An array of 2424 2.6- m-long, 15-mm-diameter mylar straw tubes, arranged in
two axial and four stereo layers, has been assembled at National Laborator
ies of Frascati of INFN for the FINUDA experiment. The array covers a cylin
drical tracking surface of 18 m(2) and provides coordinate measurement in t
he drift direction and along the wire with a resolution of the order of 100
and 300 mum, respectively. The array has finished the commissioning phase
and tests with cosmic rays are underway. The status straw tubes array and a
very preliminary result from cosmic rays test are summarized in this work.
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