Luo

The existence of CP-violation in the leptonic sector is one of the most important issues for modern science. Neutrino physics is a key to the solution of this problem. JUNO (under construction) is the near future of neutrino physics.…

High Energy Physics - Phenomenology · Physics 2018-08-14 Mikhail Smirnov , Zhuojun Hu , Shuaijie Li , Jiajie Ling

We make an analysis of the fake CPT-violating asymmetries between the survival probabilities of neutrinos and antineutrinos, induced by the terrestrial matter effects, in three different scenarios of long-baseline neutrino oscillation…

High Energy Physics - Phenomenology · Physics 2011-09-06 Zhi-zhong Xing

The invariant formulation of CP violation involves the generation of sets of invariant constraints for CP conservation, the manipulation of their expressions and the identification of complete and minimal subsets of such constraints. In…

High Energy Physics - Phenomenology · Physics 2009-10-28 F. del Aguila , J. A. Aguilar-Saavedra , M. Zrałek

I study the weak basis CP-violating invariants in supersymmetric models, in particular those which cannot be expressed in terms of the Jarlskog--type invariants, and find basis--independent conditions for CP conservation. With an example of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Oleg Lebedev

We find using the minimal left-right symmetric model that the presence of leptonic CP violation can radiatively generate a strong CP phase at the one-loop level itself, which can be beyond the current bounds established by the neutron…

High Energy Physics - Phenomenology · Physics 2015-04-29 Ravi Kuchimanchi

This PhD thesis deals with the current experimental hint for large CP violation in the leptonic sector. We first quantify its global statistical significance, by combining the results from relevant neutrino oscillation experiments. As the…

High Energy Physics - Phenomenology · Physics 2020-10-02 Ivan Esteban

Some theories of new physics accounting for neutrino masses can give rise to a low-energy non-unitary leptonic mixing matrix. It is shown that the CP-asymmetries in the $\nu_\mu\to \nu_\tau$ channel are an excellent probe of such new…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Lopez-Pavon

New physics beyond the Standard Model could appear at long baseline oscillation experiments as non-standard interactions (NSI) between neutrinos and matter. If so, determination of the CP-violating phase $\delta_{13}$ is ambiguous due to…

High Energy Physics - Phenomenology · Physics 2018-10-01 Jeffrey M. Hyde

Our way of describing Nature is based on local relativistic quantum field theories, and then CPT symmetry, a natural consequence of Lorentz invariance, locality and hermiticity of the Hamiltonian, is one of the few if not the only…

High Energy Physics - Phenomenology · Physics 2019-05-14 Gabriela Barenboim , Christoph Andreas Ternes , Mariam Tórtola

Existing experimental data for neutrino oscillations are consistent with Lorentz-violating massless neutrinos. This talk summarizes some aspects of neutrino oscillations from the perspective of Lorentz and CPT violation in effective quantum…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alan Kostelecky

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

In view of the latest T2K and MINOS observations regarding the mixing angle s_{13}, we have explored the possibility of existence of CP violation in the leptonic sector. Using hints from the construction of the 'db' unitarity triangle in…

High Energy Physics - Phenomenology · Physics 2015-06-05 Gulsheen Ahuja

Recent experimental data provides evidence for neutrino masses and leads to the possibility of leptonic mixing and CP violation. In this work special attention is dedicated to CP violation in the leptonic sector both at low and at high…

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