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Neutrinos can scatter electrons in water detectors through their magnetic moments and charge radii in addition to the charged and neutral currents channels. The recent solar neutrino charged current event rates announced by SNO with the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Anjan S. Joshipura , Subhendra Mohanty

We study the sensitivity of large-scale xenon detectors to low-energy solar neutrinos, to coherent neutrino-nucleus scattering and to neutrinoless double beta decay. As a concrete example, we consider the xenon part of the proposed DARWIN…

Instrumentation and Detectors · Physics 2014-02-10 L. Baudis , A. Ferella , A. Kish , A. Manalaysay , T. Marrodan Undagoitia , M. Schumann

We use measurements of cosmic shear from CFHTLS, combined with WMAP-5 cosmic microwave background anisotropy data, baryonic acoustic oscillations from SDSS and 2dFGRS and supernovae data from SNLS and Gold-set, to constrain the neutrino…

We use the galaxy angular power spectrum at $z\sim0.5-1.2$ from the Canada-France-Hawaii-Telescope Legacy Survey Wide fields (CFHTLS-Wide) to constrain separately the total neutrino mass $\sum{m_\nu}$ and the effective number of neutrino…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Jun-Qing Xia , Benjamin R. Granett , Matteo Viel , Simeon Bird , Luigi Guzzo , Martin G. Haehnelt , Jean Coupon , Henry Joy McCracken , Yannick Mellier

We find that magnetic neutrino-electron scattering is unaffected by oscillations for vacuum mixing of Dirac neutrinos with only diagonal moments and for Majorana neutrinos with two flavors. For MSW mixing, these cases again obtain, though…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. F. Beacom , P. Vogel

We have performed a thorough analysis of the constraints which can be put on neutrino parameters from cosmological observations, most notably those from the WMAP satellite and the 2dF galaxy survey. For this data we find an upper limit on…

Astrophysics · Physics 2009-11-07 Steen Hannestad

The potential of the dark matter direct detection experiments to provide independent measurements on solar neutrino fluxes in the Standard Model and in the presence of the light mediators is studied in this work. We also present the…

High Energy Physics - Phenomenology · Physics 2024-11-27 Shuo-yu Xia

The standard solar model (SSM) yield a $^8$B solar neutrino flux which is consistent within the theoretical and experimental uncertainties with that observed at Super-Kamiokande. The combined results from the Super- Kamiokande and the…

Astrophysics · Physics 2011-04-15 Arnon Dar

New precision Cosmic Microwave Background Radiation (CMBR) anisotropy data are beginning to constrain physics beyond the standard model, for example in the form of additional light particle species. These constraints are complementary to…

Astrophysics · Physics 2009-11-06 Steen Hannestad

We discuss the impact of the recent KamLAND constraint on the solar anti-neutrino flux on the analysis of solar neutrino data in the presence of Majorana neutrino transition magnetic moments and solar magnetic fields. We consider different…

High Energy Physics - Phenomenology · Physics 2009-09-17 O. G. Miranda , T. I. Rashba , A. I. Rez , J. W. F. Valle

We study the phenomenological consequences of maximal and near-maximal mixing of the electron neutrino with other ($x$=tau and/or muon) neutrinos. We describe the deviations from maximal mixing in terms of a parameter…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. C. Gonzalez-Garcia , C. Peña-Garay , Y. Nir , A. Yu. Smirnov

We propose to study possible signals of just-so oscillations in new-generation solar neutrino experiments by separating the events detected when the earth is nearest to the sun (perihelion $\pm$~3~months) from those detected when the earth…

High Energy Physics - Phenomenology · Physics 2009-08-07 B. Faid , G. L. Fogli , E. Lisi , D. Montanino

We point out that the recent data from the Sudbury Neutrino Observatory, together with other relevant measurements from solar and reactor neutrino experiments, convincingly show that the flavor transitions of solar neutrinos are affected by…

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

Assuming positive observation of neutrinoless double bata decay together with the CHOOZ reactor bound, we derive constraints imposed on neutrino mixing parameters, the solar mixing angle \theta_{12} and the observable mass parameter < m…

High Energy Physics - Phenomenology · Physics 2017-08-23 Hisakazu Minakata , Hiroaki Sugiyama

We present a generalization of the resonant neutrino conversion in matter, including a random component in the matter density profile. The study is focused on the effect of such matter perturbations upon both large and small mixing angle…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Rossi

Cosmological neutrino mass bounds are becoming increasingly stringent. The latest limit within $\Lambda$CDM from Planck 2018+ACT lensing+DESI is $\sum m_\nu < 0.072\,{\rm eV}$ at 95\% CL, very close to the minimum possible sum of neutrino…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-29 Daniel Naredo-Tuero , Miguel Escudero , Enrique Fernández-Martínez , Xabier Marcano , Vivian Poulin

Models of dark energy in which neutrinos interact with the scalar field supposed to be responsible for the acceleration of the universe usually imply a variation of the neutrino masses on cosmological time scales. In this work we propose a…

Cosmology and Nongalactic Astrophysics · Physics 2009-11-06 Urbano Franca , Massimiliano Lattanzi , Julien Lesgourgues , Sergio Pastor

In this work we study the phenomenological consequences of the dependence of mass varying neutrinos on the neutrino density in the Sun, which we precisely compute in each point along the neutrino trajectory. We find that a generic…

High Energy Physics - Phenomenology · Physics 2009-11-11 Marco Cirelli , M. C. Gonzalez-Garcia , Carlos Pena-Garay

The case for small neutrino mass differences from atmospheric and solar neutrino oscillation experiments has become compelling, but leaves the overall neutrino mass scale m_nu undetermined. The most restrictive limit of m_nu < 0.8 eV arises…

Astrophysics · Physics 2009-11-07 G. G. Raffelt

We obtained constraints on a 12 parameter extended cosmological scenario including non-phantom dynamical dark energy (NPDDE) with CPL parametrization. We also include the six $\Lambda$CDM parameters, number of relativistic neutrino species…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-01 Shouvik Roy Choudhury , Abhishek Naskar