Light Detection in ProtoDUNE-SP: Recent Performance and Measurements

Investigate the latest activities in ProtoDUNE-SP focusing on light detection, including measurements conducted with fake triggers, single LEDs, CRT triggers, HV scans, and muon triggers. Explore the outcomes of DCM runs and the manipulation of pulse height and width, as well as various calibration and monitoring procedures using different light sources. Delve into the specifics of runs, typologies, and diffuser configurations.

• ProtoDUNE
• Light Detection
• Measurements
• HV Scan
• DCM

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Uploaded on Feb 18, 2025 | 0 Views

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Presentation Transcript

1. Light detection in ProtoDUNE-SP 25 31 March

2. PD measurements performed last week DCM runs with fake trigger Single LED All LEDs CRT trigger HV scan Vertical muon trigger (telescope) Different positions (APA4/APA6, APA3) HV scan

3. DCM runs with fake trigger Outputs of dedicated SSPs control the pulse height and width UV LEDs (245-280 nm) coupled to fibers 5 diffusers on each side of the CPA (3 out of service) Single p.e. for individual photon detector Higher intensity to test linearity Variable pulse width (time resolution test) Single LED: calibration All LEDs: monitoring over time Run Number 7407 7408 7435 7410 7425 7412 7413 7414 7415 7416 7417 7430 7441 7431 7455 7456 7437 7428 7429 7440 7363 7445 Run typology DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM single diffuser, pulse width scan DCM stability DCM stability pulse height 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF 0xFFF pulse sets 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF 0x0001FFF pulse delay 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 0x3E8 pulse width 0xF 0x20 0x9 0xF 0x20 0x9 0xF 0x20 0x9 0xF 0x20 0x10 0xF 0x20 0x9 0xF 0x20 0xF 0x20 0x20 0x9 0x9 Diffuser Ras/Center = 1 Cen F Ras/Center = 1 Cen 20 Ras/LL = 1 LL 9 Ras/LL = 1 LL F Ras/LL = 1 LL 20 Ras/LR = 1 LR 9 Ras/LR = 1 LR F Ras/LR = 1 LR 20 Ras/UR = 1 UR 9 Ras/UR = 1 UR F Ras/UR = 1 UR 20 Das/UL = 2 UL 9 Das/UL = 2 UL F Das/UL = 2 UL 20 Das/LL = 2 LL 9 Das/LL = 2 LL F Das/LL = 2 LL 20 Das/LR = 2 LR F Das/LR = 2 LR 20 Das/LR = 2 LR 20 ALL ALL Trigger Type Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only Ext Only

4. CRT trigger Selects high-energy, mostly through-going muons External and internal trigger HV scan Cathode HV APA included? (kV) (All/list included APAs) (Yes/No) All All All All All All SSP included? CRT included? Run Number Run typology 7307 7309 7322 7324 7326 7310 (Yes/No) yes yes yes yes yes yes Trigger Type CRT CRT CRT CRT CRT CRT CRT trigger run for Photon detectors 180 CRT trigger run for Photon detectors 135 CRT trigger run for Photon detectors 45 CRT trigger run for Photon detectors 18 CRT trigger run for Photon detectors 0 CRT trigger run for Photon detectors 90 Yes Yes Yes Yes Yes Yes

5. Channel map Chris Macias

6. ~8.5 Vertical muon trigger 3 scintillating paddles in coincidence Selection of lower-energy muons (vertical direction) Cone of 8.5 aperture Expected signal on wires: excess of events in a portion of TDC vs Channel plot SSP included? CRT included? Cathode HV APA included? (All/list included APAs) All All All All All All All All Trigger Type Telescope Telescope Telescope Telescope Telescope Telescope Telescope Telescope Run Number Run typology 7301 7303 7336 7347 7348 7373 7405 7444 (kV) 180 180 (Yes/No) (Yes/No) Yes Yes Yes Yes Yes Yes Yes Yes Vertical muon trigger, apa6/apa4 Vertical muon trigger, apa6/apa4, crossed like T Vertical muon trigger, apa3, paddle in the middle 90 180 Vertical muon trigger, apa3, lower 2 panel crossed T 90 Vertical muon trigger, apa3, lower 2 panel crossed T 90 Vertical muon trigger, apa3, lower 2 panel crossed T 135 Vertical muon trigger, apa3, lower 2 panel crossed T 45 Vertical muon trigger, apa3, lower 2 panel crossed T off no no no no no no no no