HAWC work at CSU
Because an image is worth more than a thousand words... Enjoy our work!
Production of bladders
We have setup a bladder factory off-campus in mid-2011. We are currently producing 4 bladders per week. The new CSU design includes PMT mounts for wet deployment, strenching ring loops at the bottom, and also a new design for the hatch.
Prototype Water Cherenkov Detector
We have a full-size WCD prototype at CSU to test all the different components of HAWC. It has been fully operational since March 2011. We re-deploy the new design bladder, and the new roof in April 2012. We are currently taking data with 7 PMTs, four scintillators burried underground, one scintillator on top of the volume of water, and the full laser calibration system.
We currently have three labs going for different components. Local slang: D218 (Miguel's lab), E10 (the HEPPA lab), and Weber 10 (the new lab).
Calibration & others tests (D218)
John Matthews (UNM), and Petra Hüntemeyer (MTU) came to do some first test with the laser calibration for the HAWC PMTs. We have also built here a portable welder, and two testing devices. One device is being used to measure the rate of water leakage for a given hole size, and another one for testing the PMTs under 7 psi of water pressure.
Four students from Harvey Mudd College came (with Brenda and Michael) to work at CSU. Among other engineering fun tasks, they're working on the design of the weights for the PMTs.
Initial bladder tests and current hatch kits (Weber 10)
Based on the Auger experience, we made the bladders for the VAMOS engineering array in the tight spaces of Weber 10. We currently use this lab to produce the hatch kits, and test the PMTs under 7 psi of water pressure.
Paddles & Muon Telescope (E 10)
As an undergraduate project, Petra built a muon telescope with four scintillators in coincidence.
Currently working on
- Production and deployment of bladders
- Operation of the full-size detector prototype
- Analysis of the scalers
- Measurement of temperatures (at the electronics racks and inside the tank)
- Study of temperature effects on the data
- Analysis of laser calibration data
- Muon trigger studies
- GRB analysis
- Calibration using cosmic ray data
- Event display