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Present MFT planes layout. Reduction of MFT detector planes inner diameter could produce ineterference with the bellows and the beampipe support during the installation phase. 16.5mm. 100mm. 16.5mm ( vertical movement toto be done in less the 40mm-space between two bellow ).
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Present MFT planes layout Reductionof MFT detector planesinnerdiametercould produce ineterferencewith the bellows and the beampipesupportduring the installationphase
16.5mm 100mm
16.5mm (verticalmovement toto bedone in less the 40mm-space betweentwobellow) D=54mm D=60mm D=40mm Planesbetweeenbellows 54 mm diameterhole detector planeneedstoclear 60mm Bellowsdiameter (and 60mm diameter BP Al section)
Outer layers lay-out studies Option 1 to be compared with CDR radius 200, 220, 410, 430 Layersoverlap Overlap azimuth Layer 4=2.25 Layer5=2.33 Layer6=2.38 Layer7=2.31
Outer layers Geometrical lay-out studies Option 2 to be compared with CDR radius 200, 220, 410, 430 Layersoverlap Overlap azimuth Layer 4=2,11 Layer5=2,33 Layer6=2,30 Layer7=2,32
Outer layers Geometrical lay-out studies Option 3 to be compared with CDR radius 200, 220, 410, 430 Layersoverlap Overlap azimuth Layer 4=2.19 Layer 5=2.33 Layer 6=2.31 Layer 7=2.31
Outer layers Geometrical lay-out studies Option 4 to be compared with CDR radius 200, 220, 410, 430 Layersoverlap Overlap azimuth Layer 4=2.33 Layer 5=2.15 Layer 6=2.31 Layer 7=2.31
Outer layers Geometrical lay-out studies Option 5 to be compared with CDR radius 200, 220, 410, 430 Layersoverlap
Layer 6 & 7 Layer 4 & 5
SERVICES WAY OUT A-Side
NEW ITS INTEGRATION DETECTOR BARREL SERVICE BARREL MFT ITS LAYER 4,5,6,7 ITS LAYER 1,2,3 CAGE BEAM PIPE TPC OD= 1130mm CAGE OD= 1100mm MFT OD= 1030mm ITS OUT BARREL OD= 920mm