Difference between revisions of "05/13/2011 timing test"

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'''Let's do the timing test'''. The distances are between PS1+PS2 and n's PMT. The time is time difference between PS1(PS2) and n's detector signals  
 
'''Let's do the timing test'''. The distances are between PS1+PS2 and n's PMT. The time is time difference between PS1(PS2) and n's detector signals  
 
{| border="1" cellspacing="0" style="text-align: center; width: 800px; height: 100px;"
 
{| border="1" cellspacing="0" style="text-align: center; width: 800px; height: 100px;"
−
! scope="col" width="50" | dist. between PS1(PS2) and n's PMT
+
! scope="col" width="50" | N
−
! scope="col" width="50" | time difference
+
! scope="col" width="50" | 80 cm
 +
! scope="col" width="50" | 70 cm
 +
! scope="col" width="50" | 60 cm
 +
! scope="col" width="50" | 50 cm
 +
! scope="col" width="50" | 40 cm
 +
! scope="col" width="50" | 30 cm
 +
! scope="col" width="50" | 20 cm
 +
! scope="col" width="50" | 10 cm
 +
! scope="col" width="50" |  0 cm
 
|-
 
|-
−
|80 cm||
+
|1||
 
|-
 
|-
−
|70 cm||
+
|2||
 
|-
 
|-
−
|60 cm||
+
|3||
 
|-
 
|-
−
|50 cm||
+
|4||
 
|-
 
|-
−
|40 cm||
+
|5||
 
|-
 
|-
−
|30 cm||
+
|6||
 
|-
 
|-
−
|20 cm||
+
|7||
 
|-
 
|-
−
|10 cm||
+
|8||
 +
|-
 +
|9||
 +
|-
 +
|10||
 +
|-
 +
|avg||
 
|-
 
|-
 
|}
 
|}

Revision as of 22:27, 13 May 2011

Set up like that:

Detector1.png


The voltages and thresholds are:

PMT voltage, V threshold, mV discr. width, ns
PS1 -1500 -80 100
PS1 -1500 -80 100
n's -1500 -200 10



Let's do the timing test. The distances are between PS1+PS2 and n's PMT. The time is time difference between PS1(PS2) and n's detector signals

N 80 cm 70 cm 60 cm 50 cm 40 cm 30 cm 20 cm 10 cm 0 cm
1
2
3
4
5
6
7
8
9
10
avg
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