Zobrazeno 1 - 10
of 172
pro vyhledávání: '"C.A. Quarles"'
Publikováno v:
Acta Physica Polonica A. 137:201-204
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ca4555ec7f9d7c03d951850eeca2dc6
https://doi.org/10.12693/aphyspola.137.201
https://doi.org/10.12693/aphyspola.137.201
Publikováno v:
Atoms, Vol 8, Iss 72, p 72 (2020)
Atoms
Volume 8
Issue 4
Atoms
Volume 8
Issue 4
New results are reported on the measurements of absolute double differential cross sections (DDCSs) of bremsstrahlung produced from 4.0 keV electrons incident on free Ar atoms in the angular detection range of 45°
&ndash
120°
A s
&ndash
120°
A s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6272af1b75aa1eda4e6c03275989b06
https://www.mdpi.com/2218-2004/8/4/72
https://www.mdpi.com/2218-2004/8/4/72
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 414:161-165
Positron Annihilation Lifetime and Doppler Broadening spectroscopies are used to investigate twenty-three different rock-forming minerals that are commonly found in shale. Doppler Broadening provides information about the positron and positronium (Ps
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ceebf2fb578f24b9822faac54ba15fbc
https://doi.org/10.1016/j.nimb.2017.06.027
https://doi.org/10.1016/j.nimb.2017.06.027
Publikováno v:
Physics Procedia. 90:55-61
Recent investigation of positron lifetime in Barnett Shale samples has shown a small intensity of positronium (Ps) formation. The samples studied have XRF information on 35 elements and chemical information on total organic carbon (TOC). Previous res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45a40f595f71f3c8108d9b57970689cf
https://doi.org/10.1016/j.phpro.2017.09.019
https://doi.org/10.1016/j.phpro.2017.09.019
Autor:
Roger C. Walker, Luiz G. Jacobsohn, Timothy A. DeVol, Matthew G. Chapman, Cameron L. McPherson, C.A. Quarles, Courtney Kucera, John Ballato, Jaclyn M. Schmitt, Fnu Ameena
Publikováno v:
Journal of the American Ceramic Society. 99:1449-1454
The effects of different processing steps and processing conditions for the fabrication of Y2O3 and Lu2O3 ceramics were investigated, particularly the effects of calcination, and sintering temperature on the content of open-volume and electronic defe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62e3f86c3cce52c4a5ee2e5261bb84bf
https://doi.org/10.1111/jace.14119
https://doi.org/10.1111/jace.14119
Publikováno v:
Journal of Materials Science. 50:3183-3188
0.25 at.% Er-doped Sc2O3 transparent ceramics fabricated using the two-step sintering method with different combinations of sintering temperatures were investigated by positron annihilation spectroscopy. Analysis of the broadening of the annihilation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db3e01baf6ed1619f18c051e7cccb2d8
https://doi.org/10.1007/s10853-015-8881-8
https://doi.org/10.1007/s10853-015-8881-8
Publikováno v:
Radiation Physics and Chemistry. 97:25-30
An apparatus is developed to measure the energy- and angular distributions of bremsstrahlung generated from collisions of energetic electrons with isolated atoms and molecules. A considerable reduction of thick target bremsstrahlung (TTB) background
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8680977c9782f3d68f2ea90c2b5840a3
https://doi.org/10.1016/j.radphyschem.2013.10.013
https://doi.org/10.1016/j.radphyschem.2013.10.013
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 261:875-878
We have used positron annihilation Doppler broadening spectroscopy and positron annihilation lifetime spectroscopy to investigate properties of several polymers, vulcanized rubbers and organic liquids. The Doppler broadening is characterized by the S
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f28f751a47e6f1e8b6cf81b06a78a5b
https://doi.org/10.1016/j.nimb.2007.03.048
https://doi.org/10.1016/j.nimb.2007.03.048
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 261:184-188
We are investigating the extent/existence of PB contributions to the X-ray spectra at 90° to the electron beam for experiments involving 50 keV electrons on Au targets. Our experimental results, for a range of target thicknesses from 63 μg/cm 2 to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e5bc67c4bb0eeb678d3dc78641e80c3
https://doi.org/10.1016/j.nimb.2007.03.052
https://doi.org/10.1016/j.nimb.2007.03.052
Publikováno v:
Radiation Physics and Chemistry. 75:1688-1692
Recent absolute bremsstrahlung cross section experiments on gas targets of Ne, Ar, Kr and Xe at 28 and 50 keV have shown a significant polarization bremsstrahlung (PB) contribution, in contrast with previous thin-film experiments where no PB has been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fa53db6a4abf485f01a8f89d5be5e4a
https://doi.org/10.1016/j.radphyschem.2005.07.027
https://doi.org/10.1016/j.radphyschem.2005.07.027