Performance of long straw tubes using dimethyl ether

A cylindrical tracking detector with an inner radius of one meter employing straw tubes is being envisaged for the FINUDA experiment aimed at hyper-nuclear physics at DAΦNE, the Frascati φ-factory. A prototype using several 10 mm and 20 mm diameter, two meter long aluminized mylar straws has been as...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 1995-07, Vol.361 (1), p.180-191
Main Authors: Benussi, L, Bertani, M, Bianco, S, Fabbri, F.L, Gianotti, P, Giardoni, M, Guaraldo, C, Lanaro, A, Lucherini, V, Mecozzi, A, Passamonti, L, Russo, V, Sarwar, S
Format: Article
Language:English
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Summary:A cylindrical tracking detector with an inner radius of one meter employing straw tubes is being envisaged for the FINUDA experiment aimed at hyper-nuclear physics at DAΦNE, the Frascati φ-factory. A prototype using several 10 mm and 20 mm diameter, two meter long aluminized mylar straws has been assembled and tested with a one GeV/ c pion beam. While operating with dimethyl ether, gas gain, space resolution, and device systematics have been studied. A simple method of correction for systematics due to straw eccentricity has been developed and, once applied, a space resolution better than 40 μm can be reached.
ISSN:0168-9002
1872-9576
DOI:10.1016/0168-9002(95)00175-1