Difference between revisions of "BCAL"
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(→Roadmap toward a decision for Bcal Readout) |
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=== Roadmap toward a decision for Bcal Readout=== | === Roadmap toward a decision for Bcal Readout=== | ||
| − | #Technical specifications, already outlined in GlueX-doc-795 | + | #Technical specifications, already outlined in [http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=795 GlueX-doc-795] |
| − | #* SiPM tests are underway | + | #* [http://www.jlab.org/Hall-D/sipm_dev SiPM tests are underway] |
| − | #* Werner has recent results of tests of fine mesh PMTs | + | #* Werner has recent results of tests of fine mesh PMTs reported in [http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=1173 GlueX-doc-1173] |
# Geometry, especially related to acceptance gap between Bcal and Fcal. Detailed plan should be developed. | # Geometry, especially related to acceptance gap between Bcal and Fcal. Detailed plan should be developed. | ||
#* Light guides and inactive material is different for the two options. We need to simulate the effect of each | #* Light guides and inactive material is different for the two options. We need to simulate the effect of each | ||
| − | #* Precise configuration of light guides for FM pmts on the upstream end, where the field at the end of the Bcal exceeds 0.5 T. | + | #* Precise configuration of light guides for FM pmts on the upstream end, where the field at the end of the Bcal exceeds 0.5 T. See light guides studies in [http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=1077 GlueX-doc-1077] |
#* Detail description of cables and electronics on each detector | #* Detail description of cables and electronics on each detector | ||
# Granularity. | # Granularity. | ||
| Line 39: | Line 39: | ||
#* Resolution for various geometry options (mentioned above). | #* Resolution for various geometry options (mentioned above). | ||
# Detailed B-field plots including dependence on B-field components | # Detailed B-field plots including dependence on B-field components | ||
| + | #* [http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=912 Magnetic fields at the location of detector pmts] | ||
# Dynamic range required, especially for near pmt/small angle showers. | # Dynamic range required, especially for near pmt/small angle showers. | ||
Revision as of 09:40, 5 February 2009
Meetings
Ongoing Activities
Scintillation Fibers
- Documents
- Experimental Tests
Readout
Roadmap toward a decision for Bcal Readout
- Technical specifications, already outlined in GlueX-doc-795
- SiPM tests are underway
- Werner has recent results of tests of fine mesh PMTs reported in GlueX-doc-1173
- Geometry, especially related to acceptance gap between Bcal and Fcal. Detailed plan should be developed.
- Light guides and inactive material is different for the two options. We need to simulate the effect of each
- Precise configuration of light guides for FM pmts on the upstream end, where the field at the end of the Bcal exceeds 0.5 T. See light guides studies in GlueX-doc-1077
- Detail description of cables and electronics on each detector
- Granularity.
- Optimization of distribution between inner and outer detectors
- Which detectors should have discriminators and TDCs
- Study of signal splitting, choice of discriminator - has an impact on number of cables.
- Resolution
- Complete simulation studies for correct thresholds for the FM.
- Energy threshold for various assumed PDE and DR combinations.
- Studies of timing resolution. Realistic simulation for both photons and charged particles
- Resolution for various geometry options (mentioned above).
- Detailed B-field plots including dependence on B-field components
- Dynamic range required, especially for near pmt/small angle showers.
Silicon PM
Fine Mesh PMT
Light Guides
Magnetic Field
Monte Carlo
- BCAL Stand-Alone Monte Carlo - energy resolution
- BCAL Low-Energy Photon Response
- Sampling Fraction Fluctuations GlueX-Doc 827-v3
Electronics
Beam tests
Pb Sheet Widths
BCAL Construction and Mechanical Issues
Action Item Tracker
Archives
GlueX-notes: 985, 986, 987 and 989 document the Barrel Calorimeter as per the February 2008 Calorimeter Review.
