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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…

高能物理 - 唯象学 · 物理学 2008-11-26 Anna Kalliomäki , Jukka Maalampi , Morimitsu Tanimoto

The Earth's matter effect is going to play a crucial role in measuring the unknown three-flavor neutrino oscillation parameters at high confidence level in future high-precision long-baseline experiments. We observe that owing to the new…

高能物理 - 唯象学 · 物理学 2021-10-22 Masoom Singh , Sanjib Kumar Agarwalla

The neutrino mixing angle theta(13) is at the focus of current neutrino research. From a global analysis of the available oscillation data in a 3-neutrino framework, we previously reported [Phys. Rev. Lett. 101, 141801 (2008)] hints in…

高能物理 - 唯象学 · 物理学 2013-05-29 G. L. Fogli , E. Lisi , A. Marrone , A. Palazzo , A. M. Rotunno

The three active light neutrinos are used to explain the neutrino oscillations. The inherently bi-large mixing neutrino mass matrix and the Fritzsch type, bi-small mixing charged lepton mass matrix are assumed. By requiring the maximal…

高能物理 - 唯象学 · 物理学 2014-11-17 Chun Liu , Jeonghyeon Song

The simplest unified extension of the MSSM with bi-linear R--Parity violation naturally predicts a hierarchical neutrino mass spectrum, in which one neutrino acquires mass by mixing with neutralinos, while the other two get mass…

高能物理 - 唯象学 · 物理学 2014-11-17 M. Hirsch , M. A. Diaz , W. Porod , J. C. Romao , J. W. F. Valle

Neutrino mixing and basics of neutrino oscillations are considered. Recent evidences in favour of neutrino oscillations, obtained in the solar and atmospheric neutrino experiments, are discussed. Neutrino oscillations in the solar and…

高能物理 - 唯象学 · 物理学 2007-05-23 S. M. Bilenky

We have analyzed the results of reactor and accelerator neutrino oscillation experiments in the framework of a general model with mixing of three neutrino fields and a neutrino mass hierarchy that can accommodate the results of the solar…

高能物理 - 唯象学 · 物理学 2009-10-28 S. M. Bilenky , A. Bottino , C. Giunti , C. W. Kim

Maximum mixing in atmospheric neutrino oscillation, as well as vanishing of the MNS matrix element $U_{e3}$, are consequences of a 2-3 symmetry, under which the neutrino mass matrix is invariant under the interchange of second and third…

高能物理 - 唯象学 · 物理学 2009-11-07 C. S. Lam

The perturbative treatment of subdominant oscillation and the matter effect in neutrino beams/superbeams, propagating over long baselines and being used to look for CP violation, is studied here for a general matter density function varying…

高能物理 - 唯象学 · 物理学 2015-06-25 Biswajoy Brahmachari , Sandhya Choubey , Probir Roy

Matter density uncertainties can affect the measurements of the neutrino oscillation parameters at future neutrino factory experiments, such as the measurements of the mixing parameters $\theta_{13}$ and $\deltacp$. We compare different…

高能物理 - 唯象学 · 物理学 2014-11-17 Tommy Ohlsson , Walter Winter

The question "how small is the lepton mixing angle \theta_{13}?" had a convincing answer in a surprisingly short time, \theta_{13} \simeq 9^{\circ}, a large value comparable to the Chooz limit. It defines a new epoch in the program of…

高能物理 - 唯象学 · 物理学 2015-06-11 Hisakazu Minakata

If a Z' gauge boson of a gauged L_mu - L_tau symmetry is very light, it is associated with a long-range leptonic force. In this case the particles in the Sun create via mixing of Z' with the Standard Model Z a flavor-dependent potential for…

高能物理 - 唯象学 · 物理学 2011-07-06 Julian Heeck , Werner Rodejohann

A review of accelerator long-baseline neutrino oscillation experiments is provided, including all experiments performed to date and the projected sensitivity of those currently in progress. Accelerator experiments have played a crucial role…

高能物理 - 实验 · 物理学 2013-05-09 G. J. Feldman , J. Hartnell , T. Kobayashi

Charged tau leptons emerging in a long baseline experiment with a muon storage ring and a far-away detector will positively establish neutrino oscillations. We study the conversion of $\nu_\mu$ ($\bar{\nu}_\mu$) and of $\bar{\nu}_e$…

高能物理 - 唯象学 · 物理学 2014-11-17 G. Barenboim , F. Scheck

We have analyzed the results of the latest terrestrial neutrino oscillation experiments in the framework of a model with mixing of three massive neutrinos and a neutrino mass hierarchy ($ m_1 << m_2 << m_3 $). In this model, oscillations of…

高能物理 - 唯象学 · 物理学 2009-12-30 S. M. Bilenky , A. Bottino , C. Giunti , C. W. Kim

Neutrino physics is nowadays receiving more and more attention as a possible source of information for the long--standing investigation of new physics beyond the Standard Model. The rather recent measurement of the third mixing angle…

高能物理 - 唯象学 · 物理学 2016-09-22 Luca Stanco

Neutrino oscillations reveal several small parameters, namely, $\theta_{13}$, the solar mass splitting {\em vis-\`{a}-vis} the atmospheric one, and the deviation of $\theta_{23}$ from maximal mixing. Can these small quantities all be traced…

高能物理 - 唯象学 · 物理学 2015-05-27 Soumita Pramanick , Amitava Raychaudhuri

The first results from the JUNO reactor neutrino oscillation experiment improve our knowledge of neutrino masses and mixing parameters, especially the solar angle $\theta_s \equiv \theta_{12}$ and the solar mass squared difference $\Delta…

高能物理 - 唯象学 · 物理学 2025-12-04 Shao-Feng Ge , Chui-Fan Kong , Manfred Lindner , João Paulo Pinheiro

Phenomena of neutrino oscillations are discussed on the basis of two-loop radiative neutrino mechanism. Neutrino mixings are experimentally suggested to be maximal in both atmospheric and solar neutrino oscillations. By using $L_e - L_\mu -…

高能物理 - 唯象学 · 物理学 2007-05-23 Teruyuki Kitabayashi , Masaki Yasue

A generation of neutrino experiments have established that neutrinos mix and probably have mass. The mixing phenomenon points to processes beyond those of the Standard Model, possibly at the Grand Unification energy scale. A extensive…

高能物理 - 唯象学 · 物理学 2007-05-23 M. Apollonio
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