Homogeneity of Small Chambers T4, T6, T7, T8 and Gas Gain Measurements of Frascati and Roma Chambers Emmanuel Angulo (CSU Fresno) Weekly Meeting ATLAS.

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Presentation transcript:

Homogeneity of Small Chambers T4, T6, T7, T8 and Gas Gain Measurements of Frascati and Roma Chambers Emmanuel Angulo (CSU Fresno) Weekly Meeting ATLAS Muon Micromegas 7/8/2012

Cu X-Ray Measurements 90 Positions (0.9cm x 1cm) HV of 520 HV of 300 X-Ray with 1mm collimator and cu foil event count, 10mm distance from chamber Cu X-Ray

T4 (10mm to 5mm Drift) Unifortmity

T6 Uniformity Corner points 1cm x 1cm Middle point 6cm x 5cm Connector 1 Connector 2

T6 Uniformity

T7 Uniformity Corner points 1cm x 1cm Middle point 4cm x 5cm Connector 1 Connector 2

T7 Uniformity

T8 Uniformity Corner points 1cm x 1cm Middle point 4cm x 5cm Connector 1 Connector 2 Noise up to Ch 143 (Bad signal with connector 2)

T8 Uniformity with 55 Fe 25 Positions (1.8cm x 1.8cm) 3mm Collimator event count Strip 520 Drift 300

Roma and Frascati Chambers Gas Gain 55 Fe Measurements Positions (1.8cm x 1.8cm) 3mm Collimator event count Strip HV from Drift 300 HV Connectors X-Strips Y-StripsY-Strips

Frascati Gas Gain

Roma Gas Gain