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Projected photo sensor requirements and experiment timeline
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Contact Person :Roberto PreghenellaEzio TorrasaSamo KorparMassimiliano Fiorini
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Filled by
Roberto Preghenella (work in progress)
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Application / PropertyUnitEIC dRICHTOP @ Belle II
Aerogel RICH @ Belle II
RICH @ LHCbExperiment xx
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Sensor sizemm23x36x6 (to keep the current 8192 channels)3x31x1 (inner)/ 3x3 (outer)
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Smallest acceptable Sensor sizemm23x31x1 / 3x3 (depending to electronic solution)1.5x1.50.5x0.5 (inner)/ 3x3 (outer)
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Single photon sensitivity (PDE)%> 40Required> 40Required
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Acceptable DCR at the working voltagekHz/mm2< 30 (after cooling, radiation and annealing)< 100
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Required Peak PDEBlueBlueBlueGreen
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Expected Single photon timing resolution (sigma)ps5050100100
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Acceptable range of Operating temperatures°C-50 to -2020-50 to 20-200 - -50
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Light focusing (micro or micro lensing, light concentrators)NoNoYesYes
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Photon incident angle range°0-450-900-450-10
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Thermal coupling to dry nitrogenquartz bar radiatorair/nitrogen gasdry air (nitrogen)
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Expected Photon Sensitive Area m230.44.5 m21m2/9m2
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Expected Neutron Fluence 1MeV eq.n/cm210**1010**1110**123x10**13
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Expected TIDGy5 Gy/year1000
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Trigger rateMHztriggerless, 98 MHz bunch-crossing0.30.340
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Expected Project timeline
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Conceptual design report2021203020302030
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End of R&Dalready concluded according to EIC project203120312029
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Technical design reportend of 2024203120312029
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Sensor production2026-2028
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Sensor installation2027-2030
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Start of Operation2031203320332033
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Possible replacement of sensors during the service shutdownstowards end of 2030yes (approx every 3 years)yes (approx every 3 years)yes
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Main objectives for R&D
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Important
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Objective 1
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Objective 2
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Less important
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Objective 3
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Preffered FBK sample (SIPM) sizes (mm**2)1x1
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Preffered FBK SPAD sizes (um)10-50
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Comments:
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