| Re: Drift CHamber in forward spectrometer [message #8657 is a reply to message #8653] |
Tue, 26 May 2009 12:07   |
Aleksandra Wronska
Messages: 38
Registered: May 2006
Location: Cracow
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continuous participant |
From: *if.uj.edu.pl
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Hi,
originally, there were two packs of dch foreseen for the target spectrometer as well. Now, after the GEMs have been introduced, they are not created anymore. So what's left are two chambers upstream the dipole, two inside of the dipole yoke hole, and two downstream the dipole.
Currently the chambers are located at z=305., 337., 418., 462., 615., 760. cm. However, the last position may change if we interchange the last chamber and the RICH detector - this has to be studied.
cheers,
ola
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