sPHENIX tracking discussion

["Frawley, Anthony" <afrawley AT fsu.edu>]

Hi Chris,

Thanks, the results look very good for the strip cluster distributions.

Tony

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From: sPHENIX-tracking-l <sphenix-tracking-l-bounces AT lists.bnl.gov> on behalf of pinkenburg <pinkenburg AT bnl.gov>
Sent: Monday, April 24, 2017 7:02 PM
To: sphenix-tracking-l AT lists.bnl.gov
Subject: Re: [Sphenix-tracking-l] INTT cluster fix

 

Hi All,

I found a way to avoid those overlaps completely by reducing the size of the strips by 1/10000th of their size. Previously I had increased the size of the envelope and adjusted the parametrization but I guess I didn't make that consistent. With that change those weird hits are gone (at least for the 1mio pions I checked) but I left the check for them intact. It'll be active with the next build but the changes for the hits are minute.

Chris

On 4/24/2017 4:14 PM, Frawley, Anthony wrote:

Hi All,

Chris just merged a fix to the INTT cluster problem that Haiwang pointed out in Friday's tracking meeting. All changes are in the g4detectors directory. I just checked it out and tried it, and the cluster distributions now look good (cluster position RMS is 29 microns, no offset).

Cheers

Tony

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Christopher H. Pinkenburg	;    pinkenburg AT bnl.gov
				;    http://www.phenix.bnl.gov/~pinkenbu

Brookhaven National Laboratory	;    phone: (631) 344-5692
Physics Department Bldg 510 C	;    fax:   (631) 344-3253
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