Results 111 to 120 of about 596,755 (352)

The gamma-ray observatory [PDF]

, 1991
An overview is given of the Gamma Ray Observatory (GRO) mission. Detection of gamma rays and gamma ray sources, operations using the Space Shuttle, and instruments aboard the GRO, including the Burst and Transient Source Experiment (BATSE), the Oriented ...

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The SNR Puppis A Revisited with Seven Years of Fermi Large Area Telescope Observations

, 2017
Puppis A is a very famous and extensively studied supernova remnant (SNR) that shows strong evidence of shock-cloud interaction. We re-analyze the GeV $\gamma$-ray emission of it using seven years Pass 8 data recorded by the Fermi Large Area Telescope ...
Guo, Xiao-Lei, Liao, Neng-Hui, Liu, Si-Ming, Wei, Da-Ming, Xin, Yu-Liang, Yuan, Qiang   +5 more
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Improved Strength and Corrosion Resistance of Ti–50Zr Alloy Through Heat Treatment

Advanced Engineering Materials, EarlyView.
This work systematically analyzes the effects of heat treatment on mechanical properties and corrosion behavior of Ti‐50Zr alloy produced via vacuum arc melting. Microstructure transforms from coarse lamellar α phase in as‐cast condition to fine and uniformly distributes acicular α′ phase in heat‐treatment state.
Yuhua Li, Qian Zhang, Rong Zhao, Haojie Wang, Yujing Liu, Zibo Zhao, Chengliang Yang, Lai‐Chang Zhang   +7 more
wiley   +1 more source

The Gamma-Ray Origin of RX J0852.0-4622 Quantifying the Hadronic and Leptonic Components: Further Evidence for the Cosmic-Ray Acceleration in Young Shell-type SNRs

The Astrophysical Journal
Fukui et al. quantified the hadronic and leptonic gamma-rays in the young TeV gamma-ray shell-type supernova remnant (SNR) RX J1713.7-3946 (RX J1713), and demonstrated that gamma rays are a combination of hadronic and leptonic gamma-ray components with a
Yasuo Fukui, Maki Aruga, Hidetoshi Sano, Takahiro Hayakawa, Tsuyoshi Inoue, Gavin Rowell, Sabrina Einecke, Kengo Tachihara   +7 more
doaj   +1 more source

Nano‐Patterned CuO Nanowire Nanogap Hydrogen Gas Sensor with Voids

Advanced Functional Materials, Volume 35, Issue 12, March 18, 2025.
Sub‐5‐ppb hydrogen (H2) detection and sub‐10‐s response and recovery times are achieved based on nano‐patterned polycrystalline CuO nanowires nanogap gas sensors with voids using electron‐beam lithography and unique annealing processes. Pre‐H2 annealing, void‐generating oxidation, and downscaled nanogap electrodes are key to improving the sensing ...
Muqing Zhao, Ryosuke Nitta, Seiichiro Izawa, Jun‐ichi Yamaura, Yutaka Majima   +4 more
wiley   +1 more source

In‐Situ Growth of 2D MOFs as a Molecular Sieving Layer on SnS2 Nanoflakes for Realizing Ultraselective H2S Detection

Advanced Functional Materials, Volume 35, Issue 12, March 18, 2025.
The ultraselective H2S detection of the ZIF‐L/SnS2 heterostructure is demonstrated. The introduction of 2‐dimensional (2D) breathable ZIF‐L results in a substantial increase in H2S selectivity attributable to the molecular sieving effect, which impedes the permeation of gases with large kinetic diameters and high polarity.
Soo Min Lee, Yeong Jae Kim, Seon Ju Park, Woo Seok Cheon, Jaehyun Kim, Gi Baek Nam, Youngeun Kim, Ho Won Jang   +7 more
wiley   +1 more source

Gamma-ray Bursts [PDF]

International Astronomical Union Colloquium, 2005
SummarySince their discovery in 1967 Gamma-ray bursts (GRBs) have been puzzling to astrophysicists. With the advent of a new generation of X–ray satellites in the late 90’s, it was possible to carry out deep multi-wavelength observations of the counterparts associated with the long duration GRBs class just within a few hours of occurrence, thanks to ...
openaire   +2 more sources

Dark Matter Search Perspectives with GAMMA-400

, 2013
GAMMA-400 is a future high-energy gamma-ray telescope, designed to measure the fluxes of gamma-rays and cosmic-ray electrons + positrons, which can be produced by annihilation or decay of dark matter particles, and to survey the celestial sphere in order
Adriani, O., Aptekar, R. L., Arkhangelskaja, I. V., Arkhangelskiy, A. I., Avanesov, G. A., Bergstrom, L., Boezio, M., Bonvicini, V., Boyarchuk, K. A., Dogiel, V. A., Fradkin, M. I., Fuglesang, Ch., Galper, A. M., Gusakov, Yu. V., Hnatyk, B. I., Kachanov, V. A., Kaplin, V. A., Kheymits, M. D., Korepanov, V., Larsson, J., Leonov, A. A., Longo, F., Maestro, P., Marrocchesi, P., Mazets, E. P., Mikhailov, V. V., Mocchiutti, E., Moiseev, A. A., Mori, N., Moskalenko, I., Naumov, P. Yu., Papini, P., Pearce, M., Picozza, P., Runtso, M. F., Ryde, F., Sparvoli, R., Spillantini, P., Suchkov, S. I., Tavani, M., Topchiev, N. P., Vacchi, A., Vannuccini, E., Yurkin, Yu. T., Zampa, N., Zarikashvili, V. N., Zverev, V. G.   +46 more
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A separation of electrons and protons in the GAMMA-400 gamma-ray telescope

, 2015
The GAMMA-400 gamma-ray telescope is intended to measure the fluxes of gamma rays and cosmic-ray electrons and positrons in the energy range from 100 MeV to several TeV. Such measurements concern with the following scientific goals: search for signatures
Adriani, O., Aptekar, R. L., Arkhangelskaja, I. V., Arkhangelskiy, A. I., Bergstrom, L., Berti, E., Bigongiari, G., Bobkov, S. G., Boezio, M., Bogomolov, E. A., Bonechi, S., Bongi, M., Bonvicini, V., Bottai, S., Castellini, G., Cattaneo, P. W., Cumani, P., De Donato, C., Dedenko, G. L., Dogiel, V. A., Galper, A. M., Gorbunov, M. S., Gusakov, Yu. V., Hnatyk, B. I., Kadilin, V. V., Kaplin, V. A., Kaplun, A. A., Kheymits, M. D., Korepanov, V. E., Larsson, J., Leonov, A. A., Loginov, V. A., Longo, F., Maestro, P., Marrocchesi, P. S., Mikhailov, V. V., Mocchiutti, E., Moiseev, A. A., Mori, N., Moskalenko, I. V., Naumov, P. Yu., Papini, P., Pearce, M., Picozza, P., Popov, A. V., Rappoldi, A., Ricciarini, S., Runtso, M. F., Ryde, F., Serdin, O. V., Sparvoli, R., Spillantini, P., Suchkov, S. I., Taraskin, A. A., Tavani, M., Tiberio, A., Topchiev, N. P., Tyurin, E. M., Ulanov, M. V., Vacchi, A., Vannuccini, E., Vasilyev, G. I., Yurkin, Yu. T., Zampa, N., Zirakashvili, V. N., Zverev, V. G.   +65 more
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Thermally Induced Gelling Systems Based on Patchy Polymeric Micelles

Advanced Functional Materials, Volume 35, Issue 12, March 18, 2025.
A novel strategy to design thermally induced gelling systems with tunable material properties is reported. Polymeric mixed‐shell micelles displaying multiple thermosensitive patchy domains formed hydrogels by assembling into well‐entangled worm‐like network structures upon heating to body temperature. The patchy micelle design significantly affects the
Binru Han, Shota Fujii, André J. van der Vlies, Masoud Ghasemi, Joshua T. Del Mundo, Sarah N. Kiemle, Esther W. Gomez, Enrique D. Gomez, Ralph H. Colby, Urara Hasegawa   +9 more
wiley   +1 more source