2005
DOI: 10.1016/j.radmeas.2004.08.004
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Effects of the electric field on the electron drift velocity in a double-GEM detector in different gas mixtures

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Cited by 6 publications
(6 citation statements)
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“…Moreover, the gas mixture has to be fast and stable under high gains. Results about the effects of the induction field on the electron drift velocity and on the electron lateral diffusion in GEM detectors for different gas mixtures have been obtained recently [10], [11]. Based on these results we found that the Ar/Xe/CO (64/16/20) gas mixture was adequate for the present purpose.…”
Section: B Position Measurement 1) Xandy Anode and Delay Linementioning
confidence: 56%
See 1 more Smart Citation
“…Moreover, the gas mixture has to be fast and stable under high gains. Results about the effects of the induction field on the electron drift velocity and on the electron lateral diffusion in GEM detectors for different gas mixtures have been obtained recently [10], [11]. Based on these results we found that the Ar/Xe/CO (64/16/20) gas mixture was adequate for the present purpose.…”
Section: B Position Measurement 1) Xandy Anode and Delay Linementioning
confidence: 56%
“…It has been based mainly on results presented in [10], [11]. The drift gap is such that little parallax error is introduced, while keeping a reasonable absorption eficiency for the Fe source X-rays.…”
Section: A General Designmentioning
confidence: 99%
“…Primeiramente, foi realizada a caracterização do detector single-GEM, através do levantando de sua curva de ganho efetivo. O ganho efetivo de um detector THGEMé dado pela leitura dos elétrons capturados no anodo, originados a partir de cada elétron primário gerado na região de conversão [9], [14]. A primeira geometria, denominada geometria THGEM P,é a geometria com as menores dimensões de espessura, diâmetro de furo e de passo entre os furos -como mostra a Tabela 1.…”
Section: Estudo Do Ganhounclassified
“…Maiores ganhos podem ser obtidos usando múltiplos THGEMs organizados em cascata. Nesta hipótese, os campos elétricos entre THGEMs devem ser otimizados para fornecer a máxima transferência da avalanche eletrônica, minimizando as perdas de elétrons nos eletrodos do THGEM [9].…”
unclassified
“…Maiores ganhos podem ser obtidos utilizando múltiplos GEMs montados em cascata. Nesta arquitetura, os campos elétricos entre GEMs devem ser otimizados para fornecer a máxima transferência da avalanche eletrônica, minimizando as perdas de elétrons nos eletrodos do GEM [7].…”
Section: Introduc ¸ãOunclassified