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https://hdl.handle.net/10316/4428| Title: | Performance of an optical readout GEM-based TPC | Authors: | Margato, L. M. S. Fraga, F. A. F. Fetal, S. T. G. Fraga, M. M. F. R. Balau, E. F. S. Blanco, A. Marques, R. Ferreira Policarpo, A. J. P. L |
Keywords: | GEM detectors; Scintillation; Optical readout; Time projection chamber; Neutron spectrometry | Issue Date: | 2004 | Citation: | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 535:1-2 (2004) 231-235 | Abstract: | We report on the operation of a GEM-based small TPC using an optical readout. The detector was operated with a mixture of Ar+CF4 using 5.48 MeV alpha particles obtained from a 241Am source and the GEM scintillation was concurrently read by a CCD camera and a photomultiplier. Precision collimators were used to define the track orientation. Qualitative results on the accuracy of the track angle, length and charge deposition measurements are presented. | URI: | https://hdl.handle.net/10316/4428 | DOI: | 10.1016/S0168-9002(04)01609-2 | Rights: | openAccess |
| Appears in Collections: | FCTUC Física - Artigos em Revistas Internacionais |
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| filef5bcf901a88b43ad95541d5b38074153.pdf | 299.58 kB | Adobe PDF | View/Open |
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