Difference: ForwardEndcapEMC (1 vs. 22)

Revision 22
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Drawings

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Forward endcap EMC rack space etc.

 

Naming Convention for Crystal Positions in the Forward Endcap

Convention for Crystals Positions in the Forward Endcap
Revision 21
04 Nov 2014 - Main.FritzHerbertHeinsius
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Monte Carlo Simulations ForwardEndcapRates
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Internal list of questions and solutions (PandaEmcGroup only)

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Internal list of questions and solutions (Main.PandaEmcGroup only)

 

ForwardEndcapEMCquestions
Revision 20
30 Oct 2014 - Main.FritzHerbertHeinsius
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Monte Carlo Simulations ForwardEndcapRates
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Internal list of questions and solutions

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Internal list of questions and solutions (PandaEmcGroup only)

 

ForwardEndcapEMCquestions
Revision 19
29 Oct 2014 - Main.FritzHerbertHeinsius
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META TOPICPARENT name="WebHome"
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Monte Carlo Simulations ForwardEndcapRates
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Internal list of questions and solutions

ForwardEndcapEMCquestions
 

-- MalteAlbrecht - 18 Oct 2013
Revision 18
29 Aug 2014 - Main.FritzHerbertHeinsius
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See measurements of signal shapes here: Signal Shapes
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Average Rates and Energy

Monte Carlo Simulations ForwardEndcapRates
  -- MalteAlbrecht - 18 Oct 2013

META FILEATTACHMENT attr="h" comment="R1248UVMOD2" date="1252935883" name="R2148UVMOD2forPANDAsmallquantity0908.pdf" path="R2148UVMOD2forPANDAsmallquantity0908.pdf" size="67312" user="FritzHerbertHeinsius" version="1.1"
Revision 17
26 Jun 2014 - Main.FritzHerbertHeinsius
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Photodetectors

Name Producer Diameter Length bulb + sealing Notes Datasheet/drawing
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R2148MOD Hamamatsu 23.7±0.2 mm 30±1 mm + 4 mm metal bulb 14.1.09 pdf
R2148UV MOD2 Hamamatsu 23.9+0-0.5 mm 40±1.5 mm + 13 mm glass 17.6.09 pdf
R2148MUV MOD2 Hamamatsu 23.9+0-0.5 mm 40±1.5 mm + 13 mm glass prototype 20.8.09 https://panda-wiki.gsi.de/foswiki/pub/EMC/ForwardEndcapEMC/R2148UVMOD2forPANDAsmallquantity0908.pdf
VPTT RIE 22.5+0-0.7 mm ≤ 46 mm Tetrode 5.2.09 see note

Note VPTT: Electrical connections will be 100±5 mm in length, made of copper flexible wires (PVMP-2 type) having a cross section of 0.12 mm2 with 1.6 mm-diameter polyethylene insulation, capable of withstanding a voltage up to 6 kV.
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R2148MOD Hamamatsu 23.7±0.2 mm 30±1 mm + 4 mm metal bulb 14.1.09 pdf
R2148UV MOD2 Hamamatsu 23.9+0-0.5 mm 40±1.5 mm + 13 mm glass 17.6.09 pdf
R2148MUV MOD2 Hamamatsu 23.9+0-0.5 mm 40±1.5 mm + 13 mm glass prototype 20.8.09 https://panda-wiki.gsi.de/foswiki/pub/EMC/ForwardEndcapEMC/R2148UVMOD2forPANDAsmallquantity0908.pdf
VPTT RIE 22.5+0-0.7 mm ≤ 46 mm Tetrode 5.2.09 see note
Note VPTT: Electrical connections will be 100±5 mm in length, made of copper flexible wires (PVMP-2 type) having a cross section of 0.12 mm2 with 1.6 mm-diameter polyethylene insulation, capable of withstanding a voltage up to 6 kV.
  The VPT’s base (socle) will comprise a cylinder, 14 mm in length, made of insulator (type K-8 vicsint). The wires shall be color coded as follows: white (anode), yellow (cathode), blue (1st dynode), brown (2nd dynode).

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Cables (cold volume)

The following table contains information on the cables/plugs used for the connections to the preamplifiers inside the Proto192. Namely these are the low and high voltage, as well as the signal cables.

(D: http://www.distrelec.de; RS: http://de.rs-online.com/; F: http://de.farnell.com/)
Type Wire cross section Outer diameter (cable) Plug type Order No. Notes
High Voltage 0.34mm² 1.6mm crimped barrel (Molex Micro-Fit series) D: 128028 color: red; cable type: AWG22/UL1569
High Voltage GND 0.34mm² 1.6mm crimped barrel (Molex Micro-Fit series) D: 128029 color: black; cable type: AWG22/UL1569
Low Voltage +6V 0.129mm² 0.405mm HARWIN - M80-9160099 F: 872-9301 color: red
Low Voltage -6V 0.129mm² 0.405mm HARWIN - M80-9160099 F: 872-9301 color: blue
Low Voltage GND 0.129mm² 0.405mm HARWIN - M80-9160099 F: 872-9301 color: black
Signal 0.051mm² 1.37mm Hirose (HRS) U.FL-LP-088 F: 168-8075 50Ω impedance
On the side of the preamplifier, all cables are soldered directly onto the preamp PCB. The length of the cables is about ??cm for each single cable.

Once mounted into a subunit the low- and high-voltage cables from all preamp/photodetector units are grouped and fed to 2 (HV) or 3 (LV) plugs for a fully equipped 16-crystals subunit. The following table shows information on the plugs/jacks used at the end of the grouped cables as well as on the HV/LV distribution PCB inside the Proto192.

Type Number of pins Plug type Order No. Notes
High Voltage (jack at end of grouped cables) 16 Molex Mikro-Fit RS: 237-3603 max. rating: 250V@5A
High Voltage (plug, mounted to PCB 16 Molex Mikro-Fit RS: 422-7439  
Low Voltage (jack at end of grouped cables) 16 HARWIN - M80-8881605 RS: 511-721  
Low Voltage (plug, mounted to PCB) 16 HARWIN - M80-6661642 F: 151-7364 max. rating: 120V@3A
Signal (jack, mounted to PCB) 1+shielding(GND) HRS (HIROSE) - U.FL-R-SMT F: 390-8021 50Ω impedance
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Cables (Proto192 cold volume / forward end cap all)

 
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-- MalteAlbrecht - 18 Apr 2013
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Signal Shapes

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  -- MalteAlbrecht - 18 Apr 2013

Signal Shapes

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In the forward endcap EMC the signals coming from Hamamatsu Vacuum Photo Tetrodes (VPTTs) as well as from Hamamatsu Large Area Avalanche Photodiodes (LAAPDs) are first fed to integrating Low Noise Preamplifiers (LNP) inside the cold volume of the detector. The output signals of the preamplifiers are routed out of the cold volume and fed into FPGA-driven digitizing boards which contain a shaping amplifier at their input stage. The following measurements have been taken using a VPTT (and an LAAPD respectively) which is mounted inside the Proto192. The Lightpulser was used to periodically illuminate the PWO crystal sitting in front of the VPTT (APD) with light pulses similar to the scintillation light of PWO.
 
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The amplitude of the preamplifier output signal has been measured with an oscilloscope (terminated with 50 Ohms), the results are given in the pictures below (black text in HIGH gain part of the picture). The pictures below show the signal shape as seen by the digitizing board and have been acquired directly from the FPGA on the ADC board using Xilinx' ChipScope. The ADC board that was used (ADC32DR v1.0) is a prototype for the board that will be used in the forward endcap. The input signal (U.FL differential input) is first shaped, then split into two different gain branches, namely a x1 (LOW Gain) and a x16 (HIGH Gain) signal. Please note, that although the board is designed for a differential input signal the LNPs deliver a single ended signal, thus only half the conversion rage of the ADCs can be used. The pictures show the conversions of the LOW as well as the HIGH gain branch after digitization for different signal amplitudes and detector types.

Although the digitizing boards as well as other components are still under development these measurements show actual waveforms coming from a running detector and can be used e.g. for simulations.

For further use you can find the raw data of these waveforms (High and Low gain) in a machine-readable ASCII format here:

VPTT at 1000V; Signal: 770mV behind Preamp
VPTT at 1000V; Signal: 7.7mV behind Preamp
APD at 360V; Signal: 615mV behind Preamp
APD at 360V; Signal: 6.15mV behind Preamp

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See measurements of signal shapes here: Signal Shapes
 

-- MalteAlbrecht - 18 Oct 2013
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The amplitude of the preamplifier output signal has been measured with an oscilloscope (terminated with 50 Ohms), the results are given in the pictures below (black text in HIGH gain part of the picture). The pictures below show the signal shape as seen by the digitizing board and have been acquired directly from the FPGA on the ADC board using Xilinx' ChipScope.
Changed:
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The ADC board that was used (ADC32DR v1.0) is a prototype for the board that will be used in the forward endcap. The input signal (U.FL differential input) is first shaped, then split into two different gain branches, namely a x1 (LOW Gain) and a x16 (HIGH Gain) signal. The pictures show the conversions of the LOW as well as the HIGH gain branch after digitization for different signal amplitudes and detector types.
>
>
The ADC board that was used (ADC32DR v1.0) is a prototype for the board that will be used in the forward endcap. The input signal (U.FL differential input) is first shaped, then split into two different gain branches, namely a x1 (LOW Gain) and a x16 (HIGH Gain) signal. Please note, that although the board is designed for a differential input signal the LNPs deliver a single ended signal, thus only half the conversion rage of the ADCs can be used. The pictures show the conversions of the LOW as well as the HIGH gain branch after digitization for different signal amplitudes and detector types.
 

Although the digitizing boards as well as other components are still under development these measurements show actual waveforms coming from a running detector and can be used e.g. for simulations.
Added:
>
>
For further use you can find the raw data of these waveforms (High and Low gain) in a machine-readable ASCII format here:

VPTT at 1000V; Signal: 770mV behind Preamp
VPTT at 1000V; Signal: 7.7mV behind Preamp
APD at 360V; Signal: 615mV behind Preamp
APD at 360V; Signal: 6.15mV behind Preamp
 
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-- MalteAlbrecht - 16 Oct 2013
>
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-- MalteAlbrecht - 18 Oct 2013
 

META FILEATTACHMENT attr="h" comment="R1248UVMOD2" date="1252935883" name="R2148UVMOD2forPANDAsmallquantity0908.pdf" path="R2148UVMOD2forPANDAsmallquantity0908.pdf" size="67312" user="FritzHerbertHeinsius" version="1.1"
META FILEATTACHMENT attr="h" comment="Basic drawing of VPTT RIE" date="1256293803" name="VPTT_dwg.pdf" path="T:\3 GSI\3,0702, P2 Endcap Panda\PDF\3000 Subunit of 16 crystals\3300 VPT\VPTT_dwg.pdf" size="158872" user="HenkSmit" version="1.1"
Revision 14
16 Oct 2013 - Main.MalteAlbrecht
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META TOPICPARENT name="WebHome"
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-- MalteAlbrecht - 18 Apr 2013
Added:
>
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Signal Shapes

In the forward endcap EMC the signals coming from Hamamatsu Vacuum Photo Tetrodes (VPTTs) as well as from Hamamatsu Large Area Avalanche Photodiodes (LAAPDs) are first fed to integrating Low Noise Preamplifiers (LNP) inside the cold volume of the detector. The output signals of the preamplifiers are routed out of the cold volume and fed into FPGA-driven digitizing boards which contain a shaping amplifier at their input stage. The following measurements have been taken using a VPTT (and an LAAPD respectively) which is mounted inside the Proto192. The Lightpulser was used to periodically illuminate the PWO crystal sitting in front of the VPTT (APD) with light pulses similar to the scintillation light of PWO.

The amplitude of the preamplifier output signal has been measured with an oscilloscope (terminated with 50 Ohms), the results are given in the pictures below (black text in HIGH gain part of the picture). The pictures below show the signal shape as seen by the digitizing board and have been acquired directly from the FPGA on the ADC board using Xilinx' ChipScope. The ADC board that was used (ADC32DR v1.0) is a prototype for the board that will be used in the forward endcap. The input signal (U.FL differential input) is first shaped, then split into two different gain branches, namely a x1 (LOW Gain) and a x16 (HIGH Gain) signal. The pictures show the conversions of the LOW as well as the HIGH gain branch after digitization for different signal amplitudes and detector types.

Although the digitizing boards as well as other components are still under development these measurements show actual waveforms coming from a running detector and can be used e.g. for simulations.

-- MalteAlbrecht - 16 Oct 2013
 
META FILEATTACHMENT attr="h" comment="R1248UVMOD2" date="1252935883" name="R2148UVMOD2forPANDAsmallquantity0908.pdf" path="R2148UVMOD2forPANDAsmallquantity0908.pdf" size="67312" user="FritzHerbertHeinsius" version="1.1"
META FILEATTACHMENT attr="h" comment="Basic drawing of VPTT RIE" date="1256293803" name="VPTT_dwg.pdf" path="T:\3 GSI\3,0702, P2 Endcap Panda\PDF\3000 Subunit of 16 crystals\3300 VPT\VPTT_dwg.pdf" size="158872" user="HenkSmit" version="1.1"
META FILEATTACHMENT attr="" comment="Naming Convention of Crystal Positions in the Forward Endcap" date="1326973816" name="crystal_numbering.pdf" path="crystal_numbering.pdf" size="609123" user="JanSchulze" version="1.1"
Revision 13
16 Oct 2013 - Main.MalteAlbrecht
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META TOPICPARENT name="WebHome"
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Forward endcap prototypes

Drawings

Revision 12
18 Apr 2013 - Main.MalteAlbrecht
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Forward endcap prototypes

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Cables (cold volume)

The following table contains information on the cables/plugs used for the connections to the preamplifiers inside the Proto192. Namely these are the low and high voltage, as well as the signal cables.
Changed:
<
<
Type Wire diameter Outer diameter (cable) Plug type Order No. Notes
High Voltage         color: red
High Voltage GND         color: black
Low Voltage +6V         color: red
Low Voltage -6V         color: blue
Low Voltage GND         color: black
Signal         50Ω impedance
>
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(D: http://www.distrelec.de; RS: http://de.rs-online.com/; F: http://de.farnell.com/)
Type Wire cross section Outer diameter (cable) Plug type Order No. Notes
High Voltage 0.34mm² 1.6mm crimped barrel (Molex Micro-Fit series) D: 128028 color: red; cable type: AWG22/UL1569
High Voltage GND 0.34mm² 1.6mm crimped barrel (Molex Micro-Fit series) D: 128029 color: black; cable type: AWG22/UL1569
Low Voltage +6V 0.129mm² 0.405mm HARWIN - M80-9160099 F: 872-9301 color: red
Low Voltage -6V 0.129mm² 0.405mm HARWIN - M80-9160099 F: 872-9301 color: blue
Low Voltage GND 0.129mm² 0.405mm HARWIN - M80-9160099 F: 872-9301 color: black
Signal 0.051mm² 1.37mm Hirose (HRS) U.FL-LP-088 F: 168-8075 50Ω impedance
  On the side of the preamplifier, all cables are soldered directly onto the preamp PCB. The length of the cables is about ??cm for each single cable.

Once mounted into a subunit the low- and high-voltage cables from all preamp/photodetector units are grouped and fed to 2 (HV) or 3 (LV) plugs for a fully equipped 16-crystals subunit. The following table shows information on the plugs/jacks used at the end of the grouped cables as well as on the HV/LV distribution PCB inside the Proto192.

Type Number of pins Plug type Order No. Notes
Changed:
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High Voltage (jack at end of grouped cables) 16      
High Voltage (plug, mounted to PCB 16      
Low Voltage (jack at end of grouped cables)        
Low Voltage (plug, mounted to PCB)        
Signal (jack, mounted to PCB)        
>
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High Voltage (jack at end of grouped cables) 16 Molex Mikro-Fit RS: 237-3603 max. rating: 250V@5A
High Voltage (plug, mounted to PCB 16 Molex Mikro-Fit RS: 422-7439  
Low Voltage (jack at end of grouped cables) 16 HARWIN - M80-8881605 RS: 511-721  
Low Voltage (plug, mounted to PCB) 16 HARWIN - M80-6661642 F: 151-7364 max. rating: 120V@3A
Signal (jack, mounted to PCB) 1+shielding(GND) HRS (HIROSE) - U.FL-R-SMT F: 390-8021 50Ω impedance
 
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-- MalteAlbrecht - 17 Apr 2013
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-- MalteAlbrecht - 18 Apr 2013
 

META FILEATTACHMENT attr="h" comment="R1248UVMOD2" date="1252935883" name="R2148UVMOD2forPANDAsmallquantity0908.pdf" path="R2148UVMOD2forPANDAsmallquantity0908.pdf" size="67312" user="FritzHerbertHeinsius" version="1.1"
META FILEATTACHMENT attr="h" comment="Basic drawing of VPTT RIE" date="1256293803" name="VPTT_dwg.pdf" path="T:\3 GSI\3,0702, P2 Endcap Panda\PDF\3000 Subunit of 16 crystals\3300 VPT\VPTT_dwg.pdf" size="158872" user="HenkSmit" version="1.1"
Revision 11
17 Apr 2013 - Main.MalteAlbrecht
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META TOPICPARENT name="WebHome"

Forward endcap prototypes

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Added:
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Cables (cold volume)

The following table contains information on the cables/plugs used for the connections to the preamplifiers inside the Proto192. Namely these are the low and high voltage, as well as the signal cables.

Type Wire diameter Outer diameter (cable) Plug type Order No. Notes
High Voltage         color: red
High Voltage GND         color: black
Low Voltage +6V         color: red
Low Voltage -6V         color: blue
Low Voltage GND         color: black
Signal         50Ω impedance
On the side of the preamplifier, all cables are soldered directly onto the preamp PCB. The length of the cables is about ??cm for each single cable.

Once mounted into a subunit the low- and high-voltage cables from all preamp/photodetector units are grouped and fed to 2 (HV) or 3 (LV) plugs for a fully equipped 16-crystals subunit. The following table shows information on the plugs/jacks used at the end of the grouped cables as well as on the HV/LV distribution PCB inside the Proto192.

Type Number of pins Plug type Order No. Notes
High Voltage (jack at end of grouped cables) 16      
High Voltage (plug, mounted to PCB 16      
Low Voltage (jack at end of grouped cables)        
Low Voltage (plug, mounted to PCB)        
Signal (jack, mounted to PCB)        

-- MalteAlbrecht - 17 Apr 2013
 
META FILEATTACHMENT attr="h" comment="R1248UVMOD2" date="1252935883" name="R2148UVMOD2forPANDAsmallquantity0908.pdf" path="R2148UVMOD2forPANDAsmallquantity0908.pdf" size="67312" user="FritzHerbertHeinsius" version="1.1"
META FILEATTACHMENT attr="h" comment="Basic drawing of VPTT RIE" date="1256293803" name="VPTT_dwg.pdf" path="T:\3 GSI\3,0702, P2 Endcap Panda\PDF\3000 Subunit of 16 crystals\3300 VPT\VPTT_dwg.pdf" size="158872" user="HenkSmit" version="1.1"
META FILEATTACHMENT attr="" comment="Naming Convention of Crystal Positions in the Forward Endcap" date="1326973816" name="crystal_numbering.pdf" path="crystal_numbering.pdf" size="609123" user="JanSchulze" version="1.1"
Revision 10
29 Sep 2012 - Main.FritzHerbertHeinsius
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META TOPICPARENT name="WebHome"

Forward endcap prototypes

Drawings

Naming Convention for Crystal Positions in the Forward Endcap

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  • CrystalPositions: Naming Convention for Crystals Positions in the Forward Endcap
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Convention for Crystals Positions in the Forward Endcap

 

Lightpulser

Temperature and Humidity Monitoring Board for PANDA

Revision 9
10 Jun 2012 - Main.HerbertLoehner
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Forward endcap prototypes

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META FILEATTACHMENT attr="h" comment="R1248UVMOD2" date="1252935883" name="R2148UVMOD2forPANDAsmallquantity0908.pdf" path="R2148UVMOD2forPANDAsmallquantity0908.pdf" size="67312" user="FritzHerbertHeinsius" version="1.1"
META FILEATTACHMENT attr="h" comment="Basic drawing of VPTT RIE" date="1256293803" name="VPTT_dwg.pdf" path="T:\3 GSI\3,0702, P2 Endcap Panda\PDF\3000 Subunit of 16 crystals\3300 VPT\VPTT_dwg.pdf" size="158872" user="HenkSmit" version="1.1"
META FILEATTACHMENT attr="" comment="Naming Convention of Crystal Positions in the Forward Endcap" date="1326973816" name="crystal_numbering.pdf" path="crystal_numbering.pdf" size="609123" user="JanSchulze" version="1.1"
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META FILEATTACHMENT attr="" comment="Distribution of crystals and photo sensors in Forward Endcap EMC" date="1339336806" name="Detector-Distribution.pdf" path="Detector-Distribution.pdf" size="156749" user="HerbertLoehner" version="1.1"
Revision 8
19 Jan 2012 - Main.JanSchulze
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META TOPICPARENT name="WebHome"

Forward endcap prototypes

Drawings

Added:
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Naming Convention for Crystal Positions in the Forward Endcap

  • CrystalPositions: Naming Convention for Crystals Positions in the Forward Endcap
 

Lightpulser

Temperature and Humidity Monitoring Board for PANDA

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META FILEATTACHMENT attr="h" comment="R1248UVMOD2" date="1252935883" name="R2148UVMOD2forPANDAsmallquantity0908.pdf" path="R2148UVMOD2forPANDAsmallquantity0908.pdf" size="67312" user="FritzHerbertHeinsius" version="1.1"
META FILEATTACHMENT attr="h" comment="Basic drawing of VPTT RIE" date="1256293803" name="VPTT_dwg.pdf" path="T:\3 GSI\3,0702, P2 Endcap Panda\PDF\3000 Subunit of 16 crystals\3300 VPT\VPTT_dwg.pdf" size="158872" user="HenkSmit" version="1.1"
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META FILEATTACHMENT attr="" comment="Naming Convention of Crystal Positions in the Forward Endcap" date="1326973816" name="crystal_numbering.pdf" path="crystal_numbering.pdf" size="609123" user="JanSchulze" version="1.1"
Revision 7
09 Nov 2009 - Main.FlorianFeldbauer
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Forward endcap prototypes

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Lightpulser

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Temperature and Humidity Monitoring Board for PANDA (THMP)

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Temperature and Humidity Monitoring Board for PANDA

 

Photodetectors

Name Producer Diameter Length bulb + sealing Notes Datasheet/drawing
Revision 6
03 Nov 2009 - Main.FlorianFeldbauer
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META TOPICPARENT name="WebHome"

Forward endcap prototypes

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Lightpulser

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Temperature and Humidity Monitoring Board for PANDA (THMP)

 

Photodetectors

Name Producer Diameter Length bulb + sealing Notes Datasheet/drawing
R2148MOD Hamamatsu 23.7±0.2 mm 30±1 mm + 4 mm metal bulb 14.1.09 pdf
Revision 5
23 Oct 2009 - Main.ChristofMotzko
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Forward endcap prototypes

Revision 4
23 Oct 2009 - Main.HenkSmit
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Forward endcap prototypes

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-- FritzHerbertHeinsius - 10 Nov 2008
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META FILEATTACHMENT attr="h" comment="R1248UVMOD2" date="1252935883" name="R2148UVMOD2forPANDAsmallquantity0908.pdf" path="R2148UVMOD2forPANDAsmallquantity0908.pdf" size="67312" user="FritzHerbertHeinsius" version="1.1"
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META FILEATTACHMENT attr="h" comment="Basic drawing of VPTT RIE" date="1256293803" name="VPTT_dwg.pdf" path="T:\3 GSI\3,0702, P2 Endcap Panda\PDF\3000 Subunit of 16 crystals\3300 VPT\VPTT_dwg.pdf" size="158872" user="HenkSmit" version="1.1"
Revision 3
23 Oct 2009 - Main.FritzHerbertHeinsius
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META TOPICPARENT name="WebHome"

Forward endcap prototypes

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Drawings

Lightpulser

 

Photodetectors

Name Producer Diameter Length bulb + sealing Notes Datasheet/drawing
R2148MOD Hamamatsu 23.7±0.2 mm 30±1 mm + 4 mm metal bulb 14.1.09 pdf
Revision 2
14 Sep 2009 - Main.FritzHerbertHeinsius
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META TOPICPARENT name="WebHome"

Forward endcap prototypes

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Photodetectors

Name Producer Diameter Length bulb + sealing Notes Datasheet/drawing
R2148MOD Hamamatsu 23.7±0.2 mm 30±1 mm + 4 mm metal bulb 14.1.09 pdf
R2148UV MOD2 Hamamatsu 23.9+0-0.5 mm 40±1.5 mm + 13 mm glass 17.6.09 pdf
R2148MUV MOD2 Hamamatsu 23.9+0-0.5 mm 40±1.5 mm + 13 mm glass prototype 20.8.09 https://panda-wiki.gsi.de/foswiki/pub/EMC/ForwardEndcapEMC/R2148UVMOD2forPANDAsmallquantity0908.pdf
VPTT RIE 22.5+0-0.7 mm ≤ 46 mm Tetrode 5.2.09 see note

Note VPTT: Electrical connections will be 100±5 mm in length, made of copper flexible wires (PVMP-2 type) having a cross section of 0.12 mm2 with 1.6 mm-diameter polyethylene insulation, capable of withstanding a voltage up to 6 kV. The VPT’s base (socle) will comprise a cylinder, 14 mm in length, made of insulator (type K-8 vicsint). The wires shall be color coded as follows: white (anode), yellow (cathode), blue (1st dynode), brown (2nd dynode).

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-- FritzHerbertHeinsius - 10 Nov 2008
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META FILEATTACHMENT attr="h" comment="R1248UVMOD2" date="1252935883" name="R2148UVMOD2forPANDAsmallquantity0908.pdf" path="R2148UVMOD2forPANDAsmallquantity0908.pdf" size="67312" user="FritzHerbertHeinsius" version="1.1"
 
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