Results 51 to 60 of about 2,514,674 (303)

A Fully Self-consistent Model for Solar Flares [PDF]

open access: yesAstrophysical Journal, 2020
The “standard solar flare model” collects all physical ingredients identified by multiwavelength observations of our Sun: magnetic reconnection, fast particle acceleration, and the resulting emission at various wavelengths, especially in soft to hard X ...
Wenzhi Ruan, C. Xia, R. Keppens
semanticscholar   +1 more source

New oscillation and scattering constraints on the tau row matrix elements without assuming unitarity

open access: yesJournal of High Energy Physics, 2022
The tau neutrino is the least well measured particle in the Standard Model. Most notably, the tau neutrino row of the lepton mixing matrix is quite poorly constrained when unitarity is not assumed.
Peter B. Denton, Julia Gehrlein
doaj   +1 more source

A global analysis strategy to resolve neutrino NSI degeneracies with scattering and oscillation data

open access: yesJournal of High Energy Physics, 2020
Neutrino non-standard interactions (NSI) with the first generation of standard model fermions can span a parameter space of large dimension and exhibit degeneracies that cannot be broken by a single class of experiment.
Bhaskar Dutta   +5 more
doaj   +1 more source

Techno-Economic Assessment of Heat Transfer Fluid Buffering for Thermal Energy Storage in the Solar Field of Parabolic Trough Solar Thermal Power Plants

open access: yesEnergies, 2017
Currently, operating parabolic trough (PT) solar thermal power plants, either solar-only or with thermal storage block, use the solar field as a heat transfer fluid (HTF) thermal storage system to provide extra thermal capacity when it is needed. This is
Jorge M. Llamas   +2 more
doaj   +1 more source

Solar map of India under clear sky conditions

open access: yesInternational Journal of Sustainable Energy, 2019
This paper focusses on generation of solar irradiation map under clear sky conditions using r.sun model. Direct Irradiation, diffuse irradiation and global irradiation maps are plotted using programme which was developed in C language.
Neelam Rathore   +3 more
doaj   +1 more source

Improved global fit to Non-Standard neutrino Interactions using COHERENT energy and timing data

open access: yesJournal of High Energy Physics, 2020
We perform a global fit to neutrino oscillation and coherent neutrino-nucleus scattering data, using both timing and energy information from the COHERENT experiment. The results are used to set model-independent bounds on four-fermion effective operators
Pilar Coloma   +3 more
doaj   +1 more source

A single-station spectral model of the monthly median foF2 over Chongqing, China

open access: yesAnnals of Geophysics, 2008
Hourly values of the critical frequency of the ionospheric F region, foF2, obtained at Chongqing ionospheric observatory (geographic 29.50N, 106.40E), China, during the interval of 1977 to 1997 (solar cycle 21 and 22) have been used to ...
J. Feng, G. Wei, J. Wu, Z. Wu, T. Xu
doaj   +1 more source

Sensitivity of direct detection experiments to neutrino magnetic dipole moments

open access: yesJournal of High Energy Physics, 2020
With large active volume sizes dark matter direct detection experiments are sensitive to solar neutrino fluxes. Nuclear recoil signals are induced by 8B neutrinos, while electron recoils are mainly generated by the pp flux. Measurements of both processes
D. Aristizabal Sierra   +3 more
doaj   +1 more source

New results on standard solar models [PDF]

open access: yesAstrophysics and Space Science, 2009
We describe the current status of solar modelling and focus on the problems originated with the introduction of solar abundance determinations with low CNO abundance values. We use models computed with solar abundance compilations obtained during the last decade, including the newest published abundances by Asplund and collaborators.
openaire   +4 more sources

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