Results 71 to 80 of about 42,847 (320)

Hot and Diffuse Clouds near the Galactic Center Probed by Metastable H3+

, 2005
Using an absorption line from the metastable (J, K) = (3, 3) level of H3+ together with other lines of H3+ and CO observed along several sightlines, we have discovered a vast amount of high temperature (T ~ 250 K) and low density (n ~ 100 cm-3) gas with ...
Arimoto N., Benjamin J. McCall, Binney J., Brown R. L., Butchart I., Dahmen G., Geballe T. R., Goto M., Greaves J. S., Greaves J. S., Gusten R., Gusten R., Gusten R., Hartquist T. W., Hartquist T. W., Huttemeister S., Kaifu N., Koyama K., Liszt H. S., Mauersberger R., Miwa Goto, Oesterling L. C., Oka T., Oka T., Sofue Y., Takeshi Oka, Thomas R. Geballe, Tomonori Usuda, van Woerden H., Whiteoak J. B., Wilson T. L., Wright M. C. H.   +31 more
core   +2 more sources

Atomic and Molecular Data for Diffuse Cloud Chemistry [PDF]

Highlights of Astronomy, 1989
ABSTRACTA brief overview of the procedure for modeling diffuse interstellar clouds is given, and specific needs for atomic and molecular data are pointed out.
openaire   +1 more source

Complexation‐Mediated Diffusion‐Limited Crystal Growth: A General Framework for Anisotropic Crystal Growth in Cu‐Based Perovskites

Advanced Functional Materials, EarlyView.
A Complexation‐Mediated Diffusion‐Limited Growth (CMDLG) framework is established to rationalize the anisotropic growth of lead‐free perovskites. Integrating coordination chemistry with mass transport kinetics, this study theoretically derives and experimentally validates that stable iodocuprate complexes induce a diffusion‐limited regime.
Hyunmin Lee, Mu Geun Son, Thanh Van Vu, Hokyeong Jeong, Joonhee Kang, Youngjong Kang   +5 more
wiley   +1 more source

Galactic Cosmic Ray Interaction with the Perseus Giant Molecular Cloud Using Geant4 Monte Carlo Simulation

Universe
Galactic cosmic rays (GCRs), composed of protons and atomic nuclei, are accelerated in sources such as supernova remnants and pulsar wind nebulae, reaching energies up to the PeV range.
Luan Torres, Luiz Augusto Stuani Pereira
doaj   +1 more source

The Distribution of Metallicities in the Local Galactic Interstellar Medium

The Astrophysical Journal, 2023
In this investigation, we present an analysis of the metallicity distribution that pertains to neutral gas in the local Galactic interstellar medium (ISM).
Adam M. Ritchey, Edward B. Jenkins, J. Michael Shull, Blair D. Savage, S. R. Federman, David L. Lambert   +5 more
doaj   +1 more source

Cosmic rays and molecular clouds

, 2012
This paper deals with the cosmic-ray penetration into molecular clouds and with the related gamma--ray emission. High energy cosmic rays interact with the dense gas and produce neutral pions which in turn decay into two gamma rays.
A Atoyan, A Bamba, A Dar, A Giuliani, AA Abdo, AA Abdo, AA Abdo, AA Abdo, AA Abdo, AA Abdo, AA Abdo, AM Atoyan, AM Hillas, AR Bell, AR Bell, AR Bell, AW Strong, AW Strong, B Reville, C Ceccarelli, CD Dermer, CJ Cesarsky, D Caprioli, DC Ellison, DC Ellison, DF Cioffi, DG Wentzel, E Parizot, F Casse, F Combes, F Giordano, FA Aharonian, FA Aharonian, FA Aharonian, FA Aharonian, FA Aharonian, FA Aharonian, G Giacinti, G Morlino, G Sinnis, GF Krymskii, GR Blumenthal, H Li, H Yan, HJ Völk, J Aleksić, J Rho, J Vink, JA Hinton, JH Black, JR Jokipii, K Koyama, M Ackermann, M Ackermann, M Actis, M Mori, M Tsuboi, MA Malkov, ML Longair, MR Issa, P Blasi, R Cowsik, R Kulsrud, R Schlickeiser, RD Blandford, RJ Protheroe, RM Crutcher, S Casanova, S Casanova, S Gabici, S Gabici, S Gabici, S Gabici, SD Hunter, SP Reynolds, SR Kelner, T Inoue, T Kamae, T Montmerle, T Naito, T Tanaka, TK Gaisser, VN Zirakashvili, VS Berezinskii, VS Ptuskin, VS Ptuskin, VS Ptuskin, VS Ptuskin, W Baade, Y Fujita, Y Fukui, Y Ohira, Y Ohira, Y Uchiyama, Y Uchiyama, Y Uchiyama, Y Uchiyama   +96 more
core   +3 more sources

Engineering Strategies for Stable and Long‐Life Alkaline Zinc‐Based Flow Batteries

Advanced Functional Materials, EarlyView.
Alkaline zinc‐based flow batteries face persistent challenges from unstable zinc deposition, including dendrite growth, passivation, corrosion, and hydrogen evolution, which severely limit cycling stability. Current research addresses these issues through coordinated electrode structuring, electrolyte regulation, and membrane design to control zinc ...
Yuran Bai, Xiaoyu Huo, Xin Long, Enkang Fu, Xusong Gong, Lei Wei, Liang An   +6 more
wiley   +1 more source

On the formation of density filaments in the turbulent interstellar medium [PDF]

, 2019
This study is motivated by recent observations on ubiquitous interstellar density filaments and guided by modern theories of compressible magnetohydrodynamic (MHD) turbulence. The interstellar turbulence shapes the observed density structures.
Ji, Suoqing, Lazarian, A., Xu, Siyao
core   +2 more sources

Probing the turbulent ambipolar diffusion scale in molecular clouds with spectroscopy [PDF]

Monthly Notices of the Royal Astronomical Society, 2013
14 pages, accepted for publication in ...
Hezareh, Talayeh, Csengeri, Timea, Houde, Martin, Herpin, Fabrice, Bontemps, Sylvain   +4 more
openaire   +4 more sources

Elucidating the Role of Surface Ligands on the Oxidative Etching of Au Bipyramids During Photothermia Using Liquid Cell Transmission Electron Microscopy

Advanced Functional Materials, EarlyView.
Gold bipyramids can act as efficient plasmonic nanoheaters, but they often reshape during laser heating. This study shows that oxygen nanobubbles drive oxidative etching and that surface ligands control stability. CTAB‐ and citrate‐coated particles blunt and lose optical performance, whereas polystyrene sulfonate preserves shape and heating by ...
Irene López‐Sicilia, Valentina Girelli Consolaro, Sophie Marbach, Nancy Rahbany, Grégoire Petit, Ovidiu Ersen, Juan J. Giner‐Casares, Ali Abou‐Hassan   +7 more
wiley   +1 more source