ACTIVITY IN 904

AHMED IBRAHIM

Reconstruction of RPC

In 904 we reconstructing the RPC

1st we make testes for gaps

Gas inlets broke

Visual test

Leak test

5 mbar by U tube 15 mbar by PLW Recorder

Time

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Spacer test

Spacer test data

time

time

time

time

time

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P

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Example of a bad spacers

Pre

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time

2nd building the chamber

Bottom gap Top gaps Distribution boards

Cosmic Stand

Data of Cosmic Stand

DOUBLE A

DOUBLE B

Efficiency curve

Cluster size curve

DOUBLE A

DOUBLE B

THANK YOU