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We perform a comparison of the different future neutrino oscillation experiments based on the achievable precision in the determination of the fundamental parameters theta_{13} and the CP phase, delta, assuming that theta_{13} is in the…

High Energy Physics - Phenomenology · Physics 2015-06-04 Pilar Coloma , Andrea Donini , Enrique Fernandez-Martinez , Pilar Hernandez

We derive renormalization group equations for neutrino masses, leptonic mixing angles and CP-violating phases running at energies above the seesaw threshold, both in the Standard Model and in the Minimal Supersymmetric Standard Model…

High Energy Physics - Phenomenology · Physics 2009-11-11 Jianwei Mei

With the discovery of a modest size for the mixing angle $\theta_{13} \sim 9^\circ$ by the Daya Bay collaboration at $>$5 sigma (\cite{dayabay}) the science of neutrino oscillations has shifted to explicit demonstration of CP violation and…

High Energy Physics - Experiment · Physics 2012-03-20 M. Bishai , M. V. Diwan , S. Kettell , J. Stewart , B. Viren , E. Worchester , L. Whitehead

Neutrino flavour oscillation is one of the primary indication of the existence of new physics beyond standard model. The presence of small neutrino mass is indispensable to explicate the oscillation among different flavours of neutrino. By…

High Energy Physics - Phenomenology · Physics 2023-01-31 Trisha Sarkar

Neutrino Physics is a mature branch of science with all the three neutrino mixing angles and two mass squared differences determined with high precision. Inspite of several experimental verifications of neutrino oscillations and precise…

High Energy Physics - Phenomenology · Physics 2018-06-28 Gayatri Ghosh , Kalpana Bora

Measurements of angular correlations in nuclear beta decay are important tests of the Standard Model (SM). Among those, the so-called D correlation parameter occupies a particular place because it is odd under time reversal, and because the…

High Energy Physics - Phenomenology · Physics 2023-01-04 Adam Falkowski , Antonio Rodríguez-Sánchez

Flavour oscillations of sub-GeV atmospheric neutrinos and antineutrinos, traversing different distances inside the Earth, are a promising source of information on the leptonic CP phase $\delta$. In that energy range, the oscillations are…

High Energy Physics - Phenomenology · Physics 2020-12-02 Ara Ioannisian , Stefan Pokorski , Janusz Rosiek , Michal Ryczkowski

A shape of the unitary triangle versus a CP violating parameter \delta depends on the phase conventions of the CKM matrix, because the CP violating parameter \delta cannot directly be observed, so that it is not rephasing-invariant. In…

High Energy Physics - Phenomenology · Physics 2014-11-18 Yoshio Koide

The achievement of the goals of the ongoing and future accelerator-based neutrino experiments - notably the determination of CP violating phase in the lepton sector - will require the development of advanced models of neutrino-nucleus…

High Energy Physics - Phenomenology · Physics 2023-05-10 Omar Benhar , Camillo Mariani

We obtain predictions for the Majorana phases $\alpha_{21}/2$ and $\alpha_{31}/2$ of the $3\times 3$ unitary neutrino mixing matrix $U = U_e^{\dagger} \, U_{\nu}$, $U_e$ and $U_{\nu}$ being the $3\times 3$ unitary matrices resulting from…

High Energy Physics - Phenomenology · Physics 2016-11-02 I. Girardi , S. T. Petcov , A. V. Titov

Assuming universality of Yukawa coupling of the superpotential and maximal spontaneous CP violation, fermion masses and mixing angles including that of neutrinos are studied in an SUSY SO(10)$\times \Delta (48)\times$ U(1) model with small…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. C. Chou , Yue-Liang Wu

Assuming a minimal seesaw model with two heavy neutrinos (N), we examine effects of leptonic CP violation induced by approximate mu-tau symmetric interactions. As long as N is subject to the mu-tau symmetry, we can choose CP phases of Dirac…

High Energy Physics - Phenomenology · Physics 2008-11-26 Teppei Baba , Masaki Yasue

Neutrino non-standard interactions (NSI) can be constrained using coherent elastic neutrino-nucleus scattering. We discuss here two aspects in this respect, namely the effects of (i) charged current NSI in neutrino production and (ii)…

High Energy Physics - Phenomenology · Physics 2021-07-19 Amir N. Khan , Douglas W. McKay , Werner Rodejohann

I summarize the status of neutrino oscillations that follow from current data, including the status of the small parameters ratio of solar-over-atmospheric splitting and $\sin^2\theta_{13}$ characterizing the strength of CP violation in…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. W. F. Valle

The latest results from the long baseline neutrino experiments show a hint of non-zero CP violation in the neutrino sector. In this article, we study the CP violation effects in the upcoming long-baseline neutrino experiments DUNE and T2HK.…

High Energy Physics - Phenomenology · Physics 2023-06-14 Barnali Brahma , Anjan Giri

The presence of new neutrino-quark interactions can enhance, deplete or distort the coherent elastic neutrino-nucleus scattering (CEvNS) event rate. The new interactions may involve CP violating phases that can potentially affect these…

High Energy Physics - Phenomenology · Physics 2019-10-02 D. Aristizabal Sierra , V. De Romeri , N. Rojas

We explore whether KamLAND and solar data may end up inconsistent when analyzed in terms of two-flavor neutrino oscillations. If this turned out to be the case, one would be led to conclude that there is more new physics, besides neutrino…

High Energy Physics - Phenomenology · Physics 2008-11-26 Andre de Gouvea , Carlos Pena-Garay

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

One-loop theta-exact quantum corrections to the neutrino propagator are computed in noncommutative U*(1) gauge-theory based on Seiberg-Witten maps. Our closed form results show that the one-loop correction contains a hard 1/epsilon UV…

High Energy Physics - Theory · Physics 2015-06-03 R. Horvat , A. Ilakovac , P. Schupp , J. Trampetic , J. You

Systematic analysis of the determination of the value of leptonic CP-violating angle delta and the neutrino mass hierarchy sgn(delta m^2_31) by long baseline neutrino oscillation experiments is presented. We note the difficulty to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Masafumi Koike , Masako Saito
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