27 Feb 2008 Meeting Summary

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Xinhu

-leakage -problem with Y need to check position -need more statistics

-geometry of detector -angle for rotation of detector

-gather beamline informations from Vince

calibration of NaI and check

Yoomin plots

still variation of rate on C with current by 3%

-need to check deadtime -need to check charge

charge is computed as average of u1,d1,u3,d3 double check with x1 and x3 BCM separately

check number of multitracks

question : effect of start of run


ifarml3 database access


Huan -survey

recomputed foil position

sieve slit survey was done february number similar to before ( offset in vertical different )


- optics run

-after optimization : small changes

only 4 matrix elements for theta

add additionnal elements


Failing of optimization : optimize lower order firsts then turn on further orders

time consuming part with graphical cuts


JP Target measurement from UMass : can lend all setup need replace missing part : detector and source


Vince : meeting for harp