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ECAL: Riepilogo costi (M €). ECAL: nuove valutazioni (M €). Oltre alle altre stime fornisco quella del diretto interessato (J.C. Brient). 1) the today cost of the silicon is in fact smaller than 8$ ( about 6 ) 2) A reasonable prediction is about 3$ for the time of the LC (=TDR)

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ECAL: Riepilogo costi (M€)

Paolo Checchia Road Map INFN


ECAL: nuove valutazioni (M€)

Oltre alle altre stime fornisco quella del diretto interessato (J.C. Brient)

1) the today cost of the silicon is in fact smaller than 8$ (about 6)

2) A reasonable prediction is about 3$ for the time of the LC (=TDR)

3) optimist price could be 2$

4) The today version (LDC01) include only 30 layers and a radius smaller and barrel lenght smaller leading to about 1800 m2. A reduction to 1200 m2 seems possible (20 layers and smaller length and radius)

5) cost of the electronics , I don't know. The cost only sligthly depend on the channels numbers. The overall cost of the readout at about 10M$ seems a reasonable estimation

Da discussione con vari esperti (non esistendo caso analogo per tipologia e dimensione): improbabile scendere sotto 1 €/can cui va inevitabilmente aggiunto altrettanto per connessioni, cavi, alimentazioni, raffreddamento ecc.

Paolo Checchia Road Map INFN


ECAL: Rivalutazione costi SiW (M€)*

NB: valutazioni in assenza di un progetto dettagliato e di certezza costi materie prime puramente indicative

*Assunzione 1$=1€

!Assunzione: scala con numero canali

Paolo Checchia Road Map INFN


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