[PRad] repetition for collaboration meeting

[Eugene Pasyuk]

OK. If you could add a picture showing these spots it would be helpful.


-Eugene 


Sent from Galaxy S7 






On Tue, Nov 1, 2016 at 3:42 PM -0400, "Xinzhan Bai" <xb4zp at virginia.edu> wrote:





Hi Eugene,

0 is in the hole centre on GEM detectors. As you know we have a hole on
each chamber to allow beam pipe to pass through. This plot uses GEM local
coordinates. (origin is in the hole centre, x axis is in the horizontal
direction, y axis is in the vertical direction).

The result is from the data taken during HyCal calibration run, during
which we had 4 dedicated runs to test GEM efficiency, and we scanned 4
spots on GEM. These 4 spots are in the same height.

The X axis is the coordinates (horizontal direction) of the spot, (in GEM
frame), this plot shows efficiency in different GEM areas.

As during calibration, detectors are moving relative to beam, so I chose
GEM local frame for this plot.

please let me know if you have comments on improving this plot.

Best,

Xinzhan

On Tue, Nov 1, 2016 at 3:16 PM, Eugene Pasyuk <pasyuk at jlab.org> wrote:

> Maxime,
>
> I am confused with slide 17 with GEM efficiency. Position with respect to
> what? What is 0 on X-axis?
>
> -Eugene
>
> ----- Original Message -----
> > From: "Maxime Levillain" <mlevilla at jlab.org>
> > To: "prad" <prad at jlab.org>
> > Sent: Tuesday, November 1, 2016 1:39:13 PM
> > Subject: Re: [PRad] repetition for collaboration meeting
>
> > Just a reminder of the dry run for the clas12 collaboration meeting at 5
> PM in
> > F227 for the people at jlab, and https://bluejeans.com/6017317348 for
> the other
> > ones available.
> > The talk has been updated on the wiki
> > (https://wiki.jlab.org/pcrewiki/images/9/99/Levillain_161102.pdf).
> >
> > Regards,
> > Maxime
> >
> > ----- Original Message -----
> > From: "Maxime Levillain" <mlevilla at jlab.org>
> > To: prad at jlab.org
> > Sent: Monday, October 31, 2016 1:08:11 PM
> > Subject: Re: [PRad] repetition for collaboration meeting
> >
> > Hi all,
> >
> > Since most people are only available after 5pm, I've booked the room
> F227 for
> > the dry-run.
> > I will connect to the bluejeans meeting: https://bluejeans.com/
> 6017317348
> >
> > Regards,
> > Maxime
> >
> > ----- Original Message -----
> > From: gasparan at jlab.org
> > To: "Eugene Pasyuk" <pasyuk at jlab.org>
> > Cc: "Maxime Levillain" <mlevilla at jlab.org>, "prad" <prad at jlab.org>
> > Sent: Monday, October 31, 2016 12:30:59 PM
> > Subject: Re: [PRad] repetition for collaboration meeting
> >
> > Hi All,
> >
> > For the Maxime's practice run: tomorrow, on Tuesday I am free from 12:30
> > to 3:00 pm and after
> > 5 pm.
> >
> > Since Eugene is available only after 5 pm CAN WE MAKE it 5 pm?
> >
> > Thanks,
> > Ashot
> >
> >
> >> Tomorrow I am available only after 5 pm.
> >>
> >> -Eugene
> >>
> >> ----- Original Message -----
> >>> From: "Maxime Levillain" <mlevilla at jlab.org>
> >>> To: "prad" <prad at jlab.org>
> >>> Sent: Monday, October 31, 2016 9:03:14 AM
> >>> Subject: [PRad] repetition for collaboration meeting
> >>
> >>> Dear colleagues,
> >>>
> >>> You can the presentation that I plan to on the next CLAS12
> collaboration
> >>> meeting
> >>> here: https://wiki.jlab.org/pcrewiki/images/9/99/Levillain_161102.pdf.
> >>> Corrections and comments are welcome!
> >>> I plan to do a repetition tomorrow (tuesday). Let me know if you are
> >>> available
> >>> and at which hour, so that I can book a room.
> >>>
> >>> Regards,
> >>> Maxime
> >>> _______________________________________________
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