[Clas12_software] ced 1.006 with better CND data display

[Valery Kubarovsky]

Mikhail: 
Two rows of bigger tiles just after DC R3 is LTCC. 
Valery 

> From: "Mikhail Osipenko" <osipenko at jlab.org>
> To: "David Heddle" <david.heddle at cnu.edu>
> Cc: "clas12 software" <clas12_software at jlab.org>
> Sent: Sunday, November 11, 2018 12:42:14 AM
> Subject: Re: [Clas12_software] ced 1.006 with better CND data display

> Hi Dave,

> there are some hits in FTOF (it is made of those two rows of bigger tiles
> just after DC R3, right?), but 1) for most tracks which you see both in DC
> (before FTOF) and in PCAL+EC (after FTOF) there are no hits in FTOF! They
> must be there, moreover there must be a lot of random noise: FTOF is
> counting few x100 kHz. Are you sure you plotting all hits? Is there any
> threshold or requirement of two side L-R reconstruction?

> I would expect for every DC track to see the corresponding FTOF hit
> (plus random noise), if it is not there we will not be able to reconstruct
> anything.

> Thank you,
> Mikhail.

> On Sat, 10 Nov 2018, David Heddle wrote:

> > I just went to the counting house and the FTOF hit rate on ced looked
> > normal. Not sure what else to do...

> > On Sat, Nov 10, 2018 at 11:21 AM David Heddle <david.heddle at cnu.edu> wrote:

> >> Hi,

> >> I just looked at

> >> /lustre/expphy/cache/clas12/rg-a/data/clas_005460/clas_005460.evio.00049

> >> from today, and I see the usual number of FTOF hits. I will go to the
> >> counting house and check the on-line. An accumulation of 10k events looks
> >> normal

> >> [image: image.png]

> >> David

> >> On Sat, Nov 10, 2018 at 7:19 AM David Heddle <david.heddle at cnu.edu> wrote:

> >>> I will check!

> >>> On Sat, Nov 10, 2018, 5:52 AM Mikhail Osipenko <osipenko at jlab.org wrote:

> >>>> Dear Dave,

> >>>> are all FTOF hits shown for each event in CED? I looked both: the
> >>>> on-line
> >>>> visualization in counting house from ET-ring and off-line data files,
> >>>> apparently there are almost no FTOF hits. Perhaps one every 100 events.
> >>>> Even for very clear electron tracks with huge EC cluster the crossed
> >>>> FTOF
> >>>> does not show anything. I hope it is just visualization problem and has
> >>>> nothing to do with detector performance?

> >>>> Thanks,
> >>>> Mikhail.



> >> --

> >> *David P. Heddle, Ph.D.Professor of Physics*
> >> *MS APCS Graduate Program Coordinator*

> >> * Christopher Newport University Newport News, VA 23606*

> >> *757.594.8434*



> > --

> > *David P. Heddle, Ph.D.Professor of Physics*
> > *MS APCS Graduate Program Coordinator*

> > * Christopher Newport University Newport News, VA 23606*

> > *757.594.8434*

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