[Halld-cal] [EXTERNAL] BCAL calibration status
Zisis Papandreou
zisis at uregina.ca
Wed Apr 1 10:48:38 EDT 2020
You got it. Thanks and cheers, Zisis…
> On Apr 1, 2020, at 5:34 AM, Elton Smith <elton at jlab.org> wrote:
>
> Hi Zisis and Karthik,
>
> Thanks for the effort to complete the gain calibrations and keeping us up-to-date. I am replying to the halld-cal list, which is where future communications should be sent so that everyone is informed and also we keep a record of the communications.
>
> Cheers, Elton
>
> Elton Smith
> Jefferson Lab MS 12H3
> 12000 Jefferson Ave STE 4
> Newport News, VA 23606
> (757)269-7625
> (757)269-6331 fax
>
> On 3/31/20 8:27 PM, Zisis Papandreou wrote:
>> Hi Sean:
>>
>> as you saw from Karthik’s email, he started with the fall 2018 gains, then applied Mark’s ratio, and started iterations. He is looking at Batch 1, runs 71350-71591. (As this batch was for 150/250 nA, we will look at the other batches at 350 nA later, to see if any tweaks in the gains will be needed.)
>>
>> 6 iterations have completed. The file is attached below (to make it smaller, Karthik removed the 2D plots of 2g vs channel no; those are available upon request.)
>>
>> It looks like it takes ~3 hrs to do an iteration, so by tomorrow we should have 2-3 more iterations, and then see if the top left plot (2g vs channel no fits) converges to a line, for all three layers.
>>
>> Cheers, Zisis...
>>
>>
>>> On Mar 31, 2020, at 3:00 PM, Sean Dobbs <sdobbs at fsu.edu <mailto:sdobbs at fsu.edu>> wrote:
>>>
>>> Great news, thanks!
>>> I suppose this is starting with flat gains?
>>>
>>> Cheers,
>>> Sean
>>>
>>>
>>> On Tue, Mar 31, 2020 at 4:58 PM Zisis Papandreou <zisis at uregina.ca <mailto:zisis at uregina.ca>> wrote:
>>>
>>> Hi Sean:
>>>
>>> Karthik reports: /The calibration for spring 2020 (batch 1) is
>>> going smooth and I have completed 4 iterations for now and 5th
>>> iteration is running in the farm. I am attaching the plots that
>>> we usually produce when we do the calibration./
>>>
>>> The file was very large and Karthik will modify it to make it
>>> easier to work with. Just to show you that things are appearing
>>> to converge, I am attaching a couple of screen shots.
>>>
>>> Karthik is now estimating how lone it will take to finish the 5th
>>> iteration, and we will see whether we need to go to 8, or whether
>>> we can live with fewer.
>>>
>>> We will continue to keep you posted.
>>>
>>> Cheers, Zisis...
>>>
>>> <mean and sigma.png>
>>>
>>> <gain constants.png>
>>>
>>>> On Mar 30, 2020, at 10:55 AM, Sean Dobbs <sdobbs at fsu.edu
>>>> <mailto:sdobbs at fsu.edu>> wrote:
>>>>
>>>> Hi Zisis,
>>>>
>>>> Thanks very much for the update. I prefer to have the BCAL gains at
>>>> an advanced stage, if not complete, before we do the next monitoring
>>>> launch. So let's plan to keep this a high priority and hope to
>>>> launch
>>>> on Friday or Monday if need be.
>>>>
>>>> Cheers,
>>>> Sean
>>>>
>>>> On Mon, Mar 30, 2020 at 12:50 PM Zisis Papandreou
>>>> <zisis at uregina.ca <mailto:zisis at uregina.ca>> wrote:
>>>>>
>>>>> Hi Sean:
>>>>>
>>>>> we had a another Regina group meeting this morning, where
>>>>> Karthik reported the activities. Tegan also joins these.
>>>>>
>>>>> 1) PrimEx jobs: jobs are finally running on the farm. Igal
>>>>> gave Karthik some advise on how to tune job requirements so
>>>>> that the jobs can run faster on the farm.
>>>>>
>>>>> 2) GlueX jobs:
>>>>> - Two test jobs completed without any issues. The mass is
>>>>> coming out from the fits at 135 MeV/c2. There are not enough
>>>>> statistics to see things cell by cell or to compare the layers,
>>>>> but it looks good so far.
>>>>> - The fall 2019 pi0 calibration took 6 iterations to converge,
>>>>> which were completed in less than a week while the farm was not
>>>>> too busy. Tegan noted that whether one starts from flat gains
>>>>> or previous ccdb gains, the convergence of the iterations takes
>>>>> about the same amount of time.
>>>>>
>>>>> Question: Sean et al: it is not likely that the GlueX
>>>>> jobs/iterations will complete by April 1. We hope that more
>>>>> jobs will complete by tomorrow, perhaps offering us enough
>>>>> stats to see the layers fits and cells. If this happens *and*
>>>>> the results look good, we could discuss whether to postpone the
>>>>> launch towards the end of the week, when we hope the
>>>>> calibration should be close to complete. Thoughts?
>>>>>
>>>>> Cheers, Zisis...
>>>>>
>>>>> On Mar 27, 2020, at 1:29 PM, Sean Dobbs <sdobbs at fsu.edu
>>>>> <mailto:sdobbs at fsu.edu>> wrote:
>>>>>
>>>>> Hi Zisis and Karthik,
>>>>>
>>>>> Thanks a lot for the report. We will keep an eye on how things
>>>>> progress and modify the schedule accordingly. My jobs have been
>>>>> sitting there forever as well.
>>>>>
>>>>> Maybe we should discuss bumping up Karthik's priority on the farm,
>>>>> since this is urgent?
>>>>> An additional idea is that after this iteration, we can pull
>>>>> the files
>>>>> from tape, pin them to the cache disk, and then he can be sure that
>>>>> they are all on disk for future iterations.
>>>>>
>>>>> Cheers,
>>>>> Sean
>>>>>
>>>>> On Fri, Mar 27, 2020 at 2:32 PM Zisis Papandreou
>>>>> <zisis at uregina.ca <mailto:zisis at uregina.ca>> wrote:
>>>>>
>>>>>
>>>>> Hi everyone:
>>>>>
>>>>> we had a group meeting this morning in Regina to discuss the
>>>>> PrimEx and GlueX BCAL calibrations.
>>>>>
>>>>> PrimEx: Karthik did a quick test with runs from He with CDC on
>>>>> and sees good pi0 peaks in the Layer 1 and 2 cells, but not in
>>>>> 3 and barely anything in 4 (the last one is not expected, due
>>>>> to low penetration of showers there). The calibration from past
>>>>> GlueX runs does not show this L3 behaviour. We are still
>>>>> investigating, including checking how well the skims work, when
>>>>> there is no B-field on. Also, Karthik will look at hdview to
>>>>> see if anything interesting is observable. Assuming we fix L3,
>>>>> then calibration can proceed, where we will have to bump up the
>>>>> pi0 mass from 130 to 135. This will be a PrimEx-specific set
>>>>> of gains, entered in a suitable place in ccdb.
>>>>>
>>>>> GlueX: Sean, see Karthik’s email below. H checked and his
>>>>> account is ok, no holds on it, proper use of sqlite, etc, after
>>>>> getting advice from Mark Ito on how to do all that. As the jobs
>>>>> are at a virtual standstill, it does not look like we can make
>>>>> the April 1 launch. Of course, we can wait over the weekend
>>>>> and see if by Monday some of the jobs get executed, and then
>>>>> decide what to do then (go ahead, or delay the launch).
>>>>>
>>>>> Comments, thoughts?
>>>>>
>>>>> Cheers, Zisis…
>>>>>
>>>>> =============
>>>>>
>>>>>
>>>>> Good morning,
>>>>>
>>>>> I applied the gainratios to the existing ccdb gains and submitted a
>>>>> small test batch on the 25th of march (wednesday). The jobs has
>>>>> been in
>>>>> the depend state since then. I understand that this is because
>>>>> of a lot
>>>>> of jobs being submitted to the farm lately. However, if this
>>>>> continues,
>>>>> I am not sure if we can deliver the gains by April 1. I shall
>>>>> continue
>>>>> to do the gains and deliver it at the latest. This is in the
>>>>> top of my
>>>>> priority list.
>>>>>
>>>>> Thank you
>>>>>
>>>>> Karthik Suresh
>>>>>
>>>>> On Mar 25, 2020, at 12:20 PM, Igal Jaegle <ijaegle at jlab.org
>>>>> <mailto:ijaegle at jlab.org>> wrote:
>>>>>
>>>>> Thank you Zizis & Karthik, your help is much appreciated.
>>>>>
>>>>> tks ig.
>>>>> ________________________________
>>>>> From: Zisis Papandreou <Zisis.Papandreou at uregina.ca
>>>>> <mailto:Zisis.Papandreou at uregina.ca>>
>>>>> Sent: Wednesday, March 25, 2020 1:29 PM
>>>>> To: sdobbs at fsu.edu <mailto:sdobbs at fsu.edu> <sdobbs at fsu.edu
>>>>> <mailto:sdobbs at fsu.edu>>; Mark-Macrae Dalton <dalton at jlab.org
>>>>> <mailto:dalton at jlab.org>>; Elton Smith <elton at jlab.org
>>>>> <mailto:elton at jlab.org>>; gasparan at jlab.org
>>>>> <mailto:gasparan at jlab.org> <gasparan at jlab.org
>>>>> <mailto:gasparan at jlab.org>>; Igal Jaegle <ijaegle at jlab.org
>>>>> <mailto:ijaegle at jlab.org>>; Ilya Larin <ilarin at jlab.org
>>>>> <mailto:ilarin at jlab.org>>; Jonathan Zarling <jzarling at jlab.org
>>>>> <mailto:jzarling at jlab.org>>; lgan at jlab.org
>>>>> <mailto:lgan at jlab.org> <lgan at jlab.org <mailto:lgan at jlab.org>>;
>>>>> Alexander Somov <somov at jlab.org <mailto:somov at jlab.org>>;
>>>>> ksv656 at uregina.ca <mailto:ksv656 at uregina.ca><ksv656 at uregina.ca
>>>>> <mailto:ksv656 at uregina.ca>>
>>>>> Subject: Re: [EXTERNAL] Re: BCAL calibration status
>>>>>
>>>>> Hi Sasha and Igal:
>>>>>
>>>>> thanks for summarizing the PrimEx goals. This is helpful.
>>>>>
>>>>> Sorry that these calibrations had not bee done earlier, but
>>>>> much like City Officials, we are "complaint" driven. I wish we
>>>>> were more proactive.
>>>>>
>>>>> Anyhow, rest assured that this has a high priority now. Karthik is juggling PrimEx and the GlueX calibration (to meet
>>>>> the launch date). On the former, he may have some plots later
>>>>> in the day, and if these look ok, he can turn the crank and do
>>>>> all the runs.
>>>>>
>>>>> We will keep you posted.
>>>>>
>>>>> Cheers, Zisis...
>>>>>
>>>>>
>>>>>
>>>>> Dr. Zisis Papandreou
>>>>> Head, Department of Physics
>>>>> Professor of Physics, Ph.D, P.Phys.
>>>>> ---------------------------------------------------------
>>>>> Department of Physics
>>>>> University of Regina
>>>>> 3737 Wascana Parkway
>>>>> Regina, SK S4S 0A2 CANADA
>>>>>
>>>>> Phone: (306) 585-5379
>>>>> Fax: (306) 585-5659
>>>>> Email: zisis at uregina.ca <mailto:zisis at uregina.ca>
>>>>> Website:
>>>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.uregina.ca_science_physics_people_faculty-2Dresearch_zisis-2Dpapandreou_&d=DwIFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=qOykDDW07dxNIz2gqzRW_0sRJeff1E30DnojDqga1Jo&m=IraULg_SMVRy6o10CAjzyiksMbHSlSahZEvO70xul8U&s=y0CSWvLVbEiZEk_XK0U5rCnWl77kf4eeCdZctW_bbDk&e=
>>>>> <https://urldefense.com/v3/__https://www.uregina.ca/science/physics/people/faculty-research/zisis-papandreou/__;%21%21PhOWcWs%21lYKDfQmd6uehc2l57agVvudr58rCki-gmq37OV_v-mjsS3gAi8qT_jR1mLeUAA$>
>>>>>
>>>>> Alexander Somov <somov at jlab.org <mailto:somov at jlab.org>>
>>>>> 03/17/20 8:05 PM >>>
>>>>>
>>>>> Hi Zisis, All,
>>>>>
>>>>> I apologize for the late response, too many things
>>>>> today.
>>>>>
>>>>> As we have discussed, the BCAL calibration precision
>>>>> for PrimEx runs should be the same as for other GlueX
>>>>> runs. At least there should be no shifts in mass
>>>>> distributions of pi0, etc. We don't request anything
>>>>> special.
>>>>>
>>>>> BCAL will be used to subtract background from
>>>>> hadronic interactions.
>>>>>
>>>>> BCAL is a part of the PrimEx equipment, and PrimEx
>>>>> is the GlueX experiment, so we expect to
>>>>> receive support from the collaboration
>>>>> (BCAL group).
>>>>>
>>>>> Timeline. I Was pretty much sure that the calibration
>>>>> has already been done. Elton reported this
>>>>> when I asked about the BCAL calibration status for
>>>>> PrimEx runs during the GlueX meeting.
>>>>> Obviously it was a wrong statement (based on Igal's
>>>>> checks).
>>>>>
>>>>> ----
>>>>>
>>>>> I don't know how much work is needed to do calibration. Perhaps
>>>>> applying some simple
>>>>> corrections would be enough.
>>>>>
>>>>> Cheers,
>>>>> Sasha
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ________________________________
>>>>> From: Zisis Papandreou <Zisis.Papandreou at uregina.ca
>>>>> <mailto:Zisis.Papandreou at uregina.ca>>
>>>>> Sent: Tuesday, March 17, 2020 9:25 AM
>>>>> To: sdobbs at fsu.edu <mailto:sdobbs at fsu.edu> <sdobbs at fsu.edu
>>>>> <mailto:sdobbs at fsu.edu>>; Mark-Macrae Dalton <dalton at jlab.org
>>>>> <mailto:dalton at jlab.org>>; Elton Smith <elton at jlab.org
>>>>> <mailto:elton at jlab.org>>; Igal Jaegle <ijaegle at jlab.org
>>>>> <mailto:ijaegle at jlab.org>>; Jonathan Zarling <jzarling at jlab.org
>>>>> <mailto:jzarling at jlab.org>>; Alexander Somov <somov at jlab.org
>>>>> <mailto:somov at jlab.org>>; ksv656 at uregina.ca
>>>>> <mailto:ksv656 at uregina.ca><ksv656 at uregina.ca
>>>>> <mailto:ksv656 at uregina.ca>>
>>>>> Subject: [EXTERNAL] Re: BCAL calibration status
>>>>>
>>>>> Hello Igal et al:
>>>>>
>>>>> yes, work is being done: jobs are running on the calibration
>>>>> and MC studies are also being carried out. While we wait for
>>>>> those, this is a good time to get "organized".
>>>>>
>>>>> In our group, we are not sure of what the objectives and
>>>>> priorities are for the Primex runs, particularly as they
>>>>> pertain to the BCAL
>>>>>
>>>>> Igal, can you or Sasha, perhaps make a few slides or write a
>>>>> one-pager, explaining those objectives? It would be good if
>>>>> there were timelines (of what you are trying to extract from
>>>>> the data) or the tasks listed in order of priority. We could
>>>>> then go over those at this Thursday's Calorimetry meeting.
>>>>>
>>>>> The reason we ask for this is that the Regina crew has other
>>>>> tasks on their plates and we should optimize our collective
>>>>> operations. In parallel, Karthik and Varun are studying to
>>>>> take their Ph.D. Comprehensive exams in May.
>>>>>
>>>>> Thanks and best regards, Zisis...
>>>>>
>>>>>
>>>>>
>>>>> Dr. Zisis Papandreou
>>>>> Head, Department of Physics
>>>>> Professor of Physics, Ph.D, P.Phys.
>>>>> ---------------------------------------------------------
>>>>> Department of Physics
>>>>> University of Regina
>>>>> 3737 Wascana Parkway
>>>>> Regina, SK S4S 0A2 CANADA
>>>>>
>>>>> Phone: (306) 585-5379
>>>>> Fax: (306) 585-5659
>>>>> Email: zisis at uregina.ca <mailto:zisis at uregina.ca>
>>>>> Website:
>>>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.uregina.ca_science_physics_people_faculty-2Dresearch_zisis-2Dpapandreou_&d=DwIFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=qOykDDW07dxNIz2gqzRW_0sRJeff1E30DnojDqga1Jo&m=IraULg_SMVRy6o10CAjzyiksMbHSlSahZEvO70xul8U&s=y0CSWvLVbEiZEk_XK0U5rCnWl77kf4eeCdZctW_bbDk&e=
>>>>> <https://urldefense.com/v3/__https://www.uregina.ca/science/physics/people/faculty-research/zisis-papandreou/__;%21%21PhOWcWs%21lYKDfQmd6uehc2l57agVvudr58rCki-gmq37OV_v-mjsS3gAi8qT_jR1mLeUAA$>
>>>>>
>>>>> Igal Jaegle <ijaegle at jlab.org <mailto:ijaegle at jlab.org>>
>>>>> 03/17/20 3:59 AM >>>
>>>>>
>>>>> BCAL colleagues,
>>>>>
>>>>> Do you have any news for the BCAL calibration of the PrimEX-D
>>>>> measurements?
>>>>>
>>>>> tks ig.
>>>>>
>>>>>
>>>>>
>>>>> Dr. Zisis Papandreou
>>>>> Head, Department of Physics
>>>>> Professor of Physics, Ph.D., P.Phys.
>>>>> ---------------------------------------------------------
>>>>> Department of Physics
>>>>> University of Regina
>>>>> 3737 Wascana Parkway
>>>>> Regina, SK S4S 0A2 CANADA
>>>>>
>>>>> Phone: (306) 585-5379
>>>>> Fax: (306) 585-5659
>>>>> Email: zisis at uregina.ca <mailto:zisis at uregina.ca>
>>>>> Website:
>>>>> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.uregina.ca_science_physics_people_faculty-2Dresearch_zisis-2Dpapandreou_index.html&d=DwIFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=qOykDDW07dxNIz2gqzRW_0sRJeff1E30DnojDqga1Jo&m=IraULg_SMVRy6o10CAjzyiksMbHSlSahZEvO70xul8U&s=pa_RD1qwpbm7Bz3DvnBarc4rkv8Wk-e7WOv4ydBypbE&e=
>>>>> <https://urldefense.com/v3/__http://www.uregina.ca/science/physics/people/faculty-research/zisis-papandreou/index.html__;%21%21PhOWcWs%21lYKDfQmd6uehc2l57agVvudr58rCki-gmq37OV_v-mjsS3gAi8qT_jQSb9zAng$>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Dr. Zisis Papandreou
>>>>> Head, Department of Physics
>>>>> Professor of Physics, Ph.D., P.Phys.
>>>>> ---------------------------------------------------------
>>>>> Department of Physics
>>>>> University of Regina
>>>>> 3737 Wascana Parkway
>>>>> Regina, SK S4S 0A2 CANADA
>>>>>
>>>>> Phone: (306) 585-5379
>>>>> Fax: (306) 585-5659
>>>>> Email: zisis at uregina.ca <mailto:zisis at uregina.ca>
>>>>> Website:
>>>>> https://urldefense.proofpoint.com/v2/url?u=http-3A__www.uregina.ca_science_physics_people_faculty-2Dresearch_zisis-2Dpapandreou_index.html&d=DwIFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=qOykDDW07dxNIz2gqzRW_0sRJeff1E30DnojDqga1Jo&m=IraULg_SMVRy6o10CAjzyiksMbHSlSahZEvO70xul8U&s=pa_RD1qwpbm7Bz3DvnBarc4rkv8Wk-e7WOv4ydBypbE&e=
>>>>> <https://urldefense.com/v3/__http://www.uregina.ca/science/physics/people/faculty-research/zisis-papandreou/index.html__;%21%21PhOWcWs%21lYKDfQmd6uehc2l57agVvudr58rCki-gmq37OV_v-mjsS3gAi8qT_jQSb9zAng$>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>
>>
>>
>>
>>
>> Dr. Zisis Papandreou
>> Head, Department of Physics
>> Professor of Physics, Ph.D., P.Phys.
>> ---------------------------------------------------------
>> Department of Physics
>> University of Regina
>> 3737 Wascana Parkway
>> Regina, SK S4S 0A2 CANADA
>>
>> *Phone: (306) 585-5379*
>> Fax: (306) 585-5659
>> Email: zisis at uregina.ca <mailto:zisis at uregina.ca>
>> Website: https://urldefense.proofpoint.com/v2/url?u=http-3A__www.uregina.ca_science_physics_people_faculty-2Dresearch_zisis-2Dpapandreou_index.html&d=DwIFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=qOykDDW07dxNIz2gqzRW_0sRJeff1E30DnojDqga1Jo&m=IraULg_SMVRy6o10CAjzyiksMbHSlSahZEvO70xul8U&s=pa_RD1qwpbm7Bz3DvnBarc4rkv8Wk-e7WOv4ydBypbE&e= <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.uregina.ca_science_physics_people_faculty-2Dresearch_zisis-2Dpapandreou_index.html&d=DwMFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=c-_tH8evYLC4MjBfbp0hiQ&m=L9K-OoIwqk5DKjlr1cfFyqg-V-On_gBLT7g_-xpoYVw&s=YY00N7HeNHCOuCtrD_QDLjdQMkkLKhs2Wd-UwIQijKk&e=>
>>
>>
>>
>>
>>
>>
>>
>
More information about the Halld-cal
mailing list