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Related papers: Gallium data variability and KamLAND

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We reexamine the possibility of a time modulation of the low energy solar neutrino flux which is suggested by the average decrease of the Ga data in line with our previous arguments. We perform two separate fits to the solar neutrino data,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Bhag C. Chauhan , Joao Pulido , Marco Picariello

We perform a global analysis of most up-to-date solar neutrino data and KamLAND reactor antineutrino data in the framework of the 3+1 sterile neutrino mixing scenario (invoked to explain the results of the Gallium source experiments) with…

High Energy Physics - Phenomenology · Physics 2025-02-07 M. C. Gonzalez-Garcia , Michele Maltoni , João Paulo Pinheiro

Possible mixing of the active and sterile neutrinos has been considered both in the single Delta m^2 approximation and in the case of more than one Delta m^2. We perform global fit of the available solar neutrino data with free boron…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. C. de Holanda , A. Yu. Smirnov

We consider the impact of the recent KamLAND data on neutrino oscillations, the first terrestrial neutrino experiment that can probe the solar neutrino anomaly. By combining the first 145.1 days of KamLAND data with the full sample of…

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

The first results from the KamLAND experiment have provided confirmational evidence for the Large Mixing Angle (LMA) MSW solution to the solar neutrino problem. We do a global analysis of solar and the recently announced KamLAND data (both…

High Energy Physics - Phenomenology · Physics 2009-11-07 Abhijit Bandyopadhyay , Sandhya Choubey , Raj Gandhi , Srubabati Goswami , D. P. Roy

The KamLAND reactor antineutrino experiment has detected a 3.4\sigma flux suppression relative to the expectation if no neutrino oscillations occur. We combine KamLAND data with solar neutrino data and show that the LMA solution is the only…

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

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

The time dependence that appears to be hinted by the data from the first 13 years of the solar neutrino Gallium experiments is viewed as resulting from a partial conversion of active neutrinos to light sterile ones through the resonant…

High Energy Physics - Phenomenology · Physics 2016-12-07 Joao Pulido , B. C. Chauhan , R. S. Raghavan

We study what will be learnt about the solar neutrino puzzle and solar neutrino oscillations once the data from the KamLAND reactor neutrino experiment (soon to become available) are combined with those from the current solar neutrino…

High Energy Physics - Phenomenology · Physics 2009-11-07 André de Gouvêa , C. Peña-Garay

We study in detail the power of the reactor experiment kamLAND for discriminating existing solutions to the SNP and giving accurate information on neutrino masses and mixing angles. Assuming the expected signal corresponding to various…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. Aliani , V. Antonelli , M. Picariello , E. Torrente-Lujan

We analyze the expected signals of two future neutrino experiments, kamLAND and BOREXINO. We show that with just these experiments, we will hopefully be able to determine which of the existing solutions to the solar neutrino problem is the…

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

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

We give an alternative description of the new data produced in the KamLAND experiment, assuming the existence of a natural nuclear reactor on the boundary of the liquid and solid phases of the Earth's core. Analyzing the uncertainty of…

We investigate the potential of 3 kiloTon-years(kTy) of KamLAND data to further constrain the $\Delta m^2$ and $\tan^2\theta$ values compared to those presently allowed by existing KamLAND and global solar data. We study the extent,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Abhijit Bandyopadhyay , Sandhya Choubey , Raj Gandhi , Srubabati Goswami , D. P. Roy

The LMA solution of the solar neutrino problem has been explored with the 1,000 ton liquid scinatillator detector, KamLAND. It utilizes nuclear power reactors distributing effectively 180km from the experimental site. Comparing observed…

High Energy Physics - Experiment · Physics 2017-08-23 K. Inoue

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 analyze the energy spectrum of reactor neutrino events recently observed in the Kamioka Liquid scintillator Anti-Neutrino Detector (KamLAND) and combine them with solar and terrestrial neutrino data, in the context of two- and…

High Energy Physics - Phenomenology · Physics 2009-10-07 G. L. Fogli , E. Lisi , A. Marrone , D. Montanino , A. Palazzo , A. M. Rotunno

We consider the implications of the recent results of SAGE and GALLEX experiments for the solution of the solar neutrino problem in the framework of the resonant neutrino spin-flavor precession scenario. It is shown that this scenario is…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Kh. Akhmedov , A. Lanza , S. T. Petcov

We investigate the possibility of detecting solar electron antineutrinos with the KamLAND experiment. These electron antineutrinos are predicted by spin-flavor oscillations at a significant rate even if this mechanism is not the leading…

High Energy Physics - Phenomenology · Physics 2014-11-17 E. Torrente-Lujan

First we investigate the possibility of detecting solar antineutrinos with the KamLAND experiment. Then we analyze the first Borexino data release to constrain the neutrino magnetic moment. Finally we investigate the resonant spin flavour…

High Energy Physics - Phenomenology · Physics 2009-07-06 M. Picariello , B. C. Chauhan , C. R. Das , Fernandez-Melgarejo , D. Montanino , J. Pulido , E. Torrente-Lujan
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