Results 51 to 60 of about 41,592 (205)

Modulating Emission of Boric Acid into Highly Efficient and Color‐Tunable Afterglow via Dehydration‐Induced Through‐Space Conjugation

Advanced Science, 2023
Inorganic boric acid (BA) is generally not considered an efficient afterglow material, and several groups have reported its extremely weak room‐temperature phosphorescence (RTP) in the blue spectral region.
Zhen Zhang, Zhenguang Wang, Xiao Liu, Yu‐e Shi, Zhiqiang Li, Yanli Zhao   +5 more
doaj   +1 more source

Identifying the Location in the Host Galaxy of the Short GRB 111117A with the Chandra Sub-arcsecond Position

, 2013
We present our successful Chandra program designed to identify, with sub-arcsecond accuracy, the X-ray afterglow of the short GRB 111117A, which was discovered by Swift and Fermi.
A. de Ugarte Postigo, A. Melandri, A. S. Fruchter, Alard, Andersen, Barthelmy, Belczynski, Benítez, Berger, Berger, Berger, Bloom, Bloom, Bloom, Bromberg, Burrows, C. C. Thöne, Cucchiara, D. Malesani, D. Xu, de Ugarte Postigo, E. Troja, Feng, Foley, Fong, Fong, Fong, Fryer, G. Leloudas, Gehrels, Granot, Grindlay, H. Korhonen, J. Bai, J. Gorosabel, J. L. Racusin, J. Mao, J. P. Norris, J. P. U. Fynbo, Jakobsson, K. Aoki, K. Huang, K. Vida, Kann, Kumar, Leibler, Levan, Lü, M. I. Andersen, M. Im, M. Jang, M. S. Briggs, Mangano, Margutti, Meegan, Melandri, Melandri, N. Gehrels, N. Kawai, Nissanke, Norris, Norris, Nysewander, Oates, Ohno, P. D'Avanzo, Paczynski, Predehl, Prochaska, R. D. Preece, R. Sánchez-Ramírez, Rezzolla, Ricker, Roming, Rosswog, S. D. Barthelmy, S. Foley, S. Guiriec, Sakamoto, Sakamoto, Sakamoto, Sakamoto, Schlegel, Schmidl, T. Sakamoto, Troja, X. Zhao, Y. Jeon, Y. Urata, Zhao   +89 more
core   +1 more source

Discovery of Radio Afterglow from the Most Distant Cosmic Explosion [PDF]

, 2009
We report the discovery of radio afterglow emission from the gamma-ray burst GRB 090423, which exploded at a redshift of 8.3, making it the object with the highest known redshift in the Universe.
Bromm, Bromm, Castro-Tirado, Cenko, Cenko, Chandra, Chandra, Chary, Chevalier, Ciardi, Frail, Frail, Freedman, Fryer, Gou, Gou, Greiner, Haiman, Heger, Krimm, Kulkarni, Lamb, MacFadyen, Meszaros, Panaitescu, Perley, Riechers, Sari, Sari, Tanvir, Totani, van der Horst, von Kienlin, Yost   +33 more
core   +3 more sources

White Light Generation From YAG:Ce‐Doped Phosphate Glass‐Based Composite Fibers

Advanced Optical Materials, EarlyView.
The first white‐light‐emitting composite fiber based on YAG:Ce3+ phosphors in phosphate glass is developed. The glass composition is custom‐engineered to enhance thermal stability and to match YAG:Ce3+ refractive index, ensuring composite transparency.
Khaldoon Nasser, Hùng Nguyên Trân, Arjun Vakkada Ramachandran, Mikko Närhi, Turkka Salminen, Catherine Boussard‐Plédel, Johann Troles, Tian‐Long Guo, Matthieu Roussey, Laeticia Petit   +9 more
wiley   +1 more source

Parameter Inference of a State-of-the-Art Physical Afterglow Model for GRB 190114C

Galaxies
A state-of-the-art semi-analytic gamma-ray burst (GRB) afterglow model with synchrotron self-Compton (SSC) emission has been applied for the first time for parameter inference using real GRB data. We analyzed the famous GRB 190114C as a case study.
Enrico Rinaldi, Nissim Fraija, Maria Giovanna Dainotti   +2 more
doaj   +1 more source

Compositional regulation of multi-component GYGAG:Ce scintillation ceramics: Self-sintering-aid effect and afterglow suppression

Journal of Advanced Ceramics, 2023
(Gd,Y,Ce)3(YxGa1−x)2GaAl2O12 (GYGAG:Ce) scintillation ceramics with different Y excess, where x = 0.005−0.08, were fabricated by the solid-state reaction method.
Danyang Zhu, Lexiang Wu, Alena Beitlerova, Romana Kucerkova, Weerapong Chewpraditkul, Martin Nikl, Jiang Li   +6 more
doaj   +1 more source

Predictions for The Very Early Afterglow and The Optical Flash

, 1999
According to the internal-external shocks model for $\gamma $-ray bursts (GRBs), the GRB is produced by internal shocks within a relativistic flow while the afterglow is produced by external shocks with the ISM.
Fenimore E. E., Meszaros P., Re'em Sari, Rees M. J., Tsvi Piran, Woods E.   +5 more
core   +1 more source

Specifying the Environments around GRB, Explaining the Fe line in the X-Ray Afterglow of GRB000214 [PDF]

, 2001
We present a model explaining the Fe K alpha line and the continuum in the afterglow of GRB000214. We pose the importance to seek the physically natural environment around GRB000214.
Kotake, K., Nagataki, S.
core   +2 more sources

Structure‐Function Integration in 2D Hybrid Perovskite for Fast Neutron and Gamma Ray Discrimination

Advanced Science, EarlyView.
Using an in situ seed‐assisted cooling method, large (28 × 7 × 3 mm3) (GABA)2PbBr4 single crystals are grown, featuring hydrogen‐rich organic layers and a dense PbBr4 framework. This architecture enables efficient γ‐ray absorption, fast‐neutron sensitivity, and clear n/γ pulse‐shape discrimination (FOM up to 1.74), highlighting its potential as a ...
Yingming Wang, Lingyan Xu, Chongqi Liu, Lu Liang, Binghui Zhang, Zhentao Qin, Lixiang Lian, Wei Zheng, Yanyan Lei, Qinzeng Hu, Shuai Song, Chaopeng Mi, Tao Wang, Yadong Xu, Gangqiang Zha, Wanqi Jie   +15 more
wiley   +1 more source

Tuning Multicolor Emission of Manganese-Activated Gallogermanate Nanophosphors by Regulating Mn Ions Occupying Sites for Multiple Anti-Counterfeiting Application

Nanomaterials, 2022
The ability to manipulate the luminescent color, intensity and long lifetime of nanophosphors is important for anti-counterfeiting applications. Unfortunately, persistent luminescence materials with multimode luminescent features have rarely been ...
Dangli Gao, Peng Wang, Feng Gao, William Nguyen, Wei Chen   +4 more
doaj   +1 more source