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History: Livetime

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Types of livetime

When an event of interest occurs and leaves a sufficiently large signal in our detector, it still might not be readout due to the front-end electronics or the DAQ system being "dead" at that time. Here I discuss two types of deadtime in our experiment:
* Electronic (or front-end) deadtime
* DAQ deadtime

They are important for the asymmetry measurement since they are a function of the trigger rate and could, in principle, be different for the two helicity states.


Electronic deadtime


DAQ deadtime
This is the simpler deadtime to measure and understand.

References

W.R. Leo, Techniques for Nuclear and Particle Physics Experiments: A How-to Approach, Second Edition. (Springer-Verlag, Berlin, Heidelberg 1994)


History

Legend: v=view, s=source
Date User IpComment Version Action
Tue 09 of Jan, 2007 [14:17 UTC] feuerbac129.57.122.44  12
current
 v  s
Tue 09 of Jan, 2007 [14:12 UTC] feuerbac129.57.122.44add description of electronic livetime 11  v  s  
Tue 09 of Jan, 2007 [14:09 UTC] feuerbac129.57.122.44  10  v  s  
Mon 08 of Jan, 2007 [20:43 UTC] feuerbac129.57.122.44  9  v  s  
Mon 18 of Dec, 2006 [13:35 UTC] feuerbac129.57.122.44  8  v  s  
Fri 15 of Dec, 2006 [22:13 UTC] feuerbac129.57.122.44  7  v  s  
Thu 14 of Dec, 2006 [21:21 UTC] feuerbac129.57.122.44  6  v  s  
Thu 14 of Dec, 2006 [19:33 UTC] feuerbac129.57.122.44  5  v  s  
Thu 14 of Dec, 2006 [18:03 UTC] feuerbac129.57.122.44  4  v  s  
Thu 14 of Dec, 2006 [17:18 UTC] feuerbac129.57.122.44  3  v  s  
Thu 14 of Dec, 2006 [17:17 UTC] feuerbac129.57.122.44  2  v  s  
Thu 14 of Dec, 2006 [15:40 UTC] feuerbac129.57.122.44  1  v  s  

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