Hi, Vitaliy!
I only wanted to mention the problem I saw... if it is not a factor in the
D2 analysis, well, I thought it might be worth mentioning (although it was
a slim chance), since it was on the same left-electron side...
Cheers!
Adrian
On Sat, 13 Mar 2004, vitaliy ziskin wrote:
> Adrian,
> What you are referring to is probably due to a bad wire chamber box,
> such as L14 right now. I should not, however, effect a spin asymmetry
> to a large degree, that we see in tensor. The biggest mistery is
> reconciling tensor and vector results.
>
>
> Vitaliy
> Adrian T Sindile wrote:
>
> >Hi, Richard, Vitaliy!
> >I have been analyzing polarized H2 runs from December - I am also seeing
> >problems on the electron-left side. This might have nothing to do with the
> >recent D2 runs, but I thought I would mention it since you asked.
> >
> >Please take a look at the attached plot (please ignore poor binning and
> >the X axis error bars, this is an older plot I happened to have around).
> >>From my plot, we can see an acceptance gap on the electron-left side
> >(the two upper plots are theta distribution, different colors for
> >different helicities).
> >
> >I took great care at selecting ep events from about 300 runs - this is
> >not perfect, but I am now 90% sure the problem is real.
> >I do not know if this is relevant... but if we have a detector problem,
> >that might also play into D2 analysis.
> >
> >Adrian
> >
> >-------------------------------
> >Adrian Sindile
> >Research Assistant
> >Nuclear Physics Group
> >University of New Hampshire
> >phone: (603)862-1691
> >FAX: (603)862-2998
> >email: asindile@alberti.unh.edu
> >http://einstein.unh.edu/~adrian/
> >
>
>
--------------------------------- Adrian Sindile Research Assistant Nuclear Physics Group University of New Hampshire phone: (603)862-1691 FAX: (603)862-2998 email: asindile@alberti.unh.edu http://einstein.unh.edu/~adrian/
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