Zobrazeno 1 - 10
of 17
pro vyhledávání: '"J. A. S. Barata"'
Autor:
Luis M. N. Tavora, Andreia Trindade, P.N.B. Neves, A N C Garcia, C.A.N. Conde, J. A. S. Barata
Publikováno v:
IEEE Transactions on Nuclear Science. 58:2060-2063
We measured the reduced mobilities of the atomic, Ne+, and dimer, Ne2+, ions in Ne, under different pressures and reduced electric fields, at 300 K. Extrapolation to zero field yields values of 4.4 cm2 V-1 s-1 for Ne+ and 6.2 cm2 V-1 s-1 for Ne2+, wh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c83453463d5d1200a150d485eddd7c7e
https://doi.org/10.1109/tns.2011.2158849
https://doi.org/10.1109/tns.2011.2158849
Autor:
J. A. S. Barata, C.A.N. Conde
Publikováno v:
2011 IEEE Nuclear Science Symposium Conference Record.
Monte Carlo simulations are preformed to calculate ion transport parameters. Results are presented for the calculated reduced mobilities, K 0 , and longitudinal, D L , and transverse, D T , diffusion coefficients, for Xe+ ions in gaseous Xe-Ne mixtur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35fb999984f16043fdee8aed4fe92ee7
https://doi.org/10.1109/nssmic.2011.6154685
https://doi.org/10.1109/nssmic.2011.6154685
Autor:
Liléia Diotaiuti, N. Jaramillo, J. M. S. Barata, A.L. Carbajal de la Fuente, François Noireau
Publikováno v:
Medical and veterinary entomology. 25(2)
Triatoma arthurneivai Lent & Martins and Triatoma wygodzinskyi Lent (Hemiptera: Reduviidae) are two Brazilian species found in the sylvatic environment. Several authors may have misidentified T. arthurneivai and consequently published erroneous infor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::493ec9fadd7c4082610e692c87cbfb22
https://pubmed.ncbi.nlm.nih.gov/21039685
https://pubmed.ncbi.nlm.nih.gov/21039685
Autor:
Luis M. N. Tavora, T. D. P. Oliveira, A.M.F. Trindade, A N C Garcia, J. A. S. Barata, C.A.N. Conde, P.N.B. Neves, T.H.V.T. Dias, F.I.G.M. Borges
Publikováno v:
IEEE Nuclear Science Symposuim & Medical Imaging Conference.
We measured the reduced mobilities of the atomic, Ne+, and dimer, Ne 2 +, ions in Ne, under different pressures and reduced electric fields, at 300 K. The value obtained for the atomic ion, 4.1 cm2V−1 s−1, is in good agreement with other values p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8662e32ce2f539eaf36417bc9dadfc6c
https://doi.org/10.1109/nssmic.2010.5874018
https://doi.org/10.1109/nssmic.2010.5874018
Autor:
J. A. S. Barata, C.A.N. Conde
Publikováno v:
IEEE Nuclear Science Symposuim & Medical Imaging Conference.
The drift velocities and the longitudinal and transverse diffusion coefficients for Ar+ ions in gaseous Ar/Ne mixtures, at atmospheric pressures, for Ar concentrations between 1 and 20%, and reduced electric field strengths, E/N, from 1 to 100 Td, co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::784b7c862afbc1e86225a622ca778e0b
https://doi.org/10.1109/nssmic.2010.5874019
https://doi.org/10.1109/nssmic.2010.5874019
Autor:
Luis M. N. Tavora, C.A.N. Conde, P.N.B. Neves, J. A. S. Barata, F.I.G.M. Borges, T.H.V.T. Dias
Publikováno v:
IEEE Nuclear Science Symposuim & Medical Imaging Conference.
The photopeak shift in High Pressure Xe (HPXe) gamma ray detectors due to the energy acquired/lost by the photoelectric and Compton electrons, from the electric field applied in the drift region, is calculated using the PENELOPE code for gamma rays f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc970fa6ff40d8ebef0f205dac7aebf7
https://doi.org/10.1109/nssmic.2010.5874017
https://doi.org/10.1109/nssmic.2010.5874017
Publikováno v:
2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC).
We measured the reduced mobilities (k 0 in cm2V−1s−1) of the ions that are formed in P-10 mixtures under different pressures and various reduced electric fields. Two types of ions were identified. We then used the extrapolated values of k 0 when
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a314d5cd3fe6b50e4e44a10c225a48d6
https://doi.org/10.1109/nssmic.2009.5402121
https://doi.org/10.1109/nssmic.2009.5402121
Autor:
C.A.N. Conde, J. A. S. Barata
Publikováno v:
2008 IEEE Nuclear Science Symposium Conference Record.
Integral and differential elastic collision cross-sections for Ne+ ions with neutral Ne atoms are calculated, for center of mass collision energies from 1 meV to 10 eV, using modified Tang and Toennies ion-atom interaction potentials models, TTIA and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25716e5aa8269ea261643e2238be78a1
https://doi.org/10.1109/nssmic.2008.4774551
https://doi.org/10.1109/nssmic.2008.4774551
Autor:
P M C C Encarnação, A F V Cortez, M G A Pinto, P N B Neves, A M F Trindade, J Escada, F P Santos, F I G M Borges, J A S Barata, C A N Conde
Publikováno v:
Journal of Instrumentation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a984ade7bc2cfc0f86b24eba959c9bd8
Monte Carlo Calculation of Drift Velocities and Diffusion Coefficients for Ar+ Ions in Gaseous Argon
Autor:
C.A.N. Conde, J. A. S. Barata
Publikováno v:
2006 IEEE Nuclear Science Symposium Conference Record.
Drift velocities and longitudinal and transverse diffusion coefficients for Ar+ ions in gaseous Ar, at atmospheric pressures p = 160 Torr, T = 293 K and reduced electric fields, E/N, in the 1 to 500 Td range, are calculated using a three-dimensional
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a7532d2352560997eb1a62c90dfe107
https://doi.org/10.1109/nssmic.2006.356027
https://doi.org/10.1109/nssmic.2006.356027