Results 51 to 60 of about 72,380 (235)

A New Method for Probabilistic Spatiotemporal Forecasts of Solar Soft X‐Ray “S‐Class” (>X10) Superflares

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 2, February 2026.
Abstract Solar superflares of S‐class (>X10 in soft X‐rays) pose extreme space weather hazards, yet their prediction remains a fundamental challenge owing to their rapid and transient natures and the limitations of conventional event‐based forecasts. We introduce for the first time, a probabilistic spatiotemporal framework designed to identify extended
V. M. Velasco Herrera   +12 more
wiley   +1 more source

Limits on the Low-energy Electron Antineutrino Flux from the Brightest Gamma-Ray Burst of All Time

open access: yesThe Astrophysical Journal
The electron antineutrino flux limits are presented for the brightest gamma-ray burst (GRB) of all time, GRB221009A, over a range of 1.8–200 MeV using the Kamioka Liquid Scintillator Antineutrino Detector. Using multiple time windows ranging from minutes
S. Abe   +74 more
doaj   +1 more source

Detachable and robust three-dimensionally printed support structures for optical coupling of lightguide to photomultiplier tube

open access: yesNuclear Engineering and Technology
This study introduces a novel optical coupling structure for scintillation detectors, which are critical tools in high-energy physics, nuclear engineering, medical physics, and radiation applications.
Sang Yong Kim   +2 more
doaj   +1 more source

Astro-Particle Physics at INFN

open access: yesUniverse, 2021
In Italy, INFN coordinates the research in the field of astro-particle physics. The supported experimental activities include the study of the cosmic radiation, the search of gravitational waves, the study of dark universe, general and quantum physics ...
Oliviero Cremonesi
doaj   +1 more source

Whipped and Mixed Warm Clouds in the Deep Sea

open access: yesGeophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract Turbulence is indispensable to redistribute nutrients for all life forms larger than microbial, on land and in the ocean. Yet, the development of deep‐sea turbulence was not studied in three dimensions to date. As a disproportionate laboratory, an array of nearly 3,000 high‐resolution temperature sensors had been installed for three years on ...
Hans van Haren, KM3NeT collaboration
wiley   +1 more source

Neutrino tomography of the Earth with ORCA detector

open access: yesEuropean Physical Journal C: Particles and Fields, 2022
Using PREM as a reference model for the Earth density distribution we investigate the sensitivity of ORCA detector to deviations of the Earth (i) outer core (OC) density, (ii) inner core (IC) density, (iii) total core density, and (iv) mantle density ...
F. Capozzi, S. T. Petcov
doaj   +1 more source

Quantum GraviElectro Dynamics

open access: yesAnnalen der Physik, Volume 538, Issue 1, January 2026.
The BRST invariant Lagrangian of the gravitationally interacting U(1)$U(1)$ gauge theory, namely the Quantum GraviElectro Dynamics (QGED). The Yan–Mills theory with the Hilbert–Einstein gravitational Lagrangian, namely the Yang–Mills–Utiyama (YMU) theory, is defined and quantised using the standard procedure. The theory is perturbatively renormalisable,
Yoshimasa Kurihara
wiley   +1 more source

Testing the Weak Cosmic Censorship Conjecture via Test Particle–Induced Overcharging/Overspinning of Kerr–Newman–Modified Gravity Black Hole

open access: yesAdvances in Astronomy, Volume 2026, Issue 1, 2026.
We examine the weak cosmic censorship conjecture (WCCC) violation by throwing a charged and rotating test particle into a Kerr–Newman–modified gravity black hole (KN–MOG BH). The result depends on several factors, such as the relative sign of the particle’s charge and its direction of rotation with respect to black hole (BH).
Waqar Ahmad   +2 more
wiley   +1 more source

Neutrino factory [PDF]

open access: yesPhysical Review Special Topics - Accelerators and Beams, 2014
The properties of the neutrino provide a unique window on physics beyond that described by the standard model. The study of subleading effects in neutrino oscillations, and the race to discover CP-invariance violation in the lepton sector, has begun with the recent discovery that θ 13 >0 . The measured value of θ 13 is large, emphasizing the need for a
Bogomilov, M.   +98 more
openaire   +10 more sources

A Renormalizable Neutrino Mass Model With (Z2 × Z4)⋊Z2(II) Symmetry

open access: yesAdvances in High Energy Physics, Volume 2026, Issue 1, 2026.
In this work, a renormalizable neutrino mass model based on (Z2 × Z4)⋊Z2 (II) symmetry is proposed for the modification of the μ − τ reflection symmetry. The hierarchies of lepton masses can be naturally realized, and the lepton mixing is addressed.
V. V. Vien   +3 more
wiley   +1 more source

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