Results 91 to 100 of about 243,233 (254)

Dissecting the knee - Air shower measurements with KASCADE

, 2003
Recent results of the KASCADE air shower experiment are presented in order to shed some light on the astrophysics of cosmic rays in the region of the knee in the energy spectrum.
A. Bercuci, A. Chilingarian, A. Haungs, A. Risse, A. Vardanyan, A. Weindl, A.F. Badea, Aglietta, Aglietta, Antoni, Antoni, Antoni, Antoni, Büttner, C. Büttner, Candia, D. Heck, Engler, F. Feßler, G. Maier, G. Schatz, Gerhard, H. Blümer, H. Bozdog, H. Rebel, H. Schieler, H. Ulrich, H.J. Gils, H.J. Mathes, H.J. Mayer, H.O. Klages, Hörandel, Hörandel, Hörandel, I.M. Brancus, J. Engler, J. Milke, J. Oehlschläger, J. Scholz, J. van Buren, J. Wochele, J. Zabierowski, J.R. Hörandel, K. Bekk, K. Daumiller, K.-H. Kampert, Kampert, Kifune, M. Müller, M. Petcu, M. Risse, M. Roth, Maier, Milke, Milke, Müller, Nagashima, P. Doll, R. Engel, R. Glasstetter, R. Obenland, Roth, Roth, S. Ostapchenko, Schatz, T. Antoni, T. Thouw, Ulrich, Ulrich, W.D. Apel   +69 more
core   +1 more source

Astrophysical high-energy neutrinos [PDF]

Physics Today, 2018
News from multiple messengers—neutrinos, cosmic rays, and photons—provides clues to the cosmic sources that create some of the most energetic particles observed on Earth.
openaire   +1 more source

Analytical and Numerical Soliton Solutions of the Shynaray II‐A Equation Using the G′G,1G$$ \left(\frac{G^{\prime }}{G},\frac{1}{G}\right) $$‐Expansion Method and Regularization‐Based Neural Networks

Mathematical Methods in the Applied Sciences, EarlyView.
ABSTRACT Nonlinear differential equations play a fundamental role in modeling complex physical phenomena across solid‐state physics, hydrodynamics, plasma physics, nonlinear optics, and biological systems. This study focuses on the Shynaray II‐A equation, a relatively less‐explored parametric nonlinear partial differential equation that describes ...
Aamir Farooq, H. W. A. Riaz, Sadique Rehman, M. Mamun Miah, Wen Xiu Ma   +4 more
wiley   +1 more source

Research relative to high energy astrophysics [PDF]

Various parameters which affect the design of the proposed large area modular array of reflectors (LAMAR) are considered, including thermal control, high resolution X-ray spectroscopy, pointing control, and mirror performance.
Gorenstein, P.
core   +1 more source

Survey on AI‐Enabled Computer Vision Technologies and Applications for Space Robotic Missions

Journal of Field Robotics, EarlyView.
ABSTRACT This survey provides a comprehensive overview of recent advancements and challenges in Artificial Intelligence (AI)‐enabled computer vision (CV) techniques for space robotic missions, spanning critical phases such as Entry, Descent, and Landing (EDL), orbital operations, and planetary surface exploration.
Maciej Quoos, Steven Kay, Julia Wajoras, Robert Field, Evridiki V. Ntagiou, Fakher Mohammad, Yang Gao   +6 more
wiley   +1 more source

New Timing Results of MSPs from NICER Observations

Universe
Millisecond pulsars (MSPs) are known for their long-term stability. Using six years of observations from the Neutron Star Interior Composition Explorer (NICER), we have conducted an in-depth analysis of the X-ray timing results for six MSPs: PSRs B1937 ...
Shijie Zheng, Dawei Han, Heng Xu, Kejia Lee, Jianping Yuan, Haoxi Wang, Mingyu Ge, Liang Zhang, Yongye Li, Yitao Yin, Xiang Ma, Yong Chen, Shuangnan Zhang   +12 more
doaj   +1 more source

Increase of the Density, Temperature and Velocity of Plasma Jets driven by a Ring of High Energy Laser Beams

, 2013
Supersonic plasma outflows driven by multi-beam, high-energy lasers, such as Omega and NIF, have been and will be used as platforms for a variety of laboratory astrophysics experiments.
Anatoly Spitkovsky, Bruce Remington, Donald Q. Lamb, Edison P. Liang, Farley, Ferrari, Fryxell, Gregory, Hao, Hye-Sook Park, Kasperczuk, Kmetík, Michael Grosskopf, Milad Fatenejad, Nicolai, Nocolai, Park, Pech, Pisarczyk, Remington, Ross, Ryutov, Shigemori, Sizyuk, Tikhonchuk, Wen Fu   +25 more
core   +1 more source

Mind and Cosmos as Throughput Systems: A Convergence Through the Throughput Model

Systems Research and Behavioral Science, EarlyView.
ABSTRACT This paper advances a conceptual and mathematical foundations approach by applying the throughput model (TPM) to cosmic phenomena, reframing the universe as an extended information processing system. TPM's four stages, Perception, Information, Judgement and Decision Choice, are reformulated in explicit information‐theoretic and dynamical ...
Waymond Rodgers
wiley   +1 more source

Dark Matter in Modern Cosmology

, 2010
The presence of Dark Matter (DM) is required in the universe regulated by the standard general relativistic theory of gravitation. The nature of DM is however still elusive to any experimental search.
Colafrancesco, S.
core   +1 more source

A Low‐Power Radioisotope XRF Spectrometer for Detection of Light Elements on Planetary Missions

X-Ray Spectrometry, EarlyView.
ABSTRACT Current X‐ray spectrometers for in situ geochemical analysis on planetary missions typically rely either on X‐ray tubes, which demand electrical power and add mass and thermal complexity, or on alpha particle X‐ray spectrometers (APXS) that use rare 244Cm$$ {}^{244}\mathrm{Cm} $$ sources, and come with severe concerns on radiation safety and ...
Leandro Silveri, Artem Knyazev, Hashem Alaidaros, Maryam Manzoor Amanullah, Zach Ioannou, Tengiz Ibrayev, Danish Khan, Sara Leardini, Laura Manenti, Simi Maria Emilia Mangani, Safa Naseem, Sandhya Sharma, Sara Trevisan, Alia Zino, Francesco Arneodo   +14 more
wiley   +1 more source