Project

General

Profile

Beamline voltages

Beam counters

Target rack power supplies:

Input COW      1960 V
M1             1120 V

Detectors:

------------------------------------------------------------------------------------
Detector                         | Channel                        | Voltage
---------------------------------+--------------------------------+-----------------
90 degree target; 1              | Target rack COW 1              | -160 V
90 degree target; 2              | Target rack COW 2              | -360 V
90 degree target; 3              | Target rack COW 3              | -160 V
On axis target                   | Target rack COW 4              | -340 V
---------------------------------+--------------------------------+-----------------
Paddle 1                         | Target rack COW 8              | -60 V
Paddle 2                         | Target rack COW 9              | -140 V
Paddle 3                         | Target rack COW 10             | -240 V
Paddle 4                         | Target rack COW 11             |  -20 V
---------------------------------+--------------------------------+-----------------
Target Counter; 1                | Target rack COW 12             | -1540 V
Target Counter; 2                | Target rack COW 13             | -1680 V
Target Counter; 3                | Target rack COW 14             | -1860 V
Target Counter; 4                | Target rack COW 15             | -1680 V
---------------------------------+--------------------------------+-----------------
Shield Block Counter; 3 (M3)     | Target rack COW 16             | -460 V
Shield Block Counter; 1 (M4)     | Target rack COW 17             | -580 V
Shield Block Counter; 2 (M1)     | Target rack power supply 2     | 1120 V
---------------------------------+--------------------------------+-----------------
Before Target Counter; 1         | Target rack COW 18             | -120 V (Junting: -1500 V)
Before Target Counter; 2         | Target rack COW 19             | -120 V (Junting: -1900 V)
Before Target Counter; 3         | Target rack COW 20             | 0 V (Junting: -1550 V)
------------------------------------------------------------------------------------
------------------------------------------------------------------------------------
Detector                         | Channel             | Width     | Voltage
---------------------------------+---------------------+-----------+----------------
ArgoNeuT, detector face; 1       | Mini rack 1         | 20ns      | -902 V
ArgoNeuT, detector face; 2       | Mini rack 2         | 20 ns     | -902 V
ArgoNeuT, detector face; 3       | Mini rack 3         | 20 ns     | -901 V
ArgoNeuT, detector face; 4       | Mini rack 4         | 20 ns     | -885 V
------------------------------------------------------------------------------------

Lariat counter: -1900v for all. Refers to the three long counters we moved from Lariat area. They are bundled together, positioned vertically on a crate in our area.

Time-of-Flight

PMT

PMT voltages are via a COW in downstream detector power rack.

-----------------------------------------------------------------------------
Detector              | Channel                       | Voltage
----------------------+-------------------------------+----------------------
Nominal (DS)          | -                             | -900 V
DS1                   |                               | -899 V 
DS2                   |                               | -896 V 
DS3                   |                               | -868 V 
DS4                   |                               | -916 V 
----------------------+-------------------------------+----------------------
Nominal (US)          | -                             | -820 V
US5                   |                               | -808 V
US6                   |                               | -799 V
US7                   |                               | -855 V
US8                   |                               | -813 V
-----------------------------------------------------------------------------

SiPM

The SiPM voltages are supplied by a (EHS 8001n_106) LV power supply sitting in a VME crate. The SiPM bias voltage is configured through the VNC crate.

------------------------------------------
SiPM ToF Detector     | Voltage
----------------------+-------------------
Bias                  | -29 V
OpAmp                 | +5 V
------------------------------------------

Cherenkov

PMT connected directly to HV power supply in downstream detector power rack.

-------------------------------------
Cherenkov PMT     | +1700 V
-------------------------------------

Wire Chambers

-----------------------------------------------------
Detector                     | Voltage
-----------------------------+-----------------------
Target Beam Chamber          | ? V
-----------------------------+-----------------------
Secondary Beam Chamber       | ? V
-----------------------------+-----------------------
Beamline Chamber; 1 (AI)     | 2475 V 
Beamline Chamber; 2 (AJ)     | 2450 V 
Beamline Chamber; 3 (AK)     | 2460 V 
Beamline Chamber; 4 (AL)     | 2420 V
-----------------------------------------------------