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Related papers: Neutrino oscillations: what is magic about the "ma…

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Neutrinos, and primarily neutrino oscillations, have undoubtedly been one of the most exciting topics in the field of high-energy physics over the past few years. The existence of neutrino oscillations would require an extension of the…

High Energy Physics - Experiment · Physics 2009-12-08 A. De Santo

In this paper, we present an analysis of the outcomes of long-baseline neutrino experiments based on the consideration of frameworks. Our analysis suggests that the time difference between the time-of-flights corresponding to the speed of…

General Physics · Physics 2012-05-15 Md. Farid Ahmed

A generalized phenomenological (3 + 2 + 1)-model with three active and three sterile neutrinos is considered for the calculation of the neutrino oscillation characteristics at normal mass hierarchy of active neutrinos and significant…

High Energy Physics - Phenomenology · Physics 2016-12-28 V. V. Khruschov , S. V. Fomichev , O. A. Titov

In the framework of three generations, we consider the CP violation in neutrino oscillation with matter effects. At first, we show that the non-perturbative effects of two small parameters, \Delta m_{21}^2/\Delta m_{31}^2 and \sin…

High Energy Physics - Phenomenology · Physics 2009-11-11 Akira Takamura , Keiichi Kimura

The characteristic features of the neutrino oscillation length resonance, taking place in the $\nu_2 \to \nu_{e}$ and $\nu_{\mu} \to \nu_{e}$ ($\nu_e \to \nu_{\mu (\tau)}$) transitions in the Earth of the solar and atmospheric neutrinos…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. T. Petcov

We reformulate perturbation theory for neutrino oscillations in matter with an expansion parameter related to the ratio of the solar to the atmospheric $\Delta m^2$ scales. Unlike previous works, we use a renormalized basis in which certain…

High Energy Physics - Phenomenology · Physics 2016-03-23 Hisakazu Minakata , Stephen J Parke

The question of neutrino mass is one of the major riddles in particle physics. Recently, strong evidence that neutrinos have nonzero masses has been found. While tiny, these masses could be large enough to contribute significantly to the…

High Energy Physics - Phenomenology · Physics 2008-12-18 Peter Fisher , Boris Kayser , Kevin S. McFarland

The neutrino oscillation hypothesis does a poor job of representing the atmospheric neutrino anomaly. The anomaly is observed over 4 decades in path length and at least a factor of 30 in energy. This restricts the potential oscillation…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. M. LoSecco

Now that theta13 is known to be large, a medium baseline reactor experiment can observe the fine structure of the electron antineutrino survival probability curve, approximately periodic oscillations in L/E with wavelength 4pi/Delta M^2_31.…

High Energy Physics - Experiment · Physics 2015-06-11 Emilio Ciuffoli , Jarah Evslin , Xinmin Zhang

It is shown that in the two schemes with four massive neutrinos which are compatible with the results of all neutrino oscillation experiments, the probabilities of nu_e disappearance and nu_mu->nu_e appearance in long-baseline experiments…

High Energy Physics - Phenomenology · Physics 2015-06-25 S. M. Bilenky , C. Giunti , W. Grimus

The precision measurement and discovery potential of a neutrino factory based on a storage ring of boosted radioactive ions ($\beta$-beam) is re-examined. In contrast with past designs, which assume ion $\gamma$ factors of $\sim 100$ and…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. Burguet-Castell , D. Casper , J. J. Gomez-Cadenas , P. Hernandez , F. Sanchez

Neutrino oscillations in the early Universe prior to the epoch of primordial nucleosynthesis is studied by implementing real time non-equilibrium field theory methods. We focus on two flavors of Dirac neutrinos, however, the formulation is…

High Energy Physics - Phenomenology · Physics 2009-11-11 C. M. Ho , D. Boyanovsky , H. J. de Vega

In this paper, we study the effect of the minimal length on neutrino oscillation in a static magnetic field. In the framework of the generalized uncertainty principle, we reformulate the Hamiltonian for a relativistic neutrino moving in a…

High Energy Physics - Phenomenology · Physics 2023-05-31 Fidele J. Twagirayezu

In this paper we review different expansions for neutrino oscillation probabilities in matter in the context of long-baseline neutrino experiments. We examine the accuracy and computational efficiency of different exact and approximate…

High Energy Physics - Phenomenology · Physics 2019-03-14 Gabriela Barenboim , Peter B. Denton , Stephen J. Parke , Christoph A. Ternes

We study the phenomenological implications of the presence of two zeros in a magic neutrino mass matrix. We find that only two such patterns of the neutrino mass matrix are experimentally acceptable. We express all the neutrino observables…

High Energy Physics - Phenomenology · Physics 2020-12-29 Radha Raman Gautam , Sanjeev Kumar

We study neutrino oscillations in a medium of dark matter which generalizes the standard matter effect. A general formula is derived to describe the effect of various mediums and their mediators to neutrinos. Neutrinos and anti-neutrinos…

High Energy Physics - Phenomenology · Physics 2019-10-08 Ki-Young Choi , Eung Jin Chun , Jongkuk Kim

Neutrino oscillations are one of the most studied and successful phenomena since the establishment of the solar neutrino problem in late 1960's. In this work we discuss the exact expressions for the probability P_{\alpha\beta} in a constant…

High Energy Physics - Phenomenology · Physics 2016-11-23 L. J. Flores , O. G. Miranda

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

A very long baseline experiment, with $L/E$ of $1.6 \times 10^4$ m/MeV, has been proposed as the ideal means to measure $\theta_{13}$, including its sign, for neutrino energies less than 50 MeV. Higher energies require consideration of the…

Nuclear Theory · Physics 2009-11-11 D. C. Latimer , D. J. Ernst

We revisit correlations of neutrino oscillation parameters in reactor and long-baseline neutrino oscillation experiments. A framework based on an effective value of $\theta_{13}$ is presented, which can easily reproduce experimental…

High Energy Physics - Phenomenology · Physics 2018-04-25 Manfred Lindner , Werner Rodejohann , Xun-Jie Xu