[G12] Questions on the Database

Michael C. Kunkel mkunkel at jlab.org
Tue Nov 27 16:15:10 EST 2012


Greetings G12r's

I have been comparing values for calib_user.RunIndex12 of run 56855 to 
run 10. Run 56855 is the data calibration and run 10 should be our 
Monte-Carlo calibration. Upon comparison I have the following question:

1) For 
<http://clasweb.jlab.org/cgi-bin/caldb/cct.pl?hostnameaa=clasdb.jlab.org;hostnamebb=clasdb.jlab.org;runindexaa=calib_user.RunIndexg12;runindexbb=calib_user.RunIndexg12;runaa=56855;runbb=10;submit=477;mapdir=;mapget=>RUN_CONTROL_currents_torus 
<http://clasweb.jlab.org/cgi-bin/caldb/cct.pl?hostnameaa=clasdb.jlab.org;hostnamebb=clasdb.jlab.org;runindexaa=calib_user.RunIndexg12;runindexbb=calib_user.RunIndexg12;runaa=56855;runbb=10;submit=477;mapdir=;mapget=> 
values differ:  1920 for run 56855;  0.976801 for run 10 .  Why?

http://clasweb.jlab.org/cgi-bin/caldb/cct.pl?hostnameaa=clasdb.jlab.org;hostnamebb=clasdb.jlab.org;runindexaa=calib_user.RunIndexg12;runindexbb=calib_user.RunIndexg12;runaa=56855;runbb=10;submit=477;mapdir=;mapget= 


2) _RUN_CONTROL_beam type_ values differ : 5711.94 for run 56855; 
5653.04 for run 10 (units MeV)
http://clasweb.jlab.org/cgi-bin/caldb/cct.pl?hostnameaa=clasdb.jlab.org;hostnamebb=clasdb.jlab.org;runindexaa=calib_user.RunIndexg12;runindexbb=calib_user.RunIndexg12;runaa=56855;runbb=10;submit=468;mapdir=;mapget=

3) _RUN_CONTROL_beam energy_ values differ : 4 for run 56855 (photon); 0 
for run 10 (electron). Does this matter for GSIM?
http://clasweb.jlab.org/cgi-bin/caldb/cct.pl?hostnameaa=clasdb.jlab.org;hostnamebb=clasdb.jlab.org;runindexaa=calib_user.RunIndexg12;runindexbb=calib_user.RunIndexg12;runaa=56855;runbb=10;submit=469;mapdir=;mapget=


4) For _RUN_CONTROL_currents tagger_ the values differ: 2056.5 for run 
56855; 2044.44 for run 10 (units nA).

Is there reasons for these values to be different from each other?

BR
MK


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