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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

A dedicated setup for the measurement of the electron transport parameters in gases at large electric fields

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Author(s):
Fonte, P. [1, 2] ; Mangiarotti, A. [1] ; Botelho, S. [3, 4] ; Goncalves, J. A. C. [3, 4] ; Ridenti, M. A. [5] ; Bueno, C. C. [3, 4]
Total Authors: 6
Affiliation:
[1] Univ Coimbra, Dept Fis, Lab Instrumentacao & Fis Expt Particulas, P-3004516 Coimbra - Portugal
[2] Inst Super Engn Coimbra, P-3030199 Coimbra - Portugal
[3] IPEN CNEN SP, BR-05508000 Sao Paulo - Brazil
[4] Pontificia Univ Catolica Sao Paulo, Dept Fis, BR-01303050 Sao Paulo - Brazil
[5] Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo - Brazil
Total Affiliations: 5
Document type: Journal article
Source: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SP; v. 613, n. 1, p. 40-45, JAN 21 2010.
Web of Science Citations: 12
Abstract

Electron transport parameters are important in several areas ranging from particle detectors to plasma-assisted processing reactors. Nevertheless, especially at high fields strengths and for complex gases, relatively few data are published. A dedicated setup has been developed to measure the electron drift velocity and the first Townsend coefficient in parallel plate geometry. An RPC-like cell has been adopted to reach high field strengths without the risk of destructive sparks. The validation data obtained with pure Nitrogen will be presented and compared to a selection of the available literature and to calculations performed with Magboltz 2 version 8.6. The new data collected in pure Isobutane will then be discussed. This is the first time the electron drift velocity in pure Isobutane is measured well into the saturation region. Good agreement is found with expectations from Magboltz. (C) 2009 Elsevier B.V. All rights reserved. (AU)

FAPESP's process: 07/50591-4 - Alessio Mangiarotti | University of Coimbra - Portugal
Grantee:Carmen Cecília Bueno
Support Opportunities: Research Grants - Visiting Researcher Grant - International