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Related papers: Neutrino physics from new SNO and KamLAND data and…

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The physics implications of the just published salt phase data from the SNO experiment are examined. The effect of these data on the allowed ranges of the solar neutrino oscillation parameters, $\Delta_m^2_{21}$ and $\sin^2\theta_{12}$, are…

High Energy Physics - Phenomenology · Physics 2010-04-05 Abhijit Bandyopadhyay , Sandhya Choubey , Srubabati Goswami , S. T. Petcov , D. P. Roy

We present an updated analysis of all available solar and reactor neutrino data, emphasizing in particular the totality of the KamLAND results and including the SNO phase III spectrum data. In a two active-neutrino framework, we determine…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Aliani , V. Antonelli , R. Ferrari , M. Picariello , E. Torrente-Lujan

We perform a global analysis of neutrino oscillation data in the framework of three neutrinos, including the recent improved measurement of the neutral current events at SNO. In addition to all current solar neutrino data we take into…

High Energy Physics - Phenomenology · Physics 2009-09-17 M. Maltoni , T. Schwetz , M. A. Tortola , J. W. F. Valle

We present a short review of the existing evidence in favor of neutrino mass and neutrino oscillations which come from different kinds of experiments. We focus our attention in particular on solar neutrinos, presenting a review of some…

High Energy Physics - Phenomenology · Physics 2007-06-22 P. Aliani , V. Antonelli , R. Ferrari , M. Picariello , E. Torrente-Lujan

Solar neutrino oscillations are supported by KamLAND's antineutrino measurements, but certain solar neutrino data - the observed shape of the ${}^8$B flux and the difference between day and night counting rates measured in Super-Kamiokande…

High Energy Physics - Phenomenology · Physics 2018-01-01 Francesco Vissani

We present an updated analysis of all available solar and reactor neutrino data, emphasizing in particular the totality of the KamLAND (314d live time) results and including for the first time the solar $SNO$ (391d live time, phase II…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Antonelli , E. Torrente-Lujan

The 8B solar neutrino flux inferred from a global analysis of solar neutrino experiments is within 11% (1 sigma) of the predicted standard solar model value if only active neutrinos exist, but could be as large as 1.7 times the standard…

High Energy Physics - Phenomenology · Physics 2009-11-07 John N. Bahcall , M. C. Gonzalez-Garcia , C. Pena-Garay

We perform model independent and model dependent analyses of solar neutrino data including the neutral current event rate from SNO. The inclusion of the first SNO NC data in the model independent analysis determines the allowed ranges of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Abhijit Bandyopadhyay , Sandhya Choubey , Srubabati Goswami , D. P. Roy

We compare, using a three neutrino analysis, the allowed neutrino oscillation parameters and solar neutrino fluxes determined by the experimental data available Before and After Neutrino 2004. New data available after Neutrino2004 include…

High Energy Physics - Phenomenology · Physics 2014-11-17 John N. Bahcall , M. C. Gonzalez-Garcia , Carlos Pena-Garay

A global analysis of the data from all the solar neutrino experiments combined with the recent KamLAND data is presented. A formula frequently used in the literature gives survival probability for three active solar neutrino flavors in…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. B. Balantekin , H. Yuksel

We use the recently reported KamLAND measurements on oscillations of reactor anti-neutrinos, together with the data of previously reported solar neutrino experiments, to show that: (1) the total 8B neutrino flux emitted by the Sun is…

High Energy Physics - Phenomenology · Physics 2010-02-03 John N. Bahcall , M. C. Gonzalez-Garcia , Carlos Pena-Garay

There are compelling evidences for the existence of a fourth degree of freedom of neutrinos i.e. sterile neutrino. In the recent studies the role of sterile component of neutrinos has been found to be crucial, not only in particle physics,…

High Energy Physics - Phenomenology · Physics 2019-04-12 Ankush , Rishu Verma , Gazal Sharma , B. C. Chauhan

An updated analysis of all available neutrino oscillation evidence in Solar experiments (SK day and night spectra, global rates from Homestake, SAGE and GALLEX) including the latest SNO CC and NC data is presented. Assuming that the shape…

High Energy Physics - Phenomenology · Physics 2007-06-22 P. Aliani , V. Antonelli , M. Picariello , R. Ferrari , E. Torrente-Lujan

We perform an oscillation parameter-independent analysis of solar neutrino flux measurements from which we predict the charged-current rate at SNO relative to Standard Solar Model to be $R_{SNO}^{CC}=0.35^{+0.16}_{-0.09}…

High Energy Physics - Phenomenology · Physics 2009-09-15 V. Barger , D. Marfatia , K. Whisnant

We present the constraints on neutrino oscillation parameters $\Delta m^2_{\odot}$ and $\theta_{\odot}$ governing the solar neutrino oscillations from two generation analysis of solar and KamLAND data. We include the latest 766.3 ton year…

High Energy Physics - Phenomenology · Physics 2014-11-18 Srubabati Goswami , Abhijit Bandyopadhyay , Sandhya Choubey

We analyze the impact of recent solar, atmospheric and reactor data in the determination of the neutrino oscillation parameters, taking into account that both the solar nu_e and the atmospheric nu_mu may convert to a mixture of active and…

High Energy Physics - Phenomenology · Physics 2009-09-17 M. Maltoni , T. Schwetz , M. A. Tortola , J. W. F. Valle

It is shown that the future SNO and Super-Kamiokande experiments, in which high energy $^8\mathrm{B}$ neutrinos will be detected through the observation of CC, NC and $\nu$--$e$ elastic scattering processes, could allow to reveal in a model…

High Energy Physics - Phenomenology · Physics 2009-09-25 S. M. Bilenky , C. Giunti

The SuperKamiokande collaboration has presented results on the observation of solar neutrinos. The Sudbury Neutrino Observatory (SNO) is also expected to go on-line in the near future. We propose several new variables, insensitive to the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Debasish Majumdar , Amitava Raychaudhuri

We have performed analysis of the solar neutrino data including results from the SNO salt phase as well as the combined analysis of the solar and the KamLAND results. The best fit values of neutrino parameters are Delta m^2 = 7.1e-5 eV^2,…

High Energy Physics - Phenomenology · Physics 2011-05-23 P. C. de Holanda , A. Yu. Smirnov

We explore the impact of the data from the KamLAND experiment in constraining neutrino mass and mixing angles involved in solar neutrino oscillations. In particular we discuss the precision with which we can determine the the mass squared…

High Energy Physics - Phenomenology · Physics 2009-11-10 Srubabati Goswami , Abhijit Bandyopadhyay , Sandhya Choubey
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