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Merit
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Tuple
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Variables
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The
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complete
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list
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of
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merit
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tuple
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variables
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is
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here:
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http://glast-ground.slac.stanford.edu/workbook/pages/gleamOvrvw/pr_summaryNtuples.htm
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Here
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are
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some
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plots
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for
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the
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most
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relevent
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ACD
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variables:
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AcdTileCount,
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AcdRibbonCount:
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Number
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of
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Tiles
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and
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Ribbons
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in
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the
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Event
| Wiki Markup |
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AcdNoTop, AcdNoSideRowX \[0-3\]: Number of tiles in the event (for the top of the ACD and by row) |
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AcdActiveDistance3D: Distance to the closest edge of tile. Positive is inside tile, negative is outside tile.
| Wiki Markup |
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AcdActDist3DTop, AcdActDist3DSideRowX \[0-3\]. Best active distance for the top and various side rows of the ACD |
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AcdRibbonActDist. Best Active distance to an Acd Ribbon
AcdCornerGap: Distance to closest gap along side of ACD, signed to match the direction of the overlap at the corner
SVAC tuple variables
The complete list of svac tuple variables is here: ftp://ftp-glast.slac.stanford.edu/glast.u01/svac_workshop/Svac_ntuple_description/new/html/index.html
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Here
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are
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some
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plots
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for
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the
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most
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relevent
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ACD
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variables:
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AcdNumDigis: Total number of digis in the event (Tiles and Ribbons)
| Wiki Markup |
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Acd10Ids\[10\]: Tiles ids of the first (by readout order) 10 digis in the event |
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| Wiki Markup |
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AcdPha\[604\]\[2\] and AcdMips\[604\]\[2\]: Pulse Height in pha counts and calibrated to MIPs, by tileid, pmt |
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AcdNumTkrIntSec:
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Number
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of
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intersection
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between
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tracks
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and
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ACD
| Wiki Markup |
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AcdTkrIntSecTkrIndex\[20\], AcdTkrIntSecTileId\[20\]: Track Index and Tile id for the first 20 intersections of tracks with the ACD |
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| Wiki Markup |
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AcdTkrIntSecGlobalX\[20\] |
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(also Y,Z): Position in global cooridinates when the track crosses the ACD |
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| Wiki Markup |
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AcdTkrIntSecArcLengthToIntSec\[20\]: |
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Distance from first (last) hit to the intersection with the ACD. |
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Postivie for up, negative for down |
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| Wiki Markup |
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AcdTkrIntSecPathLengthInTile\[20\]: |
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Distance traveled inside active ACD volume. |
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| Wiki Markup |
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AcdTkrIntSecTileHit\[20\]: |
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Hit code for tile |
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( CN0B \| CN0A \| VetoB \| VetoA \| PHA_B \| PHA_B ) |
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| Wiki Markup |
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AcdTkrIntSecLocalX\[20\] (also Y): |
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Position of hit in local coordinates (to Tile Center) |
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AcdPocaNbrTrack1 (also 2): Number of hit tiles and ribbons within 20cm of track 1 (or 2)
| Wiki Markup |
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AcdPocaTileID\[2\]\[6\]: |
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Ids of up to six hit tiles or ribbons that a track passed with 20cm of, sorted by distance |
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| Wiki Markup |
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AcdPocaDoca\[2\]\[6\]: |
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Distance of Closest approach between track and up to 6 tiles / ribbons, sorted by distance |
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| Wiki Markup |
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AcdPocaX\[2\]\[6\] (also Y,Z) |
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: Point of closest approach (along track) to hit tile or ribbon, global cooridinates |
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AcdMaxActiveDistId : Acd id of tile with the best (largest) active distance