[Halld-pid] Fwd: [Halld-level1] [New Logentry] TOF cluster finding Level-1 trigger algorithm testing

[Mark Ito]

from Sascha Somov, FYI


-------- Forwarded Message --------
Subject: 	[Halld-level1] [New Logentry] TOF cluster finding Level-1 
trigger algorithm testing
Date: 	Fri, 5 Dec 2014 01:15:01 -0500 (EST)
From: 	somov at jlab.org
To: 	halld-level1 at jlab.org



  TOF cluster finding Level-1 trigger algorithm testing
  <https://logbooks.jlab.org/entry/3310760>

Lognumber 3310760 <https://logbooks.jlab.org/entry/3310760>. Submitted 
by somov <https://logbooks.jlab.org/user/somov> on Fri, 12/05/2014 - 01:12.

Logbooks: 	HDLOG <https://logbooks.jlab.org/book/hdlog> HDTRIGGER 
<https://logbooks.jlab.org/book/hdtrigger>
Entry Makers: 	somov

Another milestone in the trigger algorithm testing with a beam.

Cluster finding:
1. Hits are required on both ends of a long bar (single hit for short bars)
2. A coincidence of at least one horizontal and one vertical bar is 
required to
produce a trigger.

In the plot below, a coincidence is searched between any of 5 vertical 
and 5 horizontal
bars in the upper right corner of the TOF, i.e., in every event there 
should be a space
point (coincidence of paddles) in the upper right corner.

File /TOF/data/trig_51.0
TOF stand alone

2x10^-5 radiator, 100 nA



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