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We report the result of a search for neutrino oscillations using precise measurements of the recoil electron energy spectrum and zenith angle variations of the solar neutrino flux from 1258 days of neutrino-electron scattering data in…

高能物理 - 实验 · 物理学 2010-05-28 Kamiokande Collaboration

We analyze the impact of the data on long baseline \nu_\mu disappearance from the K2K experiment and reactor \bar\nu_e disappearance from the KamLAND experiment on the determination of the leptonic three-generation mixing parameters.…

高能物理 - 唯象学 · 物理学 2011-01-31 M. C. Gonzalez-Garcia , Carlos Pena-Garay

We present an updated analysis of the current solar neutrino data in terms of three-flavor oscillations, including the additional constraints coming from terrestrial neutrino oscillation searches at the CHOOZ (reactor), Super-Kamiokande…

高能物理 - 唯象学 · 物理学 2009-10-07 G. L. Fogli , G. Lettera , E. Lisi , A. Marrone , A. Palazzo , A. Rotunno

We reanalyze the non-standard interaction (NSI) solutions to the solar neutrino problem in the light of the latest solar, atmospheric and reactor neutrino data. We show that such solutions, although preferred by the solar data and…

高能物理 - 唯象学 · 物理学 2009-09-17 M. M. Guzzo , P. C. de Holanda , M. Maltoni , H. Nunokawa , M. A. Tortola , J. W. F. Valle

We review neutrino oscillation physics, including the determination of mass splittings and mixings from current solar, atmospheric, reactor and accelerator neutrino data. A brief discussion is given of cosmological and astrophysical…

高能物理 - 唯象学 · 物理学 2009-09-17 S. Pakvasa , J. W. F. Valle

Within the framework of an SO(10) GUT model that can accommodate both the atmospheric and the LMA solar neutrino mixing solutions, we present explicit predictions for the neutrino oscillation parameters \sin^2 2\theta_{13}, \sin^2…

高能物理 - 唯象学 · 物理学 2009-11-07 Carl H. Albright , S. Geer

In this paper we do a three-generation oscillation analysis of the latest (848 days) Super-Kamiokande (SK) atmospheric neutrino data going beyond the one mass scale dominance (OMSD) approximation. We fix $\Delta_{12} = \Delta_{13}$…

高能物理 - 唯象学 · 物理学 2011-05-23 Sandhya Choubey , Srubabati Goswami , Kamales Kar

I review some aspects concerning the physics of neutrino mixing and oscillations. I discuss in some detail the physical neutrino oscillations parameter space in the case of two and three family mixing, and briefly describe the current…

高能物理 - 唯象学 · 物理学 2009-11-07 Andre de Gouvea

Violation of the Equivalence Principle (VEP) can lead to neutrino oscillation through the non-diagonal coupling of neutrino flavor eigenstates with the gravitational field. The neutrino energy dependence of this oscillation probability is…

高能物理 - 唯象学 · 物理学 2009-10-31 Debasish Majumdar , Amitava Raychaudhuri , Arunansu Sil

We briefly discuss some implications of the first solar \nu results from the Sudbury Neutrino Observatory (SNO) experiment in the charged-current channel. We first show that the present SNO response function is very similar to the…

高能物理 - 唯象学 · 物理学 2009-10-07 G. L. Fogli , E. Lisi , D. Montanino , A. Palazzo

We elucidate effects of solar density fluctuations on neutrino propagation through the Sun. Using data from the recent solar neutrino and KamLAND experiments we provide stringent limits on solar density fluctuations. It is shown that the…

高能物理 - 唯象学 · 物理学 2009-11-10 A. B. Balantekin , H. Yuksel

A review of the problem of neutrino mass, mixing and oscillations is given. Possible phenomenological schemes of neutrino mixing are discussed. The most important consequences of neutrino mixing--neutrino oscillations are considered in some…

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

The recent result from the chromium source experiment carried out by the GALLEX collaboration implies interesting limits on the parameters $\Delta m^2$ and $\sin^22\theta$ describing neutrino oscillations. Values of $\Delta m^2~>~0.17$…

高能物理 - 唯象学 · 物理学 2009-10-07 J. N. Bahcall , P. I. Krastev , E. Lisi

We present an improved measurement of the CNO solar neutrino interaction rate at Earth obtained with the complete Borexino Phase-III dataset. The measured rate R$_{\rm CNO}$ = $6.7^{+2.0}_{-0.8}$ counts/(day$ \cdot$ 100 tonnes), allows us…

This article summarises the status of the solar neutrino oscillation phenomenology at the end of 2002 in the light of the SNO and KamLAND results. We first present the allowed areas obtained from global solar analysis and demonstrate the…

高能物理 - 唯象学 · 物理学 2008-11-26 Srubabati Goswami

The first data released by the KamLAND collaboration have confirmed the strong evidence in favour of the LMA solution of the solar neutrino problem. Taking into account the ranges for the oscillation parameters allowed by the global…

高能物理 - 唯象学 · 物理学 2009-11-10 F. R. Joaquim

Neutrino Oscillation, in which a given flavour of neutrino transforms into another is a powerful tool for probing small neutrino masses. The intrinsic neutrino properties involved are neutrino mass squared difference $\Delta m^2$ and the…

高能物理 - 唯象学 · 物理学 2008-11-26 Srubabati Goswami

I describe the current status of the solar neutrino problem, summarizing the arguments that its resolution will require new particle physics. The phenomenon of matter-enhanced neutrino oscillations is reviewed. I consider the implications…

核理论 · 物理学 2007-05-23 W. C. Haxton

Measuring the 7Be solar neutrino flux is crucial towards solving the solar neutrino puzzle. The Borexino experiment, and possibly the KamLAND experiment, will be capable of studying the 7Be neutrinos in the near future. We discuss (1) how…

高能物理 - 唯象学 · 物理学 2009-09-29 Andre de Gouvea , Alexander Friedland , Hitoshi Murayama

Current neutrino experimental data on neutrino mixing are well describes by Tri-bi-maximal mixing, which is predicts sin^{2}\theta_{12}=1/3,zero U_{e3} and \theta_{23}=45^{o}. We consider the planck scale operator on neutrino mixing. We…

高能物理 - 唯象学 · 物理学 2009-05-01 Bipin Singh Koranga