Results 61 to 70 of about 99,563 (256)

Nuclear Aspects of the Solar Neutrino Problem [PDF]

open access: yesAstrophysics and Space Science, 1997
11 pages, LaTeX (uses kluwer.sty, included), plus 3 figures added as postscript files, to appear in Proceedings of the Sixth UN/ESA Workshop on Basic Space Science: Ground-based and Space-borne Astronomy, Bonn, Germany, 9-13 September 1996, Editors: H.J. Haubold and P.G.
Heinz Oberhummer   +3 more
openaire   +2 more sources

A new three flavor oscillation solution of the solar neutrino deficit in R-parity violating supersymmetry [PDF]

open access: yes, 2001
We present a solution of the solar neutrino deficit using three flavors of neutrinos within the R-parity non-conserving supersymmetric model. In vacuum, mass and mixing is restricted to the nu(mu)-nu(tau) sector only, which we choose in consistency with ...
Adhikari, Rathin   +2 more
core   +2 more sources

Solar Neutrinos and the Violation of Equivalence Principle [PDF]

open access: yes, 1998
In this Brief Report, a non-standard solution to the solar neutrino problem is revisited. This solution assumes that neutrino flavors could have different couplings to gravity, hence, the equivalence principle is violated in this mechanism.
A. Halprin   +35 more
core   +2 more sources

Human flaws and logical tools in engineering

open access: yesThe Canadian Journal of Chemical Engineering, Volume 103, Issue 8, Page 3512-3520, August 2025.
Abstract This paper explores the limitations of human cognition, especially in engineering research, emphasizing the need for mathematical models and methods to guide decision‐making and theory validation. While human cognition excels in certain tasks, it is prone to biases that can distort our understanding.
André C. R. Martins
wiley   +1 more source

Supernova Neutrino Spectrum with Matter and Spin Flavor Precession Effects

open access: yes, 2003
We consider Majorana neutrino conversions inside supernovae by taking into account both flavor mixing and the neutrino magnetic moment. We study the adiabaticity of various possible transitions between the neutrino states for both normal and inverted ...
A Ahriche   +49 more
core   +2 more sources

Two Micron‐Size Dark Dimensions

open access: yesFortschritte der Physik, Volume 73, Issue 8, August 2025.
Abstract Two extra dimensions of micron scale might simultaneously address the gauge and cosmological hierarchy problems. In this paper various observational bounds in scenarios with one and two large extra dimensions are examined, to see if they are compatible with the micron scale.
Luis A. Anchordoqui   +2 more
wiley   +1 more source

A Phenomenological Study on Lepton Mass Matrix Textures [PDF]

open access: yes, 2001
The three active light neutrinos are used to explain the neutrino oscillations. The inherently bi-large mixing neutrino mass matrix and the Fritzsch type, bi-small mixing charged lepton mass matrix are assumed.
A. Aranda   +42 more
core   +3 more sources

3He Transport in the Sun and the Solar Neutrino Problem. [PDF]

open access: yesPhysical Review Letters, 1996
Recent solar neutrino experiments have shown that both $\phi(^8$B) and the neutrino flux ratio $\phi(^7$Be)/$\phi(^8$B) are substantially below their standard solar model values, leading some to discount the possibility of an astrophysical solution to ...
Andrew Cumming, Wick Haxton
semanticscholar   +1 more source

Recent Developments in Halide Perovskite Nanocrystals for Indirect X‐ray Detection

open access: yesAdvanced Materials Technologies, Volume 9, Issue 20, October 21, 2024.
Perovskite nanocrystals act as scintillators under X‐ray illumination with different conversion yield, stability, or decay times and outperform commercial materials, depending on their composition, host matrix, and luminescence process. Besides the lead halide perovskites, there are lead‐free alternatives providing self‐trapped exciton emission ...
Olexiy Balitskii   +2 more
wiley   +1 more source

Probability of a Solution to the Solar Neutrino Problem within the Minimal Standard Model. [PDF]

open access: yesPhysical Review Letters, 1996
Tests, independent of any solar model, can be made of whether solar neutrino experiments are consistent with the minimal standard model (stable, massless neutrinos).
K. Heeger, R. G. H. Robertson
semanticscholar   +1 more source

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