A GEM Detector System for an Upgrade of the CMS Muon Endcaps

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Ideal Realistic Ideal Realistic Ideal Realistic Figure 86: L1 GEM+RPC trigger efficiency curves in trigger tower 15 for 4× geometry. Rows correspond to 3 different pT thresholds of 16, 50, and 140 GeV c , respectively. Left column shows results for ideal chamber model, right for realistic chamber model. 99
Ideal Realistic Ideal Realistic Ideal Realistic Figure 87: L1 GEM+RPC trigger efficiency curves in trigger tower 15 for 8× geometry. Rows correspond to 3 different pT thresholds of 16, 50, and 140 GeV c , respectively. Left column shows results for ideal chamber model, right for realistic chamber model. 100
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Available on CMS information server
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Abstract This technical proposal ai
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5.3 Simulated chamber properties .
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List of Figures 1 CMS transverse se
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49 Simulated total L1 GEM+RPC trigg
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List of Tables 1 Performance requir
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obtained. The angular resolution is
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of the gas rigidity or discharge. S
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Figure 3: CATIA model of the CMS en
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Therefore, the physics case for add
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(r.m.s.) p /p T T ∆ (r.m.s.) T /p
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3 Studies of small and full-scale G
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Figure 11: Positions of small Tripl
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Figure 16: VFAT2 threshold scan for
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(a) (b) Figure 19: (a) Exploded vie
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(a) (b) Figure 22: (a) The GE1/1-I
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Figure 27: GE1/1-II efficiency perf
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instrumented with GEMs, the number
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Table 3: Performance overview for a
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Figure 34: Exploded view of a Tripl
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Figure 37: Lorentz angles for the g
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Figure 40: Loss rate for secondary
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Figure 44: Triple-GEM effective gai
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Figure 46: Longitudinal view of the
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Figure 47: Simulated L1 GEM+RPC tri
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Page 57 and 58: Figure 56: TIF gas system. 5.6 Prod
Page 59 and 60: 6 Electronics system 6.1 Introducti
Page 61 and 62: ates and the need for compatibility
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Page 65 and 66: algorithm, the GemTBs input data ba
Page 67 and 68: Table 6: Power estimate for the mai
Page 69 and 70: Cost for components for 3·10 chamb
Page 71 and 72: 7 Cooling, gas and cabling services
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Page 77 and 78: CMS Triple-GEM production GE1/1 foi
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Page 81 and 82: A twiki page (https://twiki.cern.ch
Page 83 and 84: 12 Publications 2010 2011 1. Charac
Page 85 and 86: References [1] S. Chatrchyan et al.
Page 87 and 88: Appendices 84
Page 89 and 90: Table 22: GE2/1 Mechanics GE2/1long
Page 91 and 92: Table 28: System overview: Endcap 4
Page 93 and 94: Notice that pivot and feet must bot
Page 95 and 96: C.4 Product(s) involved 1. GE 1/1 S
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A GEM Detector System for an Upgrade of the CMS Muon Endcaps

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