[Clas12_verystrange] Banks, trigger bits and Link to presentation

[Michael Dugger]

Shankar,

That is great news. Thanks a bunch :)

Take care,
Michael

On Mon, 30 Apr 2018, Shankar Adhikari wrote:

> Hi Mike,
>
> I have a filtered file which only have those banks you asked for along with
> "RUN::config" , "Run::rf" and "RUN::trigger".
> Please look at the location below. It includes all the files of run number
> 3050 that are located in /volatile/clas12/data/rg-a/pass0/tag5b.3.3/.
> I merged 686 files to a single file.
>
> /w/hallb-scifs17exp/clas12/shankar/pass0/tag5b.3.3
>
> Please let me know if you have any question.
>
> Thank you
>
> Shankar
>
> On Wed, Apr 25, 2018 at 1:16 PM, Michael Dugger <dugger at jlab.org> wrote:
>
>>
>> Hi,
>>
>> We need to get a preliminary bank list setup so that Shankar
>> can start filtering files. Most likely, any bank list we make
>> right now will need to be updated in the near future. We just
>> want a preliminary list to get us started.
>>
>> Please send a bank list to Shankar <sadhi003 at fiu.edu> by
>> tomorrow so he can start filtering files.
>>
>> A big thanks to Shankar for volunteering to filter files for
>> us!
>>
>> To get us started, here is my preliminary bank list:
>>
>> REC_Particle
>> REC_Scintillator
>> REC_ForwardTagger
>> REC_Event
>> FT_particles
>> FTCAL_clusters
>>
>> Link to my presentation today:
>>
>> https://userweb.jlab.org/~dugger/veryStrange/realDataV4b.pdf
>>
>> Trigger bits:
>>
>> I am using a ROOT based analysis where the trigger bits can be found using
>> the code:
>>
>> #include <bitset>
>> int getBit(int n, int k)
>> {
>>   return (n & (1<<k)) != 0;
>> }
>>
>> where n comes from REC_Event_TRG and k is the trigger bit of interest.
>>
>> For example, if I want to get the value of trigger bit 0, I have
>>
>> int trg0 = getBit(myTree.REC_Event_TRG->at(0),0);
>>
>> A picture of trigger bits can be found at (sent to me by Benjamin Raydo):
>>
>> https://userweb.jlab.org/~dugger/veryStrange/clonpc13_20180412_074234.gif
>>
>> Note: The trigger bits have not been locked down. The bits can be defined
>> differently for some runs. Benjamin Raydo sent me a list for run 3050:
>>
>> "
>> Here is a summary of the trigger configuration for run 3050:
>>
>> Triggerbit  Description
>> 0           Electron (all sectors):
>>                HTCC x PCAL>60MeV x ECAL>10MeV x (ECAL+PCAL)>150MeV
>>                   +
>>                HTCC x PCAL>150MeV
>>
>> 1-6         Electron (per sector), same definition as above
>>
>> 7-12        HTCC (per sector)
>>
>> 13-18       PCAL>60MeV (per sector)
>>
>> 19-24       ECAL>10MeV (per sector)
>>
>> 25          HTCC x PCAL>60MeV (all sectors)
>>
>> 26          HTCC x PCAL>150MeV (all sectors)
>>
>> 27          PCAL>60MeV x ECAL>10MeV (all sectors)
>>
>> 28          PCAL>10MeV x FTOF (all sectors)
>>
>> 29          8000MeV>FTCAL>100MeV
>>
>> 30          8000MeV>FTCAL>500MeV
>>
>> 31          Pulser @ 1kHz
>> "
>>
>> Take care,
>> Michael
>>
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>>
>