Results 61 to 70 of about 577,611 (298)

A new small satellite sunspot triggering recurrent standard- and blowout-coronal jets

, 2019
In this paper,we report a detailed analysis of recurrent jets originated from a location with emerging, canceling and converging negative magnetic field at the east edge of NOAA active region AR11166 from 2011 March 09 to 10.
Abidin, Z. Z., Elmhamdi, A., Kordi, A. S., Li, H. B., Liu, Y., Miao, Yuhu, Shen, Y. D., Tian, Z. J.   +7 more
core   +1 more source

Acoustic Measures Capture Speech Dysfunction in Spinocerebellar Ataxia

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Spinocerebellar ataxias (SCA) are hereditary cerebellar degenerative disorders with a common feature of dysarthria, involving impaired phonatory and articulatory control of speech, thereby affecting social communication. In this study, we investigated whether acoustic measures could objectively measure speech dysfunction and identify
Zena Fadel, Charlotte Hennessey, Hannah Lee, Pia Parekh, Sheng‐Han Kuo, Ami Kumar   +5 more
wiley   +1 more source

Non-Thermal Emission from Radio-Loud AGN Jets: Radio vs. X-rays

Galaxies, 2022
We consider the sample of 55 blazars and Seyferts cross-correlated from the Planck all-sky survey based on the Early Release Compact Source Catalog (ERCSC) and Swift BAT 105-Month Hard X-ray Survey. The radio Planck spectra vs.
Elena Fedorova, Bohdan Hnatyk, Antonino Del Popolo, Anatoliy Vasylenko, Vadym Voitsekhovskyi   +4 more
doaj   +1 more source

Pure Samples of Quark and Gluon Jets at the LHC [PDF]

, 2011
Having pure samples of quark and gluon jets would greatly facilitate the study of jet properties and substructure, with many potential standard model and new physics applications.
A Abdesselam, A Banfi, A Hornig, CW Bauer, CW Bauer, D Krohn, D Stump, DE Kaplan, J Alwall, J Gallicchio, J Gallicchio, J Thaler, Jason Gallicchio, JM Butterworth, M Dasgupta, Matthew D. Schwartz, R Brun, R Kelley, SD Ellis, T Becher, T Han, Y Cui   +21 more
core   +2 more sources

Stationary relativistic jets [PDF]

Computational Astrophysics and Cosmology, 2015
AbstractIn this paper we describe a simple numerical approach which allows to study the structure of steady-state axisymmetric relativistic jets using one-dimensional time-dependent simulations. It is based on the fact that for narrow jets with $v_{z}\approx c$ v z
Komissarov, SS, Porth, O, Lyutikov, M
openaire   +5 more sources

Associations of Sleep and Shift Work With Osteoarthritis Risk

Arthritis Care &Research, EarlyView.
Objective Daily rhythms may be critical for maintaining homeostasis of joint tissues. We aimed to investigate the relationships among circadian clock disruption, sleep, and osteoarthritis (OA) risk in humans. Methods In the UK Biobank, a prospective 500,000–person cohort, we evaluated associations among sleep duration, sleeplessness/insomnia, and shift
Elizabeth L. Yanik, Abigail Bridgeman, Erik D. Herzog, Vy Pham, Bradley A. Evanoff, Farshid Guilak   +5 more
wiley   +1 more source

A Chandra Survey of Quasar Jets: First Results

, 2004
We present results from Chandra X-ray imaging and spectroscopy of a flux-limited sample of flat spectrum radio-emitting quasars with jet-like extended structure. Twelve of twenty quasar jets are detected in 5 ks ACIS-S exposures.
D. A. Schwartz, D. L. Jauncey, D. M. Worrall, D. W. Murphy, E. S. Perlman, H. L. Marshall, J. E. J. Lovell, J. M. Gelbord, Lobanov A. P., M. Birkinshaw, Murphy D. W., Prieto M. A.   +11 more
core   +1 more source

Chromospheric jets around the edges of sunspots [PDF]

, 2012
Aims. Evidence is beginning to be put forward that demonstrates the role of the chromosphere in supplying energy and mass to the corona. We aim to asses the role of chromospheric jets in active region dynamics. Methods.
Aschwanden, Athay, Beckers, Beckers, Bryans, Brynildsen, Cirtain, Dammasch, De Moortel, De Pontieu, De Pontieu, De Pontieu, De Pontieu, De Pontieu, De Pontieu, De Pontieu, Delaboudinière, Erdélyi, Handy, Handy, Heggland, Hollweg, James, James, Kamio, Kano, Katsukawa, Kjeldseth-Moe, Kuridze, Liu, Liu, Madjarska, Marsch, Marsch, McLaughlin, Moore, Morton, Morton, Murawski, O’Shea, Peter, Pneuman, R. J. Morton, Rouppe van der Voort, Scullion, Solanki, Sterling, Sterling, Suematsu, Teriaca, Thomas, Tian, Tian, Tian, Tziotziou, Ugarte-Urra, Vasheghani Farahani, Warren, Zaqarashvili   +58 more
core   +2 more sources

A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems

International Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.
A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam, Anthony Siming Chen, Guido Herrmann   +2 more
wiley   +1 more source

Gagates in Crimean middle jurassic sediments (Sudak): coal petrography, paleobotany, formation conditions

Известия высших учебных заведений: Геология и разведка, 2023
Background. The coal-bearing deposits of the Kopsel formation of the Bathonian-Callovian age of the Middle Jurassic near the city of Sudak (Crimea) are studied.
I. E. Stukalova, Т. А. Sadchikova, S. V. Naugolnykh, А. L. Chepalyga   +3 more
doaj   +1 more source