Difference between revisions of "2nCor Equipment"

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;TDC channel Map
 
;TDC channel Map
 
{| border="1"
 
{| border="1"
| Detector || Angle ||TDC channel || NIM-ECL channel|| Patch Pannel #  
+
| Detector || Angle ||TDC channel || NIM-ECL channel|| Patch Pannel # || ROOT vaiable
 
|-
 
|-
| BLUT || 135 ||TDC 16 || in B ch 0 || 223A6  
+
| BLUT || 135 ||TDC 16 || in B ch 0 || 223A6   || evt.TDC[16]
 
|-
 
|-
|  BLUB ||  135 || TDC 17 || in B ch 1|| 223A7
+
|  BLUB ||  135 || TDC 17 || in B ch 1|| 223A7|| evt.TDC[17]
 
|-
 
|-
| BRT|| 270|| TDC 24||in A ch 0 ||223A14
+
| BRT|| 270|| TDC 24||in A ch 0 ||223A14|| evt.TDC[24]
 
|-
 
|-
| BRB|| 270|| TDC 25||in A ch 1 ||223A15
+
| BRB|| 270|| TDC 25||in A ch 1 ||223A15|| evt.TDC[25]
 
|-
 
|-
 
|-
 
|-
| BLDT || 45 ||TDC 26 || in A ch 2 || 223A16   
+
| BLDT || 45 ||TDC 26 || in A ch 2 || 223A16  || evt.TDC[26]
 
|-
 
|-
|  BLDB ||  45 || TDC 27 || in A ch 3|| 223A17
+
|  BLDB ||  45 || TDC 27 || in A ch 3|| 223A17|| evt.TDC[27]
 
|-
 
|-
|  Trig Delay ||  || TDC 30 || in A ch 6||  
+
|  Trig Delay ||  || TDC 30 || in A ch 6|| || evt.TDC[30]
 
|}
 
|}
  

Revision as of 00:11, 18 March 2015

Detectors

PMTs

http://www.hamamatsu.com/resources/pdf/etd/R580_TPMH1100E.pdf

Scintillators

e+e- spectrometer

DAQ electronics

Signal Processing

Discriminator

CAEN N841


The pulse forming stage of the discriminator produces an output pulse whose width is adjustable in a range from 5 ns to 40 ns. Each channel can work both in Updating and Non-Updating mode according to on-board jumpers position. The discriminator thresholds are individually settable in a range from -1 mV to -255 mV (1 mV step), via an 8-bit DAC. The minimum detectable signal is -5 mV. The back panel houses VETO and TEST inputs, the OR output and the Current Sum output, which generates a current proportional to the input multiplicity, i. e. to the number of channels over threshold, at a rate of -1.0 mA per hit (-50 mV per hit into a 50 Ohm load) ±20%.

File:CAEN N841 Manual.pdf

NIM-ECL converter

Phillips Model 726

File:Phillip 726 Nim2ECL.pdf

TDC

Detector name convention

BLUT = Beam Left Upstream Top pmt
TDC channel Map
Detector Angle TDC channel NIM-ECL channel Patch Pannel # ROOT vaiable
BLUT 135 TDC 16 in B ch 0 223A6 evt.TDC[16]
BLUB 135 TDC 17 in B ch 1 223A7 evt.TDC[17]
BRT 270 TDC 24 in A ch 0 223A14 evt.TDC[24]
BRB 270 TDC 25 in A ch 1 223A15 evt.TDC[25]
BLDT 45 TDC 26 in A ch 2 223A16 evt.TDC[26]
BLDB 45 TDC 27 in A ch 3 223A17 evt.TDC[27]
Trig Delay TDC 30 in A ch 6 evt.TDC[30]

ADC

2nCor_44


Software

Ntuple maker

To make the Tree containing the TDC, QDC, and PDC data run the following command


source ~/CODA/setup
/home/daq/CODA/CODAreader/ROOT_V5.30/v775v792v785/evio2nt -fr8735.dat >/dev/null

rename the output file to a root file

mv r8735 r8735.root
root -l r8735.root