Re: BCAL simulations/data comparison

- the MC points are simply the means of the distributions. The RMS of sectors and layers is quite large, as one would expect, even within each 8 MeV tagger energy bin. At the meeting we will be happy to exchange ideas on how to proceed with fitting these distributions that have wildly different shapes (from almost Gaussian to almost purely exponential).

- the Monte Carlo in Alex's plot was run with no 'threshold' cut on the individual deposited energies in each segment. A lone cut on the total energy deposited in all fibers (all segments) was required to be greater than zero, and this was applied to sector and layer combinations (a poor man's zero suppression).

On Jul 20, 2007, at 6:09 AM, Alex Dzierba wrote:

Hi All

I just realized that the pdf attachment to my previous

e-mail (see below) may cause this to bounce. You can also

find the file here:

http://dustbunny.physics.indiana.edu/~dzierba/BCAL_sim_data.pdf

Cheers

Alex

---------- previously sent:

Zisis recently re-ran the Monte Carlo BCAL simulations for
Run 2334 to estimate fractional energy deposition per layer
and I re-computed the fractions from the data using the calibration
obtained from cosmic data. Results are compared - see attached.

Alex

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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Alex R. Dzierba
Chancellor's Professor of Physics (Emeritus)
Department of Physics / Indiana U / Bloomington IN 47405 / 812-855-9421
JLab Visiting Fellow
Jefferson Lab / 12000 Jefferson Ave / Newport News, VA 23606 / 757-269-7577
Home Phone: 812-825-4063 Cell: 812-327-1881 Fax: 866-541-1263

http://dustbunny.physics.indiana.edu/~dzierba/
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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Dr. Zisis Papandreou | email: zisis@uregina.ca

Department of Physics | tel. : (306) 585-5379

University of Regina | tel. : (306) 585-4149

Regina, SK S4S 0A2 | fax. : (306) 585-5659

World Wide Web: http://www.phys.uregina.ca/sparro/zisis/