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

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Figure 48: Simulated L1 GEM+RPC trigger output rates summed over trigger towers -16 to -13 and 13 to 16 vs.pT cut for realistic chamber model (top left: base, top right: 2×, bottom left: 4×, bottom right: 8× strip granularity). 47
Figure 49: Simulated total L1 GEM+RPC trigger output rates as function of different geometries for ideal (left) and realistic (right) chamber models. Rows correspond to three different pT thresholds of 16, 50, and 140 GeV c . Only the contribution from muon candidates of quality 1 or 2 is shown. 48
Page 1 and 2: Available on CMS information server
Page 3 and 4: Abstract This technical proposal ai
Page 5 and 6: 5.3 Simulated chamber properties .
Page 7 and 8: List of Figures 1 CMS transverse se
Page 9 and 10: 49 Simulated total L1 GEM+RPC trigg
Page 11 and 12: List of Tables 1 Performance requir
Page 13 and 14: obtained. The angular resolution is
Page 15 and 16: of the gas rigidity or discharge. S
Page 17 and 18: Figure 3: CATIA model of the CMS en
Page 19 and 20: Therefore, the physics case for add
Page 21 and 22: (r.m.s.) p /p T T ∆ (r.m.s.) T /p
Page 23 and 24: 3 Studies of small and full-scale G
Page 25 and 26: Figure 11: Positions of small Tripl
Page 27 and 28: Figure 16: VFAT2 threshold scan for
Page 29 and 30: (a) (b) Figure 19: (a) Exploded vie
Page 31 and 32: (a) (b) Figure 22: (a) The GE1/1-I
Page 33 and 34: Figure 27: GE1/1-II efficiency perf
Page 35 and 36: instrumented with GEMs, the number
Page 37 and 38: Table 3: Performance overview for a
Page 39 and 40: Figure 34: Exploded view of a Tripl
Page 41 and 42: Figure 37: Lorentz angles for the g
Page 43 and 44: Figure 40: Loss rate for secondary
Page 45 and 46: Figure 44: Triple-GEM effective gai
Page 47 and 48: Figure 46: Longitudinal view of the
Page 49: Figure 47: Simulated L1 GEM+RPC tri
Page 53 and 54: Ideal Realistic Ideal Realistic Ide
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
Page 63 and 64: GdSP Preamp Shaper 64 or 128 channe
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
Page 73 and 74: Figure 71: Layout of the pump compr
Page 75 and 76: Figure 74: Endcap cooling system, m
Page 77 and 78: CMS Triple-GEM production GE1/1 foi
Page 79 and 80: Table 18: Budget and resources base
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
Page 101 and 102:
Ideal Realistic Ideal Realistic Ide
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A GEM Detector System for an Upgrade of the CMS Muon Endcaps

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