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263 documents correspondants.

Prépublication · 2026 arXiv EN

Effective Neutrino Mass and Apparent Phantom Crossing

Recent cosmological constraints on the sum of neutrino masses have reached, and in some analyses fallen below, the minimum value implied by the normal mass ordering, suggesting a possible tension with neutrino-oscillation measurements. We investigate whether t...

Gabriel Rodrigues, Jamerson Rodrigues et al. #astro-ph.CO
Prépublication · 2026 arXiv EN

Phenomenology of axion-meson mixing and scattering processes

We study the mixing between a generic axion-like particle (ALP) and the light pseudoscalar mesons within chiral perturbation theory ($χ$PT), and its consequences for low-energy scattering and decay processes. Starting from the most general ALP effective Lagran...

Noé Duarte-González #hep-ph
Prépublication · 2026 arXiv EN

A faint dust ring beyond the compact disk of Sz 76

We report new ALMA Band 7 high-resolution ($\sim$0.05$^{''}$) continuum and $^{12}\text{CO}\ (J=3\text{--}2)$ observations of the disk around the young low-mass star Sz 76. Visibility-plane modeling reveals a previously undetected, faint outer dust ring center...

Giulia Ricciardi, Anna Miotello et al. #astro-ph.EP
Prépublication · 2026 arXiv EN

LazyTB: Extended LTB-solutions with Multiple Interacting Fluids

We present a low entry barrier numerical code LazyTB that solves the Einstein equations in the ADM-formulation for a general spherically symmetric problem with an arbitrary number of fluids with user defined equations of state and optional interactions between...

Kimmo Kainulainen, Enrico Schiappacasse et al. #astro-ph.CO
Prépublication · 2026 arXiv EN

Convergence of Roberts flow dynamos in Eulerian and Lagrangian codes

Standard benchmark tests for numerical magnetohydrodynamics codes focus on one- and two-dimensional problems that ignore the possibility of dynamos, i.e., an exponential instability converting kinetic energy into magnetic energy. They also tend to ignore magne...

Nikyta Shchutskyi, Axel Brandenburg et al. #physics.comp-ph
Livre numérisé · 1864 Internet Archive EN

Leechdoms, wortcunning, and starcraft of early England. Being a collection of documents, for the most part never before printed, illustrating the history of science in this country before the Norman conquest

v. 1. Preface. Herbarium of Apuleius. Continued from Dioskorides, etc. Medicina de quadrupedibus of Sextus Placitus; all from Brit. mus. ms. Cotton. Vitellius C. III. Leechdoms from fly leaves of mss. Charms (in part)--v. 2. Læce boc: Leech book, from Brit. mu...

London : Longman, Green, Longman, Roberts, and Green #Anglo-Saxons -- Medicine #Botany, Medical #Learning and scholarship -- England