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Revision as of 20:22, September 20, 2021
These are the wiki pages for the Digital and the analog Gammasphere Data Acquisition systems (GS DAQs). Procedures for running the DAQs and the data format will be documented here.
The GS DAQ serves the Gammasphere detector array (http://www.phy.anl.gov/gammasphere/), located at the ATLAS accelerator (http://www.phy.anl.gov/atlas), home of the CAlifornium Rare Isotope Breeder Upgrade (CARIBU http://www.phy.anl.gov/atlas/caribu/).
Contact mailto:[email protected] for comments on, and write access to, these wiki pages
Digital Gammasphere
The intro section contains an interactive block diagram of the DGS system prior to the 2021 Upgrade Project.
o intro
o list of experimental runs/analysis
User Guides for Experiments
The following links contain brief guides that are used for EVERY experiment with Digital Gammashpere. It outlines the directory structure, start/stop data collection, merging and sorting data, calibrating the HPGe detectors, etc. These are meant for all ATLAS Users who take shifts for experiments.
o some problems and their solutions
o Beginner Guide to Digitizer Firmware
Advanced User Guides
The following links contain more detailed guides on how to setup an experiment for Digital Gammasphere. They cover more advanced topics for ATLAS Users who have experience running experiments and desire a deeper understanding of Gammasphere's systems and supporting software/firmware/devices.
o handeling removable disks under ESATA
o Advanced Guide to Digitizer Firmware
Expert Documentation
The following links contain highly detailed documentation and procedures developed by onsite experts. These are meant for training personnel in experimental operations, testing/developing/implementing new hardware/firmware/software, and for ATLAS User Principal Investigators who want to understand certain functionality specific to their proposed experiment.
o The DGS/DFMA EPICS Implementation
o Tim Madden software documentation
Hardware
This section outlines the hardware of Gammasphere including detectors and signal processing electronics.
Gammasphere Detector Module
This section provides an interactive picture that is linked to detailed explanations of each detector after the 2021 Upgrade Project.
Support Devices
- Network Accessible Power Control Units of DGS
- Attempts at Inventory
- MyRIAD_User_Manaual
- MyRIAD_Abridged_User_Notes
- CrateAndBoardMapping
Analog Gammasphere
On-Site Experts Only
o Updating Firmware in Digitizers and Triggers
Digitizer hardware features you probably don't know about
- The digitizer has a DAC output.
- The digitizer has a buffer amplifier that drives a copy of the analog signal going into channel 9 to outputs on the front panel. This is a simple analog buffer, no shaping, sampling or anything else.
contact list
Mike Carpenter, mailto:[email protected]
John Anderson, mailto:[email protected]
Michael Oberling, mailto:[email protected]
Torben Lauritsen, mailto:[email protected]
Darek Seweryniak, mailto:[email protected]
Pat Copp, mailto:[email protected]
Amel Korichi, mailto:[email protected]
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