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Detector

Operation

radiation

Prv0 occupancy

Effect on reco

SVT

Online throughput 10%occ at 2 kHz

10%=0.5 Mrad/year

2 Mrad total

10 mrad/s => occ. <2%

5-10%

Space point efficiency 90%

DCH

Current 40 um /layer

Layer

FEE extraction 800 hits at 2 kHz

Elecs 20 krad

Wire >0.1 c/cm

15 % occupancy

layer 1 and layer 2

=>current draw 11 uA and 30 uA in layer 1 and 2

10% loss of j/psi K0s

problem with t0 bunch finding

DRC

PMT rate <200 kHz

none

8 % (PMT rate 50 kHz)

~5% efficiency loss

EMC

10% occ at 2 kHz (??)

10 krad total

200 rad

E gamma>60 mev

Epi0>500 meV

Pi0 widthx1.5

IFR

Current drawn in outer layers

none

Not quantified yet

20% loss of muid

L1 TRG

1 kHz limit due to event size in PRV0

none

Not quantified

Not quantified

L3 TRG

CPU time?

none

Not quantified

Not quantified

OFFline

CPU time

none

SVT,etc..