Mean pT in z bins
I looked into the mean transverse momentum for pions and jets in each of my z bins. First, here’s a comparison of data (black points) and Monte Carlo (red lines) for the BJP1 trigger:
It looks good to me, so I went on to compare simulations for jet patch and minimum-bias triggers:
In hindsight, this plot makes perfect sense — the trigger hardens the pT spectrum for the jets, so each JP z bin (which integrates over 10-25 GeV) has a higher average jet p_{T} than the MB version.
Now, this 3 GeV p_{T} shift means that we’re biasing the sample in each z bin towards higher x. This is almost certainly the source of the observed trigger bias in the Monte Carlo asymmetries for π+. So, what’s the next step?
Writing and Editing Guidelines
Updated on Thu, 2008-09-25 03:11. Originally created by lbarnby on 2008-09-24 03:36.A former classmate of mine from 6th Form College (equivalent to final two years of high school) is now a professional writer and editor.
data volume (strips)
Updated on Tue, 2008-09-30 16:19. Originally created by bouchet on 2008-09-22 12:42.Number of strips fired per wafer and per side :
PPV Revision 1.29 - A closer look at unmatched PPV vpd Events
Updated on Sun, 2008-09-21 13:39. Originally created by rjreed on 2008-09-21 13:39.Further details to follow when I'm someplace with civilized internet access.
triggers are: bbc+bh1-mb+etot-mb-l2+jpt-mb-l2+bh2-mb-slow
PPV Revision 1.29 Z radius change evaluation
Updated on Sun, 2008-09-21 13:08. Originally created by rjreed on 2008-09-21 13:08.I will fill in further details once I get to a place with real internet access.
Definition of match |vpd - vz rank 0| < 20 cm
Follow-up on ticket 1285
Updated on Thu, 2008-09-18 13:14. Originally created by jeromel on 2008-09-18 11:46.Following on this ticket, can I reproduce the problem by cut-and-paste from an Email?
PPV Revision 1.29 +low pt- high luminosity fmsslow trigger evaluation Part 2
Updated on Mon, 2008-09-15 19:57. Originally created by rjreed on 2008-09-15 19:56.BTOW/BSMD Geometry Changes
Updated on Mon, 2008-09-15 12:27. Originally created by trent on 2008-09-15 12:19.
Jan Balewski noticed many problems with the GSTAR implementation of BTOW/BSMDBPRS
geometry
2008 Status Tables
Updated on Mon, 2008-09-15 13:15. Originally created by mattheww on 2008-09-15 11:56.Stephen noticed something peculiar in some spectra I sent him which led me to discover what looks like a problem in the status tables.
Calorimeter tower calibration history
Updated on Mon, 2008-09-15 16:27. Originally created by genevb on 2008-09-15 11:53.In preparation for the upcoming calorimeter calibration workshop, I wanted to organize a bit the history of past calorimeter calibration work.