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Related papers: CP and T violation test in neutrino oscillation

200 papers

I examine how large violation of CP and T is allowed in long base line neutrino experiments. When we attribute both the atmospheric neutrino anomaly and the solar neutrino deficit to neutrino oscillation we may have a sizable T violation…

High Energy Physics - Phenomenology · Physics 2009-10-30 Joe Sato

We examine how large CP- and T-violation effects are allowed in long baseline neutrino experiments with three generations of neutrinos, considering both the solar neutrino deficit and the atmospheric neutrino anomaly. We considerd two…

High Energy Physics - Phenomenology · Physics 2008-02-03 Masafumi Koike , Joe Sato

We consider possibilities of observing CP-violation effects in neutrino oscillation experiments with low energy ($\sim$ several hundreds MeV).

High Energy Physics - Phenomenology · Physics 2011-02-11 J. Sato

We study in a quantitative way CP-violating effects in neutrino oscillation experiments in the light of current and future data. Different scenarios with three and four neutrinos are worked out in detail including matter effects in long…

High Energy Physics - Phenomenology · Physics 2009-10-31 K. Dick , M. Freund , M. Lindner , A. Romanino

We show simple methods how to separate pure CP violating effect from matter effect in long baseline neutrino oscillation experiments with three generations of neutrinos. We give compact formulae for neutrino oscillation probabilities…

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

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

In this short lecture, we discuss some basic phenomenological aspects of CP and T violation in neutrino oscillation. Using CP/T trajectory diagrams in the bi-probability space, we try to sketch out some essential features of the interplay…

High Energy Physics - Phenomenology · Physics 2009-11-10 Hisakazu Minakata , Hiroshi Nunokawa , Stephen Parke

The CP violation effects in long baseline neutrino oscillations are studied in the framework of a four-neutrino model (three active neutrinos and one sterile neutrino). It is assumed that neutrino masses are devided into two nearly…

High Energy Physics - Phenomenology · Physics 2008-11-26 Anna Kalliomäki , Jukka Maalampi , Morimitsu Tanimoto

We discuss possibilities to investigate the effects of CP (and T) violation in the lepton sector in neutrino oscillation experiments. We consider the effects of CP violation in the framework of two schemes of mixing of four massive…

High Energy Physics - Phenomenology · Physics 2014-11-17 S. M. Bilenky , C. Giunti , W. Grimus

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

We investigate the CP violation effect and the matter effect in the long-baseline neutrino oscillations in the four-neutrino model with mass scheme of the two pairs of two close masses separated by a gap of the order of 1 eV by using the…

High Energy Physics - Phenomenology · Physics 2014-11-17 T. Hattori , T. Hasuike , S. Wakaizumi

We investigate CP-violation effect in the long-baseline neutrino oscillation in the four-neutrino model with mass scheme of the two nearly degenerate pairs separated with the order of 1 eV, by using the data from the solar neutrino deficit,…

High Energy Physics - Phenomenology · Physics 2009-10-31 Toshihiko Hattori , Tsutom Hasuike , Seiichi Wakaizumi

We propose a statistical formulation to estimate possible errors in long baseline neutrino oscillation experiments caused by uncertainties in the Earth matter density. A quantitative investigation of the effect is made on the CP asymmetry…

High Energy Physics - Phenomenology · Physics 2014-11-17 Lian-You Shan , Bing-Lin Young , Xinmin Zhang

The conditions to induce appreciable CP-and T-odd effects in neutrino oscillations are discussed. The propagation in matter leads to fake CP-and CPT-odd asymmetries, besides a Bohm-Aharonov type modification of the interference pattern. We…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. Bernabéu , M. C. Bañuls

After reviewing the general framework to study EPR-like neutrino oscillations, we derive expressions for the oscillation probabilities and a direct measure of CP violation. We compare the possibility of studying CP violation in this case…

High Energy Physics - Phenomenology · Physics 2009-10-30 M K Samal

The manifestation of CP, T violation in the leptonic sector is studied for flavour neutrino oscillations, both in vacuum and in matter. Different conditions of short-base-line versus long-base-line experiments are discussed.

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Bernabeu

I give a short overview about the possibilities and problems related to the measurement of CP violation in long baseline experiments. Special attention is paid to the issue of degeneracies and a method for their resolution is quantitatively…

High Energy Physics - Phenomenology · Physics 2016-09-06 Patrick Huber

A realistic medium- or long-baseline neutrino experiment may suffer from terrestrial matter effects which are likely to contaminate the genuine T-violating asymmetry between \nu_\alpha \to \nu_\beta and \nu_\beta \to \nu_\alpha…

High Energy Physics - Phenomenology · Physics 2015-06-15 Zhi-zhong Xing

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

Neutrino oscillations in the presence of Lorentz violation can present novel observable signals in both long- and short-baseline experiments. In this talk we describe the theory and its different regimes depending on properties of the…

High Energy Physics - Phenomenology · Physics 2017-08-23 Jorge S. Diaz
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