Transcript ppt

Gamma-ray Large Area
Space Telescope
SVAC ACD Variables
Study (Montecarlo)
See also Francesco’s Talk
Stefano Germani
INFN Perugia
Instrument Analysis Meeting
December 9, 2005
SVAC
Instrument Analysis Meeting, December 9, 2005
AcdTkrIntSec Global Position
Vertical ACD Planes
AcdTkrIntSecGlobalX
AcdTkrIntSecGlobalZ
AcdTkrIntSecGlobalY
Overlapping Tiles and Ribbons
Stefano Germani
2
SVAC
Instrument Analysis Meeting, December 9, 2005
AcdTkrIntSec Global Position II
Z vs X
Y vs X
Z vs Y
Overlapping
Tiles and Ribbons
Tiles
Crossing
Ribbons
on vertical
plane
Ribbons
Stefano Germani
3
SVAC
Instrument Analysis Meeting, December 9, 2005
AcdTkrIntSecPathLength & AcdTkrIntSecArcLengthToIntSec
Top Tiles with
intersection
well inside Tiles
No PathLength
smaller than
Tile Thicknes
Stefano Germani
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SVAC
Instrument Analysis Meeting, December 9, 2005
AcdTkrIntSecPathLength vs AcdTkrIntSecArcLengthToIntSec
PathLength vs ArcLengthToIntSec
All Tiles and
Ribbons
PathLength vs ArcLengthToIntSec
Tile 22
Top Center
PathLength vs ArcLengthToIntSec
Tile 22
Top Center
Converter
Tracker
BiLayer
Stefano Germani
5
SVAC
Instrument Analysis Meeting, December 9, 2005
Conclusions
• 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.
Stefano Germani
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