Gamma-ray Large Area Space Telescope SVAC ACD Variables Study (Montecarlo ) See also Francesco’s...

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Gamma-ray Large Gamma-ray Large Area Space Area Space Telescope Telescope SVAC ACD Variables SVAC ACD Variables Study (Montecarlo Study (Montecarlo ) ) See also Francesco’s Talk See also Francesco’s Talk Stefano Germani INFN Perugia Instrument Analysis Meeting December 9, 2005
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Transcript of Gamma-ray Large Area Space Telescope SVAC ACD Variables Study (Montecarlo ) See also Francesco’s...

Gamma-ray Large Area Gamma-ray Large Area Space TelescopeSpace Telescope

SVAC ACD VariablesSVAC ACD VariablesStudy (MontecarloStudy (Montecarlo))

See also Francesco’s TalkSee also Francesco’s Talk

Stefano GermaniINFN Perugia

Instrument Analysis MeetingDecember 9, 2005

SVAC Instrument Analysis Meeting, December 9, 2005

Stefano Germani 2

AcdTkrIntSec Global PositionAcdTkrIntSec Global Position

AcdTkrIntSecGlobalX AcdTkrIntSecGlobalZAcdTkrIntSecGlobalY

Overlapping Tiles and Ribbons

Vertical ACD Planes

SVAC Instrument Analysis Meeting, December 9, 2005

Stefano Germani 3

AcdTkrIntSec Global Position IIAcdTkrIntSec Global Position II

Tiles

Ribbons

Y vs X Z vs X Z vs Y

OverlappingTiles and Ribbons

CrossingRibbonson vertical plane

SVAC Instrument Analysis Meeting, December 9, 2005

Stefano Germani 4

AcdTkrIntSecPathLength & AcdTkrIntSecArcLengthToIntSecAcdTkrIntSecPathLength & AcdTkrIntSecArcLengthToIntSec

Top Tiles with intersection well inside Tiles

No PathLength smaller than Tile Thicknes

SVAC Instrument Analysis Meeting, December 9, 2005

Stefano Germani 5

AcdTkrIntSecPathLength vs AcdTkrIntSecArcLengthToIntSecAcdTkrIntSecPathLength vs AcdTkrIntSecArcLengthToIntSec

TrackerConverter

BiLayer

PathLength vs ArcLengthToIntSec

All Tiles andRibbons

Tile 22Top Center

Tile 22Top Center

PathLength vs ArcLengthToIntSec

PathLength vs ArcLengthToIntSec

SVAC Instrument Analysis Meeting, December 9, 2005

Stefano Germani 6

ConclusionsConclusions

• We are able to explain the meaning of the ACD SVAC Variables

• Everything seems to be consistent with the expectations

• The same analysis method can be applied to the real ACD data.