Difference between revisions of "VUVProjectsPlanning"

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=== Update September 2022 ===
+
 
 +
=== Update September 2024 - joint XAMS project ===
 
{| class="wikitable"
 
{| class="wikitable"
 
|+
 
|+
−
!Task (measurements)
+
!Projects
 
!DRI
 
!DRI
 
!Main dependencies
 
!Main dependencies
Line 8: Line 9:
 
!Finish by
 
!Finish by
 
|-
 
|-
−
|<u>Measure fluorescence efficiency of PTFE</u>
+
|<u>Finalise reflectivity measurements of DUNE cryostat components</u>
−
|<u>Emily</u>
+
|Marjolein/Vikas/Corryenne
 +
|
 +
|
 +
|Oct 2024
 +
|-
 +
|Fluorescence measurements in VULCAN
 +
|<u>Anna</u>
 
|
 
|
 
|
 
|
 
|
 
|
 
|-
 
|-
−
|<u>Measure reflectance of cryostat components</u>
+
|<u>Delayed electrons and g1 in XAMS</u>
−
|<u>Marjolein</u>
+
|<u>Joost</u>
 
|
 
|
 
|
 
|
 
|
 
|
 
|-
 
|-
−
|<u>Measure optical properties of Arapuca components</u>
+
|Calibration of XAMS
−
|<u>Vikas</u>
+
|Noor
 
|
 
|
 
|
 
|
 
|
 
|
 
|-
 
|-
−
|<u>Measure the spectrum of the D2 lamp</u>
+
|Reflectance of DUNE cryostat components
−
|<u>Jasmijn</u>
+
|Corryenne
 
|
 
|
 
|
 
|
−
|Dec 1 (?)
+
|June 2024
 
|-
 
|-
−
|Gain characterization of SiPMs
+
|Measure time stability of D2 lamp intensity
−
|Jasmijn
+
|
 
|
 
|
 
|
 
|
 
|
 
|
 
|-
 
|-
−
|Measure excitation beam intensity as function of SiPM position and slit width
+
|Determine effect of exposure to radiation on fluorescence of plastics
 +
|
 +
|
 +
|
 +
|
 +
|}
 +
{| class="wikitable"
 +
|+
 +
!Task - hardware
 +
!DRI
 +
!Dependencies
 +
!Status
 +
|-
 +
|Design SiPM holder for fluorescence measurements
 +
|Anna
 +
|Reflectivity study finished
 +
|
 +
|-
 +
|Set up and test cooling system for samples, SiPM
 +
|Anna
 
|
 
|
 
|
 
|
 +
|-
 +
|Fully reconfigure VULCAN for fluorescence measurements
 +
|Anna
 +
|cooling system and SiPM holder ready
 +
|
 +
|-
 +
|Test if signal from S13360-6050-PE is good with current VULCAN read-out board - if not, work with ET to design new circuit - also use Hamamatsu board and compare
 +
|Anna/Joost
 
|
 
|
 
|
 
|
 
|-
 
|-
−
|Measure time stability of D2 lamp intensity
+
|Test how signal from S13360-6050PE degrades when connected over a long cable as will be the case in XAMS - decide if we need pre-amplifier inside XAMS - together with ET
 +
|Noor/Joost
 
|
 
|
 
|
 
|
 +
|-
 +
|Procure SiPM read-out board - 4+ channels, S13360-6050PE/CS SiPMs - from ET, possibly a total of 4 or so if economic
 +
|Anna/Joost
 +
|Previous SiPM test results
 
|
 
|
 +
|-
 +
|Install and test 16-channel digitiser for XAMS
 +
|AP/Maricke
 +
|XAMS test run finished?
 
|
 
|
 
|-
 
|-
−
|DN vs temperature characterization of SiPMs
+
|Set up XAMS to start a run
 +
|Tobias
 
|
 
|
 
|
 
|
 +
|-
 +
|Measure rest-gas composition in XAMS
 +
|Noor
 
|
 
|
 
|
 
|
 
|-
 
|-
−
|Determine effect of exposure to radiation on fluorescence of plastics
+
|Measure outgassing from PTFE
 +
|Noor
 
|
 
|
 
|
 
|
 +
|-
 +
|Re-design the guts of XAMS to include SiPM readout of a possible fluorescence signal (new PTFE sleeve). Ask advice from Marieke and from Oscar (from MT). Come up with a proposal.
 +
|Joost/Noor
 
|
 
|
 
|
 
|
 
|}
 
|}
 
{| class="wikitable"
 
{| class="wikitable"
−
|+
+
!Task - software/analysis
−
!Task (hardware)
 
 
!DRI
 
!DRI
−
!Main dependencies
+
!Dependencies
 
!Status
 
!Status
−
!Finish by
 
 
|-
 
|-
−
|<s>Read out pressure sensor and debug code
+
|XAMS MC - simulate calibration sources, g1 expectation
−
|Marjolein
+
|AP/?
−
|Vikas
+
|
−
|Done
+
|
−
|Sept 23
 
 
|-
 
|-
−
|<s>Check if lamp noise is still there/what it looks like now
+
|VULCAN MC - simulate photon paths/coverage fraction of SiPMs
−
|Emily
+
|Anna
 +
|
 
|
 
|
−
|Done
 
−
|Sept 23</s>
 
 
|-
 
|-
−
|<s>Cooling system for sample/SiPM planning and component ordering (design, simulations, quotes for components)
+
|Based on XENON1T/nT data, calculate possible PTFE fluorescence efficiencies and compare to sensitivity achievable in VULCAN
−
|Emily
+
|Pranati
 +
|
 +
|
 +
|-
 +
|Analyse data from XAMS. Ask Carlo for help
 +
|
 +
|
 
|
 
|
−
|Done
 
−
|Sept 27
 
 
|-
 
|-
−
|<s>Get SiPM signal out of vacuum (1 channel for now, 9 channels eventually)</s>
+
|Analyse data from VULCAN. Ask Marjolein for help
−
|Emily
 
 
|
 
|
−
|Done
+
|
−
|Oct 1
+
|
 +
|}
 +
 
 +
=== Planning XAMS run September/October 2024 ===
 +
{| class="wikitable"
 +
|+
 +
!
 +
!What
 +
!Who
 
|-
 
|-
−
|<s>Leak check vacuum system and fix leaks</s>
+
|Friday 27-09-2024
−
- <s>clean vacuum chamber</s>
+
|RGA measurement
 +
GXe filling
  
−
- <s>pump down and check pressure + pump-down time</s>
+
Start cooling
 +
|Noor
 +
Tobias
  
−
- <s>tighten bolts on monochromator and feedthroughs</s>
+
Joost
  
−
- <s>pump down and check pressure + pump-down time</s>
+
Anna
−
|Marjolein (Jasmijn)
 
−
|Pressure read-out working
 
−
|Done
 
−
|Oct 1
 
 
|-
 
|-
−
|SiPM signal output
+
|Monday 30-09-2024
−
- <s>Adjust readout frequency cutoffs (Hans' one-channel board)</s>
+
|LXe filling
 +
|Noor
 +
Tobias
  
−
- <s>Test SiPM signal (noise) when pump and lamp are on, fix if necessary</s>
+
Joost
  
−
- <s>Connect and test the Zurich board - signal-to-noise</s>
+
Anna
  
−
- <s>Figure out what changes if any are needed to bias and read the fluorescence measurement SiPMs</s>
+
Maricke
 +
|-
 +
|Tuesday 01-10-2024
 +
|LXe filling
 +
Lifetime measurement + analysis explanation/training
  
−
- <s>Design and get a SiPM connector plug for inside the vacuum</s>
+
LED calibration + analysis explanation/training
−
|Emily
+
|Noor
−
|Vacuum/light leak eliminated
+
Tobias
−
|Done
+
 
−
|Oct 7 (Oct 20 for the new board)
+
Joost
 +
 
 +
Anna
 +
 
 +
Maricke
 
|-
 
|-
−
|Design SiPM array holder for fluorescence
+
|Wednesday 02-10-2024 -
−
|Marjolein/Emily
+
Friday 04-10-2024
−
|Preliminary analysis of sensitivity needs finished
+
|LED afterpulse measurements
−
|Started
+
|Maricke
−
|Nov
 
 
|-
 
|-
−
|Design SiPM array holder for reflectance/transmission
+
|Monday 07-10-2024
−
|Marjolein
+
|''To be determined''
−
|Analysis of physics goals finished
 
 
|
 
|
−
|Nov
 
 
|-
 
|-
−
|<s>Get SiPM signal to disk such that single-pulse rates can be measured (programmable CAEN digitizer for now, V1720 with XAMS-like read-out later)</s>
 
−
|Marjolein (Jasmijn)
 
 
|
 
|
 +
|...
 
|
 
|
−
|Nov
 
 
|-
 
|-
−
|<s>Get sample holder (fluorescence design) built</s>
 
−
|Emily
 
 
|
 
|
−
|Done
+
|...
−
|Nov
 
−
|-
 
−
|<s>Calibrations start</s>
 
−
|Emily Marjolein
 
−
|Minimum working setup
 
 
|
 
|
−
|Dec
 
 
|-
 
|-
−
|Install cooling system (LN2 plate, thermal shorts, LN2 fill system, super insulation)
+
|''No later than 25-10-2024''
−
|Emily
+
|Recuperation
−
|Delivery of components/LN2 approval for lab
+
|Noor
−
|
+
Tobias
−
|Dec/Jan
+
 
−
|-
+
Joost
−
|Set up slow-control read-out and data storage, monochromator motor control
+
 
−
|Vikas -> ?
+
Anna
−
|
+
 
−
|
+
Maricke (depends on the date)
−
|Jan
 
−
|}
 
−
{| class="wikitable"
 
−
|+
 
−
!Task (review and calculations)
 
−
!DRI
 
−
!Status
 
−
!Finish by
 
−
|-
 
−
|<s>Estimate sensitivity needs for observation of the PTFE fluorescence measurement in the setup (preliminary, rough calculation)</s>
 
−
|Emily (Jasmijn)
 
−
|Done
 
−
|Oct 28
 
−
|-
 
−
|<s>Review past reflectivity setup design/sample holder (that had XENON in mind) in light of DUNE needs</s>
 
−
|Marjolein
 
−
|Done
 
−
|Oct 30
 
 
|-
 
|-
−
|
 
 
|
 
|
 
|
 
|
Line 187: Line 222:
 
|}
 
|}
  
−
=== Update August 2022 ===
+
=== Vacations, Meetings, and general availability of people ===
 +
General:
 +
 
 +
Tina:
 +
 
 +
*
 +
 
 +
AP:
 +
 
 +
* Working from home in Sept.
 +
 
 +
Marjolein:
 +
 
 +
*Working from Bern from 18 to 24 September<br />
 +
 
 +
Vikas:
 +
 
 +
*
 +
*
 +
*
 +
 
 +
Pranati:
 +
 
 +
* On shift at LNGS 8th - 28th October
  
−
====== PhDs: ======
+
*
−
Vikas: At CERN until end of the year. Will work a little bit with CT technician to get code and slow control in good shape.
 
  
−
Emily: Focus on getting the SiPM signals to the digitisers. Work with Hans from ET department.
 
  
−
Marjolein: Focus on getting the data from the digitisers into a good format. Work with Maricke/Joran to copy XAMS read-out software.
+
Anna (MSc, Sept 2024 - July 2025):
  
−
====== Undergraduates: ======
+
* Lectures Wednesday 9-11 (only for September and October)
−
<s>Ilze (start Sept 12, HBO internship): Get vacuum chamber working correctly, design improved SiPM holder. Measure beam intensity as function of distance using SiPM</s>
+
* Lectures Thursday 9-11 (only for September and October)
 +
* Lectures Monday 15-17 (only for September and October)  
  
−
Jasmijn (start Sept, AUC capstone project):  Measure lamp spectrum. Based on expected PTFE fluorescence efficiency, calculate amount of light expected on SiPM, and whether that is measurable over the DC rate
+
*
  
−
Not free: Monday 11-14, Tuesday 11-13, Wednesday 9-12, Thursday 16-18, Friday 16-18
+
Joost (MSc, Sept 2024 - July 2025):
  
−
Lucia (January 2023): Measure the SiPM DC rate as a function of temperature
+
* Lectures on Monday 9-11
 +
Noor (BSc internship, Sept 2024 - Jan 2025):
  
−
======Projects for distibution======
+
*
−
# SiPM array and  holder --> reflectivity design (modelling/ mechanical viability/ feedthrough positioning)
 
−
# SiPM array and holder --> fluorescence design (modelling/ mechanical viability/ movement inside chamber/ solid angle coverage)
 
−
# Cooling system for sample holder/SiPMs (CAD/COMSOL/ LN2 bath)
 
−
# Put together a plan for data taking
 

Latest revision as of 13:54, 25 September 2024

Update September 2024 - joint XAMS project

Projects DRI Main dependencies Status Finish by
Finalise reflectivity measurements of DUNE cryostat components Marjolein/Vikas/Corryenne Oct 2024
Fluorescence measurements in VULCAN Anna
Delayed electrons and g1 in XAMS Joost
Calibration of XAMS Noor
Reflectance of DUNE cryostat components Corryenne June 2024
Measure time stability of D2 lamp intensity
Determine effect of exposure to radiation on fluorescence of plastics
Task - hardware DRI Dependencies Status
Design SiPM holder for fluorescence measurements Anna Reflectivity study finished
Set up and test cooling system for samples, SiPM Anna
Fully reconfigure VULCAN for fluorescence measurements Anna cooling system and SiPM holder ready
Test if signal from S13360-6050-PE is good with current VULCAN read-out board - if not, work with ET to design new circuit - also use Hamamatsu board and compare Anna/Joost
Test how signal from S13360-6050PE degrades when connected over a long cable as will be the case in XAMS - decide if we need pre-amplifier inside XAMS - together with ET Noor/Joost
Procure SiPM read-out board - 4+ channels, S13360-6050PE/CS SiPMs - from ET, possibly a total of 4 or so if economic Anna/Joost Previous SiPM test results
Install and test 16-channel digitiser for XAMS AP/Maricke XAMS test run finished?
Set up XAMS to start a run Tobias
Measure rest-gas composition in XAMS Noor
Measure outgassing from PTFE Noor
Re-design the guts of XAMS to include SiPM readout of a possible fluorescence signal (new PTFE sleeve). Ask advice from Marieke and from Oscar (from MT). Come up with a proposal. Joost/Noor
Task - software/analysis DRI Dependencies Status
XAMS MC - simulate calibration sources, g1 expectation AP/?
VULCAN MC - simulate photon paths/coverage fraction of SiPMs Anna
Based on XENON1T/nT data, calculate possible PTFE fluorescence efficiencies and compare to sensitivity achievable in VULCAN Pranati
Analyse data from XAMS. Ask Carlo for help
Analyse data from VULCAN. Ask Marjolein for help

Planning XAMS run September/October 2024

What Who
Friday 27-09-2024 RGA measurement

GXe filling

Start cooling

Noor

Tobias

Joost

Anna

Monday 30-09-2024 LXe filling Noor

Tobias

Joost

Anna

Maricke

Tuesday 01-10-2024 LXe filling

Lifetime measurement + analysis explanation/training

LED calibration + analysis explanation/training

Noor

Tobias

Joost

Anna

Maricke

Wednesday 02-10-2024 -

Friday 04-10-2024

LED afterpulse measurements Maricke
Monday 07-10-2024 To be determined
...
...
No later than 25-10-2024 Recuperation Noor

Tobias

Joost

Anna

Maricke (depends on the date)

Vacations, Meetings, and general availability of people

General:

Tina:

AP:

  • Working from home in Sept.

Marjolein:

  • Working from Bern from 18 to 24 September

Vikas:

Pranati:

  • On shift at LNGS 8th - 28th October


Anna (MSc, Sept 2024 - July 2025):

  • Lectures Wednesday 9-11 (only for September and October)
  • Lectures Thursday 9-11 (only for September and October)
  • Lectures Monday 15-17 (only for September and October)

Joost (MSc, Sept 2024 - July 2025):

  • Lectures on Monday 9-11

Noor (BSc internship, Sept 2024 - Jan 2025):

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