scholarly journals Multiple valence electron detachment following Auger decay of inner-shell vacancies in gas-phase DNA

2021 ◽  
Vol 12 (39) ◽  
pp. 13177-13186
Author(s):  
Wen Li ◽  
Oksana Kavatsyuk ◽  
Wessel Douma ◽  
Xin Wang ◽  
Ronnie Hoekstra ◽  
...  
Keyword(s):  
Gas Phase ◽  
Valence Electron ◽  
Low Energy ◽  
Electron Detachment ◽  
Auger Decay ◽  
Carbon Ion ◽  
X Ray ◽  
Low Energy Electrons ◽  
Shell Vacancy

A K-shell vacancy in DNA that is induced by a (therapeutically relevant) soft X-ray of MeV carbon ion, decays by Auger processes accompanied by emission of at least 3 low energy electrons.

Extended X-ray absorption fine-structure analysis of vacuum-deposited amorphous germanium

1989 ◽  
Vol 67 (4) ◽  
pp. 358-364 ◽  
Author(s):  
G. W. Johnson ◽  
D. E. Brodie ◽  
E. D. Crozier
Keyword(s):  
Fine Structure ◽  
Amorphous Materials ◽  
Amorphous Material ◽  
Amorphous Structure ◽  
Low Energy ◽  
X Ray Diffraction ◽  
Two Phase ◽  
Edge Structure ◽  
X Ray ◽  
Low Energy Electrons

In this study, thin films of germanium have been vacuum deposited in four regimes. Care was taken to prepare reproducible films, which required that the partial pressure of water be below 10−8 Torr during deposition (1 Torr = 133.3 Pa). First, films deposited onto substrates held during deposition at a temperature Ts that is below 473 K are amorphous. Once annealed above 423 K, their electrical conductivity and optical band gap are independent of deposition temperature and rate, and of whether or not low-energy electron irradiation of the substrate is used during deposition. This suggests that a well-defined and reproducible structure is being prepared. Second, a "precrystallization regime" is obtained when Ts is between 473 and 513 K. Extended X-ray adsorption fine-structure and X-ray diffraction confirm that this regime is a two-phase mixture of amorphous material and crystallites. Third, films deposited with Ts near 513 K, while using low-energy electrons to bombard the substrate, are amorphous, but these films have different electrical and optical properties from the films m the first regime. From this, we infer that a second well-defined amorphous structure exists. Fourth, films deposited with Ts above 513 K are polycrystalline. Extended X-ray adsorption fine-structure and X-ray adsorption near-edge structure could not distinguish between the two amorphous materials in the first and third regimes.

scholarly journals Symmetric and triangle-shaped variability of blazars

2014 ◽  
Vol 10 (S313) ◽  
pp. 97-98
Author(s):  
Kenji Yoshida
Keyword(s):  
Gamma Ray ◽  
High Energy ◽  
Low Energy ◽  
Light Curves ◽  
X Ray ◽  
High Energy Electrons ◽  
Flux Variability ◽  
Low Energy Electrons ◽  
Flux Increase ◽  
Rise Phase

AbstractSymmetric and triangle-shaped flux variability in X-ray and gamma-ray light curves is observed from many blazars. We derived the X-ray spectrum changing in time by using a kinetic equation of high energy electrons. Giving linearly changing the injection of low energy electrons into accelerating and emitting region, we obtained the preliminary results that represent the characteristic X-ray variability of the linear flux increase with hardening in the rise phase and the linear decrease with softening in the decay phase.

Interaction of low-energy electrons with linear diphenylethynyl derivatives in the gas phase

2007 ◽  
Vol 127 (8) ◽  
pp. 084316 ◽  
Author(s):  
A. V. Kukhta ◽  
I. N. Kukhta ◽  
S. M. Kazakov ◽  
O. V. Khristophorov ◽  
O. L. Neyra
Keyword(s):  
Gas Phase ◽  
Low Energy ◽  
Low Energy Electrons

INTERACTIONS OF LOW-ENERGY ELECTRONS WITH Ir(ppy)3 IN THE GAS PHASE

2007 ◽  
Vol 21 (0) ◽  
pp. 263-267
Author(s):  
A. V. Kukhta ◽  
I. N. Kukhta ◽  
S. M. Kazakov ◽  
V. A. Andreev
Keyword(s):  
Gas Phase ◽  
Low Energy ◽  
Low Energy Electrons

Low-energy electrons and X-ray irradiation effects on plasma-polymerized allylamine bioactive coatings for stents

2010 ◽  
Vol 95 (2) ◽  
pp. 153-163 ◽  
Author(s):  
Sylvain Massey ◽  
Enrico Gallino ◽  
Pierre Cloutier ◽  
Michaël Tatoulian ◽  
Léon Sanche ◽  
...  
Keyword(s):  
Low Energy ◽  
Irradiation Effects ◽  
Bioactive Coatings ◽  
X Ray ◽  
Low Energy Electrons
Sign in / Sign up

Export Citation Format

Share Document