MTCC plots for Run 2596

Last modified: Sun Aug 27 13:43:03 CDT 2006

Run 2596, 27-Aug-2006, 15:42

Shift e-log for this run
CSC e-log for this run

 

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The ESR code which shows overall occupancies.
Why is station 2 much higher than station 1? Trigger bias??
This has been noted by several people.
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Station 1 recHits.
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Station 2 recHits
Note this is quite uneven. A new pointing trigger was implemented for this run. Is this responsible perhaps?
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Station 3 recHits
(Pardon the incorrect drawing of ME3/1 boundaries.)
This is also uneven, as in station 2.
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polar angle θ for segments with at least five recHits.
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azimuthal angle φ for segments with at least five recHits.
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angle α wrt the vertical, for segments with at least five recHits.
(It may be that this distribution still needs to be folded over...)
station/ring links to plots comments
ME11 Wire Time Bins    strips peak Time (Chambers 27&32 expected to be empty.)
ME12 Wire Time Bins    strips peak Time (Chamber 32 expected to be empty.)
ME13 Wire Time Bins    strips peak Time OK
ME22 Wire Time Bins    strips peak Time OK
ME32 Wire Time Bins    strips peak Time OK
chamber links to plots comments
ME11 / 28   multiplicities   wire hits   strip hits   recHits   segments OK
ME11 / 29   multiplicities   wire hits   strip hits   recHits   segments OK
ME11 / 30   multiplicities   wire hits   strip hits   recHits   segments OK
ME11 / 31   multiplicities   wire hits   strip hits   recHits   segments OK
ME12 / 28   multiplicities   wire hits   strip hits   recHits   segments OK
ME12 / 29   multiplicities   wire hits   strip hits   recHits   segments OK
ME12 / 30   multiplicities   wire hits   strip hits   recHits   segments OK
ME12 / 31   multiplicities   wire hits   strip hits   recHits   segments OK
ME13 / 27   multiplicities   wire hits   strip hits   recHits   segments OK
ME13 / 28   multiplicities   wire hits   strip hits   recHits   segments OK
ME13 / 29   multiplicities   wire hits   strip hits   recHits   segments OK
ME13 / 30   multiplicities   wire hits   strip hits   recHits   segments OK
ME13 / 31   multiplicities   wire hits   strip hits   recHits   segments OK
ME13 / 32   multiplicities   wire hits   strip hits   recHits   segments OK
ME21 / 14   multiplicities   wire hits   strip hits   recHits   segments OK
ME21 / 15   multiplicities   wire hits   strip hits   recHits   segments OK, though chi-squared for segments is not so good.
ME22 / 27   multiplicities   wire hits   strip hits   recHits   segments OK
ME22 / 28   multiplicities   wire hits   strip hits   recHits   segments Strip distribution is very strange. I don't think it is a trigger bias. The result is an uneven rechit distribution in the (X,Y) plane.
ME22 / 29   multiplicities   wire hits   strip hits   recHits   segments Same problem as ME22/28. A very strange distribution is seen for the (X,Y) distribution of segments.
ME22 / 30   multiplicities   wire hits   strip hits   recHits   segments one dead wire in layer 5
ME22 / 31   multiplicities   wire hits   strip hits   recHits   segments OK
ME22 / 32   multiplicities   wire hits   strip hits   recHits   segments OK
ME31 / 14   multiplicities   wire hits   strip hits   recHits   segments Poor chi-squared for segments.
ME31 / 15   multiplicities   wire hits   strip hits   recHits   segments Odd distribution for N wire groups. Cross-talk??
Poor chi-squared for segments.
ME32 / 27   multiplicities   wire hits   strip hits   recHits   segments OK
ME32 / 28   multiplicities   wire hits   strip hits   recHits   segments OK
ME32 / 29   multiplicities   wire hits   strip hits   recHits   segments OK
ME32 / 30   multiplicities   wire hits   strip hits   recHits   segments OK
ME32 / 31   multiplicities   wire hits   strip hits   recHits   segments OK
ME32 / 32   multiplicities   wire hits   strip hits   recHits   segments OK