A GEM Detector System for an Upgrade of the CMS Muon Endcaps
A GEM Detector System for an Upgrade of the CMS Muon Endcaps
A GEM Detector System for an Upgrade of the CMS Muon Endcaps
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A Parameters describing <strong>the</strong> GEi/1 systems<br />
In this appendix we describe <strong>the</strong> parameters <strong>of</strong> <strong>the</strong> two proposed stations GE1/1 <strong>an</strong>d GE2/1 in terms <strong>of</strong> mech<strong>an</strong>ics,<br />
electronics <strong>an</strong>d technical specification <strong>of</strong> services.<br />
Table 19: GE1/1 Mech<strong>an</strong>ics<br />
Long side 440mm<br />
Short side 220mm<br />
Height 990mm<br />
Area 0.32m 2<br />
Chamber volume 2.2869l<br />
Super Chamber volume 4.57l<br />
Gas flow per chamber 0.48l/h<br />
Table 20: GE1/1 Electronics<br />
Eta partition 10<br />
Phi columns 3<br />
Chamber consumption (VFAT) 34W<br />
Chamber consumption (GdSP) 51W<br />
Total chips 30VFATs<br />
Ch<strong>an</strong>nels per chamber 3840ch<br />
Ch<strong>an</strong>nels per super chamber 7680ch<br />
Area/chips 10.89·10 −3 m 2 /chip<br />
Consumption/ch<strong>an</strong>nel (VFAT) 8.85·10 −3 W/ch<strong>an</strong>nel<br />
Consumption/ch<strong>an</strong>nel (GdSP) 13.28·10 −3 W/ch<strong>an</strong>nel<br />
Table 21: GE1/1 <strong>System</strong> overview<br />
Surface 23.5224m 2<br />
Gas volume 165l<br />
Electronics ch. 276480ch<br />
Power consumption (VFAT) 2.448kW<br />
Power consumption (GdSP) 3.672kW<br />
85
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