Results 91 to 100 of about 40,854 (217)

Beam profile indicator for swift heavy ions using phosphor afterglow

AIP Advances, 2012
In this letter, we report a beam profile indicator for swift heavy ions (SHIs) which utilizes the afterglow of phosphors. Clear marks are left on SrAl2O4:Eu2+ and CaSrAl2Si2O8:Eu2+ samples by SHI irradiation through a permanent change of their afterglow ...
T. Z. Zhan, C. N. Xu, H. Yamada, Y. Terasawa, L. Zhang, H. Iwase, M. Kawai   +6 more
doaj   +1 more source

Delayed Afterglow Onset Interpreted as Baryon-Poor Viewing Angle

, 2005
We have suggested previously that baryons in GRB fireballs infiltrate from the surrounding walls that collimate the fireball. The efficiency $\epsilon_b$ for generating blast energy can then be angle dependent.
Eichler, David
core   +2 more sources

The afterglow of gamma ray bursts II: the cases of GRB 970228 and GRB 970508 [PDF]

, 1997
Highly radiative expansion of a relativistic shell is shown to explain all observed features of the afterglows of the two bursts GRB 970228 and GRB 970508.
Mario Vietri, Meszaros P.
core   +3 more sources

Rapid Identification of New Psychoactive Substances in Letters by LA‐APCI‐MS

Drug Testing and Analysis, EarlyView.
Laser ablation coupled to molecular mass spectrometry utilizing a modified atmospheric pressure chemical ionization source was used for the detection of synthetic cannabinoid receptor agonists in infused prison mail samples. ABSTRACT New psychoactive substances (NPS), especially synthetic cannabinoid receptor agonists (SCRA), are increasingly smuggled ...
Mark Wesner, Hannah Rämisch, Laura Besch, Johannes Schmeinck, Uwe Karst   +4 more
wiley   +1 more source

Evolution of the polarization of the optical afterglow of the gamma-ray burst GRB 030329

, 2003
We report 31 polarimetric observations of the afterglow of GRB 030329 with high signal-to-noise and high sampling frequency. We establish the polarization light curve, detect sustained polarization at the percent level, and find significant variability ...
Barnbantner, O., Grav, T., Greiner, J., Hartmann, D. H., Henden, A., Hjorth, J., Jehin, E., Kaas, A. A., Kaufer, A., Klose, S., Kouveliotou, C., Palazzi, E., Park, H. -S., Pedersen, H., Rau, A., Reimer, O., Reinsch, K., Ries, C., Sari, R., Schmid, H. M., Stecklum, B., Straubmeier, C., Tovmassian, G., Wijers, R. A. M. J., Williams, G., Zharikov, S.   +25 more
core   +1 more source

Effect of Ammonium Polyphosphate/Silicate Content on the Postfire Mechanics of Epoxy Glass‐Fiber Composites Using Facile Chocolate Bar‐Inspired Structures

Fire and Materials, Volume 49, Issue 3, Page 329-346, April 2025.
ABSTRACT This study investigates the postfire mechanical properties of epoxy glass‐fiber reinforced composites (EP GFRCs) using increasing concentrations of ammonium polyphosphate (APP) and inorganic silicate (InSi) to modify the char and fire residue.
Sruthi Sunder, Maria Jauregui Rozo, Sneha Inasu, Dietmar Meinel, Bernhard Schartel, Holger Ruckdäschel   +5 more
wiley   +1 more source

Photoluminescence and afterglow of Tb3+ doped BaAl2O4

Results in Physics
Tb3+ doped BaAl2O4 phosphors (0–9.0 mol%) were prepared through sol–gel combustion method. The crystal structure, morphology, chemical composition, photoluminescence (PL), afterglow and thermoluminescence (TL) glow curve of Tb3+ doped BaAl2O4 were ...
Yungao Cai, Xiaomin Wang, Yuan Ming Huang   +2 more
doaj   +1 more source

A Two-Component Explosion Model for the Giant Flare and Radio Afterglow from SGR1806-20

, 2005
The brightest giant flare from the soft $\gamma$-ray repeater (SGR) 1806-20 was detected on 2004 December 27. The isotropic-equivalent energy release of this burst is at least one order of magnitude more energetic than those of the two other SGR giant ...
Amato E., B. Zhang, Huang Y. F., Thompson C., X. F. Wu, X. Y. Wang, Y. F. Huang, Yamazaki R., Z. G. Dai   +8 more
core   +1 more source

Aqueous grinding synthesis of high‐performance alkali/alkaline earth metal‐tuned copper(I) iodide cluster scintillators for underwater x‐ray imaging

InfoMat, EarlyView.
Highly efficient Cu(I)‐iodine cluster halides were synthesized via an aqueous grinding method, which is characterized by simplicity and environmental friendliness. One of the prepared NaCuI scintillator screens was integrated with a thin‐film transistor backplane array. The developed x‐ray flat‐panel detector exhibited outstanding operational stability
Haixing Meng, Ying Li, Yancheng Chen, Jingli Ma, Minqi Zhu, Zhifeng Shi, Fangze Liu, Guozhen Shen   +7 more
wiley   +1 more source

Ion Chemistry in Dielectric Barrier Discharge Ionization: Recent Advances in Direct Gas Phase Analyses

Mass Spectrometry Reviews, EarlyView.
ABSTRACT Dielectric barrier discharge ionization (DBDI) sources, employing low‐temperature plasma, have emerged as sensitive and efficient ionization tools with various atmospheric pressure ionization processes. In this review, we summarize a historical overview of the development of DBDI, highlighting key principles of gas‐phase ion chemistry and the ...
Kseniya Dryahina, Miroslav Polášek, Juraj Jašík, Kristýna Sovová, Patrik Španěl   +4 more
wiley   +1 more source