Experimental cross sections and mass distribution of fission products of thorium-232 irradiated with protons in energy range 20–140 MeV

SummaryFormation cross sections of about forty fission products have been determined using recoil catcher technique followed by off line gamma-ray spectrometry in

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Experimental Cross Sections of Fission Fragments of Thorium-232 Irradiated with Medium-Energy Protons

Physics of Particles and Nuclei Letters ◽

10.1134/s1547477118030123 ◽

2018 ◽

Vol 15 (3) ◽

pp. 284-297 ◽

Cited By ~ 1

Author(s):

O. N. Libanova ◽

E. S. Golubeva ◽

S. V. Ermolaev ◽

V. L. Matushko ◽

A. S. Botvina

Keyword(s):

Cross Sections ◽

Medium Energy ◽

Fission Fragments ◽

Experimental Cross ◽

Thorium 232

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Analysis of STEM micrographs of thick objects

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100081395 ◽

1978 ◽

Vol 36 (2) ◽

pp. 106-107

Author(s):

S. Golladay

Keyword(s):

Inelastic Scattering ◽

Multiple Scattering ◽

Mass Distribution ◽

Cross Sections ◽

Phase Contrast ◽

Image Point ◽

Contrast Effects ◽

Total Cross Sections ◽

Elastic And Inelastic Scattering

The theory of multiple scattering has been worked out by Groves and comparisons have been made between predicted and observed signals for thick specimens observed in a STEM under conditions where phase contrast effects are unimportant. Independent measurements of the collection efficiencies of the two STEM detectors, calculations of the ratio σe/σi = R, where σe, σi are the total cross sections for elastic and inelastic scattering respectively, and a model of the unknown mass distribution are needed for these comparisons. In this paper an extension of this work will be described which allows the determination of the required efficiencies, R, and the unknown mass distribution from the data without additional measurements or models. Essential to the analysis is the fact that in a STEM two or more signal measurements can be made simultaneously at each image point.

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L X-RAY FLUORESCENCE CROSS-SECTIONS MEASUREMENTS FOR ELEMENTS 56≤Z≤66 IN THE ENERGY RANGE 11-41 keV

Le Journal de Physique Colloques ◽

10.1051/jphyscol:19879116 ◽

1987 ◽

Vol 48 (C9) ◽

pp. C8-669-C8-672 ◽

Cited By ~ 1

Author(s):

S. SINGH ◽

S. KUMAR ◽

D. MEHTA ◽

M. L. GARG ◽

N. SINGH ◽

...

Keyword(s):

Energy Range ◽

Cross Sections ◽

X Ray

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Charmed and bottomed hadronic cross sections from a statistical model

The European Physical Journal A ◽

10.1140/epja/s10050-020-00251-4 ◽

2020 ◽

Vol 56 (9) ◽

Author(s):

Gábor Balassa ◽

György Wolf

Keyword(s):

Statistical Model ◽

Energy Range ◽

Cross Sections ◽

Heavy Quarks ◽

Open Charm ◽

Low Energy ◽

Final State ◽

Proton Antiproton ◽

Proton Proton

Abstract In this work, we extended our statistical model with charmed and bottomed hadrons, and fit the quark creational probabilities for the heavy quarks, using low energy inclusive charmonium and bottomonium data. With the finalized fit for all the relevant types of quarks (up, down, strange, charm, bottom) at the energy range from a few GeV up to a few tens of GeV’s, the model is now considered complete. Some examples are also given for proton–proton, pion–proton, and proton–antiproton collisions with charmonium, bottomonium, and open charm hadrons in the final state.

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Elastic Electron Scattering from Methane Molecule in the Energy Range from 50–300 eV

International Journal of Molecular Sciences ◽

10.3390/ijms22020647 ◽

2021 ◽

Vol 22 (2) ◽

pp. 647

Author(s):

Jelena Vukalović ◽

Jelena B. Maljković ◽

Karoly Tökési ◽

Branko Predojević ◽

Bratislav P. Marinković

Keyword(s):

Energy Range ◽

Cross Section ◽

Cross Sections ◽

Accurate Determination ◽

Electron Gun ◽

Methane Molecule ◽

Edge Plasma ◽

Electron Interaction ◽

Outer Planet ◽

Elastic Electron

Electron interaction with methane molecule and accurate determination of its elastic cross-section is a demanding task for both experimental and theoretical standpoints and relevant for our better understanding of the processes in Earth’s and Solar outer planet atmospheres, the greenhouse effect or in plasma physics applications like vapor deposition, complex plasma-wall interactions and edge plasma regions of Tokamak. Methane can serve as a test molecule for advancing novel electron-molecule collision theories. We present a combined experimental and theoretical study of the elastic electron differential cross-section from methane molecule, as well as integral and momentum transfer cross-sections in the intermediate energy range (50–300 eV). The experimental setup, based on a crossed beam technique, comprising of an electron gun, a single capillary gas needle and detection system with a channeltron is used in the measurements. The absolute values for cross-sections are obtained by relative-flow method, using argon as a reference. Theoretical results are acquired using two approximations: simple sum of individual atomic cross-sections and the other with molecular effect taken into the account.

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