[Eg6_analysis] EC_Time

Lamiaa El Fassi elfassi at jlab.org
Sat Nov 6 17:01:53 EDT 2010


Hi Stepan,

I have processed one file of each 5.7GeV runs to check the T0 time
correction that
Bayram applied to the EC timing.
You can see the result of this test on the "pass0_vec1" table on the online
monitoring
web page:
http://www.jlab.org/Hall-B/secure/eg6/cooking/online_sql/monitor.html
It seems that the correction works very well for the whole run range.

Best regards,

Lamiaa

************************************************************
*  Lamiaa El Fassi             email: elfassi at jlab.org
*  Research Associate @ Rutgers University
*  Phone: (757) 269-7011 // Fax: (757) 269-5703
*  Jefferson Lab., 12000 Jefferson Ave.
*  Suite# 4, MS 12H3
*  Newport News, VA. 23606
************************************************************


On Thu, Nov 4, 2010 at 10:29 AM, Stepan Stepanyan <stepanya at jlab.org> wrote:

>  Lamiaa,
>
> That sounds great, please do so if you have time.
>
> Thanks, Stepan
>
>
> On 11/4/10 11:27 AM, Lamiaa El Fassi wrote:
>
> Hi Bayram,
>
> I checked couple of EC_CALIB subsystems, it seems you have updated all of
> them with your new constants.
>
> I am thinking to process one file from each 5.7GeV runs to check the effect
> of this timing change
> on all of them. How that sound for you?
>
> Best,
>
> Lamiaa
>
> ************************************************************
> *  Lamiaa El Fassi             email: elfassi at jlab.org
> *  Research Associate @ Rutgers University
> *  Phone: (757) 269-7011 // Fax: (757) 269-5703
> *  Jefferson Lab., 12000 Jefferson Ave.
> *  Suite# 4, MS 12H3
> *  Newport News, VA. 23606
> ************************************************************
>
>
> On Thu, Nov 4, 2010 at 10:13 AM, bayram torayew <bayramtore at gmail.com>
> wrote:
>
>> I wrote new constants to the DB. Can you check whether it is OK or not?
>>
>>  Thanks,
>>   Bayram
>>
>>
>> On Thu, Nov 4, 2010 at 11:01 AM, Lamiaa El Fassi <elfassi at jlab.org>
>> wrote:
>>
>>> Hi Bayram,
>>>
>>> I was waiting your reply, so I didn't do it yet.
>>>
>>> Please go ahead and link you new constants to all 5.7GeV runs
>>> [60600-61215].
>>>
>>> Cheers,
>>>
>>>
>>> Lamiaa
>>>
>>> ************************************************************
>>> *  Lamiaa El Fassi             email: elfassi at jlab.org
>>> *  Research Associate @ Rutgers University
>>> *  Phone: (757) 269-7011 // Fax: (757) 269-5703
>>> *  Jefferson Lab., 12000 Jefferson Ave.
>>> *  Suite# 4, MS 12H3
>>> *  Newport News, VA. 23606
>>> ************************************************************
>>>
>>>
>>>   On Thu, Nov 4, 2010 at 9:43 AM, bayram torayew <bayramtore at gmail.com>
>>> wrote:
>>>
>>>> Hello Lamia,
>>>>
>>>>  If you did not write constants to all 5.7 GeV runs, I can do it.
>>>>
>>>>  Thanks,
>>>>   Bayram
>>>>
>>>>
>>>> On Wed, Nov 3, 2010 at 3:36 PM, Lamiaa El Fassi <elfassi at jlab.org>
>>>> wrote:
>>>>
>>>>> Hi Bayram,
>>>>>
>>>>> As a clarification to the comparison of the first histogram 6600 that
>>>>> you sent in your file.
>>>>> I produced a similar ones but after showing the fit result on them. The
>>>>> attached file "ect61107_pass0v1.eps" and "ect61107_ec4.eps" contains the fit
>>>>> result of histograms 6600
>>>>> (only file 01 of a run 61107) from previous pass0_v1 and yesterday's
>>>>> test. By looking to the
>>>>> second fit parameter "P2" you will notice the effect of the 150ps
>>>>> correction that you did.
>>>>> The P2 is the variable that we store in CSQL database as the mean of
>>>>> the ECt-SCt, and we
>>>>> are monitoring online.
>>>>> As a reference, I grabbed the two table below from the CSQL database.
>>>>> The first table contains
>>>>> some ECt and RF variables from pass0_v1, and the second table contains
>>>>> the same variables
>>>>> after T0 correction. By comparing the meanECt between the two tables,
>>>>> it's clear that the
>>>>> correction works very well.
>>>>>
>>>>> mysql> select  time, runno, runext,meanECt, sigmaECt, meanRF, sigmaRF
>>>>> from pass0_v1 where runno=61107;
>>>>>
>>>>>
>>>>> +----------------+-------+--------+-----------+----------+-----------+----------+-----------------------
>>>>> | time                   | runno | runext | meanECt | sigmaECt | meanRF
>>>>> | sigmaRF  |
>>>>>
>>>>> +----------------+-------+--------+-----------+----------+-----------+----------+-----------------------
>>>>> | 20100927123809 | 61107 |      2 | -0.137183 | 0.283532 |  0.000295 |
>>>>> 1.53583 |
>>>>> | 20100927123829 | 61107 |      0 | -0.145314 | 0.273189 | -0.009556 |
>>>>> 0.232634 |
>>>>> | 20100927123836 | 61107 |      1 | -0.140297 | 0.278291 |   -715.91 |
>>>>> 262.525 |
>>>>> | 20100927123918 | 61107 |    199 | -0.131658 | 0.279846 | -0.000243 |
>>>>> 6.04733 |
>>>>> | 20100927123921 | 61107 |      7 | -0.146954 | 0.272927 | -0.009928 |
>>>>> 7.66647 |
>>>>> | 20100927124003 | 61107 |    198 |  -0.13663 | 0.285362 | -0.000978 |
>>>>> 0.351751 |
>>>>> | 20100927124154 | 61107 |      6 | -0.132169 | 0.281154 |   0.00262 |
>>>>> 1.53238 |
>>>>> | 20100927124216 | 61107 |      5 | -0.136083 | 0.279424 | -0.013988 |
>>>>> 0.323303 |
>>>>> | 20100927125143 | 61107 |      4 | -0.135444 | 0.290308 | -0.099548 |
>>>>> 0.003567 |
>>>>> | 20100927125651 | 61107 |      3 | -0.141135 | 0.286162 | -0.015248 |
>>>>> 6.66342 |
>>>>>
>>>>> +----------------+-------+--------+-----------+----------+-----------+----------+-------------------------
>>>>>
>>>>> mysql> select  time, runno, runext,meanECt, sigmaECt, meanRF, sigmaRF
>>>>> from ec_calib where runno=61107 && time>20101102000000 && (runext<=10 ||
>>>>> runext=198 || runext=199);
>>>>>
>>>>> +----------------+-------+--------+----------+----------+-----------+----------+----------------------
>>>>> | time                   | runno | runext | meanECt| sigmaECt | meanRF
>>>>> | sigmaRF  |
>>>>>
>>>>> +----------------+-------+--------+----------+----------+-----------+----------+-----------------------
>>>>> | 20101103085747 | 61107 |      1 | 0.009278 | 0.278218 | -0.013734 |
>>>>> 0.367396 |
>>>>> | 20101103090524 | 61107 |      2 |  0.01248 | 0.286261 |  0.000757 |
>>>>> 0.166415 |
>>>>> | 20101103091036 | 61107 |     10 | 0.017908 | 0.282665 | -0.019994 |
>>>>> 0.004426 |
>>>>> | 20101103091044 | 61107 |      3 |  0.00888 | 0.286028 | -0.014068 |
>>>>> 18.3328 |
>>>>> | 20101103091106 | 61107 |    198 | 0.012264 | 0.288957 |  0.000254 |
>>>>> 0.341149 |
>>>>> | 20101103091111 | 61107 |      0 | 0.003021 | 0.279989 | -0.002451 |
>>>>> 1.08812 |
>>>>> | 20101103091643 | 61107 |    199 | 0.016746 | 0.283369 | -0.010677 |
>>>>> 0.277356 |
>>>>> | 20101103091803 | 61107 |      6 | 0.016062 |  0.28398 |  0.008187 |
>>>>> 0.310647 |
>>>>> | 20101103091825 | 61107 |      7 | 0.006204 | 0.281322 | -0.005417 |
>>>>> 0.355592 |
>>>>> | 20101103092425 | 61107 |      4 | 0.012366 | 0.300597 | -0.029244 |
>>>>> 20.2786 |
>>>>> | 20101103092430 | 61107 |      5 | 0.013586 |  0.28063 | -0.018597 |
>>>>> 2.75205 |
>>>>>
>>>>> +----------------+-------+--------+----------+----------+-----------+----------+------------------------
>>>>>
>>>>> Best,
>>>>>
>>>>> Lamiaa
>>>>>
>>>>> PS: Please let me know if you will link the 61107 constants to the
>>>>> whole 5.7 GeV run range [60600-61215]
>>>>>
>>>>>
>>>>> ************************************************************
>>>>> *  Lamiaa El Fassi             email: elfassi at jlab.org
>>>>> *  Research Associate @ Rutgers University
>>>>> *  Phone: (757) 269-7011 // Fax: (757) 269-5703
>>>>> *  Jefferson Lab., 12000 Jefferson Ave.
>>>>> *  Suite# 4, MS 12H3
>>>>> *  Newport News, VA. 23606
>>>>> ************************************************************
>>>>>
>>>>>
>>>>>   On Wed, Nov 3, 2010 at 11:17 AM, bayram torayew <
>>>>> bayramtore at gmail.com> wrote:
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>>  I attached three (6600, 6620, and 6641) histograms to compare new
>>>>>> const. with old const.
>>>>>>
>>>>>>  /w/hallb/claseg6/btorayev/ec_time/test_61107/
>>>>>>    for old constants.
>>>>>> /w/hallb/claseg6/btorayev/ec_time/test_61107_new_const/         for
>>>>>> new constants.
>>>>>>
>>>>>>  Thanks,
>>>>>>   Bayram
>>>>>>
>>>>>> On Wed, Nov 3, 2010 at 11:37 AM, Stepan Stepanyan <stepanya at jlab.org>
>>>>>> wrote:
>>>>>>
>>>>>>>  Yes Lamiaa, constants are good for that runs.
>>>>>>>
>>>>>>> Stepan
>>>>>>>
>>>>>>>
>>>>>>> On 11/3/10 11:15 AM, Lamiaa El Fassi wrote:
>>>>>>>
>>>>>>> Hi Stepan,
>>>>>>>
>>>>>>> That means we can link the new EC timing constants of a run 61107 to
>>>>>>> the whole 5.7 GeV runs.
>>>>>>>
>>>>>>> Bayram: Do you want to do that or shall I do it?
>>>>>>>
>>>>>>> Best,
>>>>>>>
>>>>>>> Lamiaa
>>>>>>>
>>>>>>> ************************************************************
>>>>>>> *  Lamiaa El Fassi             email: elfassi at jlab.org
>>>>>>> *  Research Associate @ Rutgers University
>>>>>>> *  Phone: (757) 269-7011 // Fax: (757) 269-5703
>>>>>>> *  Jefferson Lab., 12000 Jefferson Ave.
>>>>>>> *  Suite# 4, MS 12H3
>>>>>>> *  Newport News, VA. 23606
>>>>>>> ************************************************************
>>>>>>>
>>>>>>>
>>>>>>> On Wed, Nov 3, 2010 at 9:56 AM, Stepan Stepanyan <stepanya at jlab.org>
>>>>>>> wrote:
>>>>>>>
>>>>>>>>  Hi guys,
>>>>>>>>
>>>>>>>> I checked few histogram files and things look quite good.
>>>>>>>> Electron vertex time offset is ~20 ps (histogram 6600) and
>>>>>>>> beta for neutrals is at ~1.003 (histogram 6620).
>>>>>>>> So, corrections worked.
>>>>>>>>
>>>>>>>> Stepan
>>>>>>>>
>>>>>>>> On 11/3/10 10:16 AM, Lamiaa El Fassi wrote:
>>>>>>>>
>>>>>>>> Hi Bayram,
>>>>>>>>
>>>>>>>> I processed 50 files of a run 61107. A 90% of these cooked files are
>>>>>>>> already done.
>>>>>>>> You can access the BOS, ANAHIST and the SEB ntuple files
>>>>>>>> respectively at the
>>>>>>>> subdirectories BOS, anaht and paw of the main trunk:
>>>>>>>>
>>>>>>>> /work/clas/claseg6/top_dir/ec_calib/pass0_ec4/
>>>>>>>>
>>>>>>>> Best,
>>>>>>>>
>>>>>>>> Lamiaa
>>>>>>>>
>>>>>>>> ************************************************************
>>>>>>>> *  Lamiaa El Fassi             email: elfassi at jlab.org
>>>>>>>> *  Research Associate @ Rutgers University
>>>>>>>> *  Phone: (757) 269-7011 // Fax: (757) 269-5703
>>>>>>>> *  Jefferson Lab., 12000 Jefferson Ave.
>>>>>>>> *  Suite# 4, MS 12H3
>>>>>>>> *  Newport News, VA. 23606
>>>>>>>> ************************************************************
>>>>>>>>
>>>>>>>>
>>>>>>>> On Tue, Nov 2, 2010 at 10:29 PM, bayram torayew <
>>>>>>>> bayramtore at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Hello Lamia,
>>>>>>>>>
>>>>>>>>>  I wrote new constants (150 ps is added to To ) to the DB for
>>>>>>>>> run61107. Could you please cook this run?
>>>>>>>>>
>>>>>>>>>  Thanks,
>>>>>>>>>   Bayram
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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