Difference between revisions of "PosRun 12 10 2013"

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120 Hz , 39 MeV electrons on 2 mm thick tungsten
 
120 Hz , 39 MeV electrons on 2 mm thick tungsten
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{| border="1"  |cellpadding="20" cellspacing="0  
 
{| border="1"  |cellpadding="20" cellspacing="0  
 
|-
 
|-
|<math> \theta</math> ||  E (MeV) || I beam pVs 50 ohms || e+ Rate  mag - det dist ( cm)
+
|<math> \theta</math> ||  E (MeV) || I beam for e- pVs 50 ohms ||  I beam for e+ || e+ Rate  || mag - det dist ( cm)
 
|-
 
|-
 
|  50  ||  9.7 || ||
 
|  50  ||  9.7 || ||
 
|-
 
|-
|  57  ||  8.8||. || || 65  
+
|  57  ||  8.8||. || || ||  65  
 
|-
 
|-
|  68 || 6.8 ||  197|| ||77  
+
|  68 || 6.8 ||  197|| 5820  || 23 || 77  
 
|-
 
|-
|  78 || 5.5 ||  || 60||  
+
|  78 || 5.5 || 968 || || || 60
 
|-
 
|-
 
|  90 || 4.5 ||  || 23
 
|  90 || 4.5 ||  || 23

Revision as of 21:32, 10 December 2013

120 Hz , 39 MeV electrons on 2 mm thick tungsten

Electron coincidence rate was always 80 Hz


[math] \theta[/math] E (MeV) I beam for e- pVs 50 ohms I beam for e+ e+ Rate mag - det dist ( cm)
50 9.7
57 8.8 . 65
68 6.8 197 5820 23 77
78 5.5 968 60
90 4.5 23



Positrons_Using_40Mev_Linac#10.2F14.2F13


Positrons_Using_40Mev_Linac#10.2F14.2F13