Search Results - "Dias, T.H.V.T."

Xenon-neon gas proportional-scintillation counters for X-rays below 2 keV: experimental results by Borges, F.I.G.M., Santos, F.P., dos Santos, J.M.F., Dias, T.H.V.T., Rachinhas, P.J.B.M., Conde, C.A.N.

“…The energy spectra of X-rays with energies below 2 keV measured with standard Xe filled gas proportional-scintillation counters at atmospheric pressure exhibit…”
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A simulation study of the electroluminescence yield of xenon and xenon–neon mixtures contaminated by water vapor by dos Santos, F.P., Dias, T.H.V.T., Távora, L.M.N., Rachinhas, P.J.B.M., Conde, C.A.N., Stauffer, A.D.

“…Noble gases and their mixtures are widely used as detection media for X-rays, and in the liquid phase for γ-rays. In the gas phase, they are commonly used in…”
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Xenon-neon gas proportional-scintillation counters for X-rays below 2 keV: a Monte Carlo simulation study by Borges, F.I.G.A., Santos, F.P., Dias, T.H.V.T., Rachinhas, P.J.B.M., Conde, C.A.N., Stauffer, A.D.

“…The energy spectra of X-rays with energies below 2 keV measured at atmospheric pressure with standard Xe gas detectors, such as gas proportional-scintillation…”
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Near-intrinsic energy resolution for 30-662 keV gamma rays in a high pressure xenon electroluminescent TPC by Álvarez Puerta, Vicente, Cervera Villanueva, Anselmo, Borges, F. I.G, Cárcel García, Sara, Castel, J, Cebrián, S, Condel, C.A.N, Dafni, T, Dias, T.H.V.T, Díaz Medina, José, Egorov, M, Esteve, R, Evtoukhovitch, P, Fernandes, L.M. P, Ferrario, Paola, Ferreira, A.L, Freitas, E.D.C, Gehman, V.M, Gil, A, Goldschmidt, A, Gómez, H, Gómez Cadenas, Juan José, González-Díaz, D, Gutiérrez, R.M, Hauptman, J, Hernando Morata, J.A, Herrera, D.C, Iguaz, F.J, Irastorza, I.G, Jinete, M.A, Labarga, L, Liubarsky, Igor, Lopes, J.A.M, Lorca Galindo, David, Losada, M, Luzón, G, Marí, A, Martín-Albo Simón, Justo, Martínez Pérez, Alberto, Miller, T, Moiseenko, A, Monrabal Capilla, Francesc, Monteiro, C.M.B, Mora, F.J, Moutinho, L.M, Muñoz Vidal, J, Natal Da Luz, H, Navarro, G, Nebot Guinot, Miquel, Nygren, D, Oliveira, C.A.B, Palma, R, Pérez, J, Pérez Aparicio, J.L, Renner, J, Ripoll Masferrer, Lluís, Rodríguez, A, Rodríguez Samaniego, Javier, Santos, F. P, Dos Santos, J. M.F, Segui, L, Serra Díaz-Cano, Luis, Shuman, D, Simón Estévez, Ander, Sofka, C, Sorel, Michel, Toledo, J.F, Tomás, A, Torrent, J, Tsamalaidze, Z, Vázquez, D, Veloso, J.F.C.A, Villar, J.A, Webb, R.C, White, J.T, Yahlali Haddou, Nadia

“…We present the design, data and results from the NEXT prototype for Double Beta and Dark Matter (NEXT-DBDM) detector, a high-pressure gaseous natural xenon…”
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Simulation of X-ray tubes for imaging applications by Tavora, L.M.N., Morton, E.J., Santos, F.P., Dias, T.H.V.T.

“…This work describes the simulation of X-ray tubes used in imaging applications. The cross section for the electron impact ionisation of the K-shell for…”
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Ionization and scintillation of nuclear recoils in gaseous xenon by Renner, J., Gehman, V.M., Goldschmidt, A., Matis, H.S., Miller, T., Nakajima, Y., Nygren, D., Oliveira, C.A.B., Shuman, D., Álvarez, V., Borges, F.I.G., Cárcel, S., Castel, J., Cebrián, S., Cervera, A., Conde, C.A.N., Dafni, T., Dias, T.H.V.T., Díaz, J., Esteve, R., Evtoukhovitch, P., Fernandes, L.M.P., Ferrario, P., Ferreira, A.L., Freitas, E.D.C., Gil, A., Gómez, H., Gómez-Cadenas, J.J., González-Díaz, D., Gutiérrez, R.M., Hauptman, J., Hernando Morata, J.A., Herrera, D.C., Iguaz, F.J., Irastorza, I.G., Jinete, M.A., Labarga, L., Laing, A., Liubarsky, I., Lopes, J.A.M., Lorca, D., Losada, M., Luzón, G., Marí, A., Martín-Albo, J., Martínez, A., Moiseenko, A., Monrabal, F., Monserrate, M., Monteiro, C.M.B., Mora, F.J., Moutinho, L.M., Muñoz Vidal, J., Natal da Luz, H., Navarro, G., Nebot-Guinot, M., Palma, R., Pérez, J., Pérez Aparicio, J.L., Ripoll, L., Rodríguez, A., Rodríguez, J., Santos, F.P., dos Santos, J.M.F., Seguí, L., Serra, L., Simón, A., Sofka, C., Sorel, M., Toledo, J.F., Tomás, A., Torrent, J., Tsamalaidze, Z., Veloso, J.F.C.A., Villar, J.A., Webb, R.C., White, J., Yahlali, N.

“…Ionization and scintillation produced by nuclear recoils in gaseous xenon at approximately 14bar have been simultaneously observed in an electroluminescent…”
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Photoelectron transmission efficiency in Ar–CH 4 and Xe–CH 4 mixtures: Experimental results by Coelho, L.C.C., Lopes, J.A.M., Escada, J., Dias, T.H.V.T., dos Santos, J.M.F.

“…The transmission efficiency of photoelectrons emitted from CsI photocathodes operated in Ar–CH 4 and Xe–CH 4 mixtures is experimentally investigated and…”
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Measurement of the photoelectron-collection efficiency in noble gases and methane by Coelho, L.C.C., Ferreira, H.M.N.B.L., Lopes, J.A.M., Dias, T.H.V.T., Ferreira, L.F.R., dos Santos, J.M.F., Breskin, A., Chechik, R.

“…The photoelectron-collection efficiency from photocathodes in noble gases and methane is experimentally investigated. The ratio between the number of…”
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Near-intrinsic energy resolution for 30–662keV gamma rays in a high pressure xenon electroluminescent TPC by Álvarez, V., Borges, F.I.G.M., Cárcel, S., Castel, J., Cebrián, S., Cervera, A., Conde, C.A.N., Dafni, T., Dias, T.H.V.T., Díaz, J., Egorov, M., Esteve, R., Evtoukhovitch, P., Fernandes, L.M.P., Ferrario, P., Ferreira, A.L., Freitas, E.D.C., Gehman, V.M., Gil, A., Goldschmidt, A., Gómez, H., Gómez-Cadenas, J.J., González-Díaz, D., Gutiérrez, R.M., Hauptman, J., Hernando Morata, J.A., Herrera, D.C., Iguaz, F.J., Irastorza, I.G., Jinete, M.A., Labarga, L., Liubarsky, I., Lopes, J.A.M., Lorca, D., Losada, M., Luzón, G., Marí, A., Martín-Albo, J., Martínez, A., Miller, T., Moiseenko, A., Monrabal, F., Monteiro, C.M.B., Mora, F.J., Moutinho, L.M., Muñoz Vidal, J., Natal da Luz, H., Navarro, G., Nebot-Guinot, M., Nygren, D., Oliveira, C.A.B., Palma, R., Pérez, J., Pérez Aparicio, J.L., Renner, J., Ripoll, L., Rodríguez, A., Rodríguez, J., Santos, F.P., dos Santos, J.M.F., Segui, L., Serra, L., Shuman, D., Simón, A., Sofka, C., Sorel, M., Toledo, J.F., Tomás, A., Torrent, J., Tsamalaidze, Z., Vázquez, D., Veloso, J.F.C.A., Villar, J.A., Webb, R.C., White, J.T., Yahlali, N.

“…We present the design, data and results from the NEXT prototype for Double Beta and Dark Matter (NEXT-DBDM) detector, a high-pressure gaseous natural xenon…”
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Photoelectron transmission efficiency in Ar–CH4 and Xe–CH4 mixtures: Experimental results by Coelho, L.C.C., Lopes, J.A.M., Escada, J., Dias, T.H.V.T., dos Santos, J.M.F.

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A simulation study of the effect of drift electric fields on the response of radiation detectors using the PENELOPE code by Távora, L.M.N., Dias, T.H.V.T., Conde, C.A.N.

“…The effect of the presence of a drift electric field on the response of gaseous and semiconductor radiation detectors to energetic X-rays (energies E ph from…”
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An investigation of the M-discontinuities in the response of xenon gas detectors to X-rays in the 0.1–2keV range by Borges, F.I.G.M., Dias, T.H.V.T., Santos, F.P., Rachinhas, P.J.B.M., dos Santos, J.M.F., Conde, C.A.N.

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Experimental Study of Xe-Ne Proportional Counters for X-Ray Detection by Borges, F.I.G.M., Santos, F.P., Amaro, F., Dias, T.H.V.T., Conde, C.A.N.

“…The use of appropriate mixtures of noble gases in proportional counters can take advantage of the Penning effect, a process of energy transfer between the two…”
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Monte Carlo Simulation Study of the Characteristics of Xe-Ne Gas Mixtures as Detection Media in Gas Proportional Ionization Counters by Santos, F.P., Rachinhas, P.J.B.M., Dias, T.H.V.T., Borges, F.I.G.M., Stauffer, A.D., Conde, C.A.N.

“…A Monte Carlo simulation has been developed to investigate the performance of Xe-Ne filled proportional ionization counters, with a special interest on the…”
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Intrinsic limitations in the energy resolution of drift-field based radiation detectors: a Monte Carlo simulation study of Xe-filled counters by Távora, L.M.N., Conde, C.A.N., Santos, F.P., Dias, T.H.V.T., Rachinhas, P.J.B.M.

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An investigation of the M-discontinuities in the response of xenon gas detectors to X-rays in the 0.1–2 keV range by Borges, F.I.G.M., Dias, T.H.V.T., Santos, F.P., Rachinhas, P.J.B.M., dos Santos, J.M.F., Conde, C.A.N.

“…Deviations from linearity in the response of Xe gas detectors to the absorption of X-rays with energies near the Xe L and K absorption edges have been…”
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Operation of gas proportional scintillation counters in a low charge multiplication regime by Borges, F.I.G.M., dos Santos, J.M.F., Dias, T.H.V.T., Santos, F.P., Rachinhas, P.J.B.M., Conde, C.A.N.

“…The operation of a xenon filled gas proportional scintillation counter under low charge multiplication gains is discussed. It is shown that the best energy…”
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A study of the electroluminescence yield and fluctuations in Xe doped with CH4 or CF4: The role of electron cooling and attachment by Escada, J., Dias, T.H.V.T., Rachinhas, P.J.B.M., Santos, F.P., Borges, F.I.G.M., Conde, C.A.N., Stauffer, A.D.

“…Monte Carlo simulation is used to investigate the Xe secondary scintillation (electroluminescence) yield and the corresponding fluctuations in gaseous Xe doped…”
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Simulation and experimental results for the detection of conversion electrons with gas proportional scintillation counters by Rachinhas, P.J.B.M., Simões, P.C.P.S., Lopes, J.A.M., Dias, T.H.V.T., Morgado, R.E., dos Santos, J.M.F., Stauffer, A.D., Conde, C.A.N.

“…The application of gas proportional scintillation counters (GPSC) to the detection and identification of conversion electrons in the medium energy range is…”
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A large area room temperature gas proportional scintillation counter for soft X-Rays with Ar-Xe mixtures: Preliminary results by do Carmo, S.J.C., Borges, F.I.G.M., Dias, T.H.V.T., Santos, F.P., Trindade, A.M.F., Conde, C.A.N.

“…A room temperature Gas Proportional Scintillation Counter (GPSC) optimized for soft X-ray detection in the 0.2 keV to 10 keV range is presented. The detector…”
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