Difference between revisions of "BCAL"

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(Mini BCAL beam test for EIC/EPIC R&D)
 
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[[Image:BCAL.png|300px]]
 
[[Image:BCAL.png|300px]]
  
= Meetings=
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= References =
*[[Calorimetry Meetings]]
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= Ongoing Activities=
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# S. Adhikari <i>et al.</i> [GlueX Collaboration], "The GlueX Beamline and Detector", Nucl. Instrum. & Meth. A<b>987</b>, 164807 (2021), [https://doi.org/10.1016/j.nima.2020.164807 NIMA], [[https://arxiv.org/abs/2005.14272 ArXiv:2005.14272]], [[https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4294 GlueX-Doc 4294]][[https://inspirehep.net/literature?sort=mostrecent&size=25&page=1&q=refersto%3Arecid%3A1798503 Citations]].
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# T.D. Beattie et al.,  "Construction and performance of the barrel electromagnetic calorimeter for the GlueX experiment", Nucl. Instrum. & Meth. A<b>896</b>, 24-42 (2018), [[https://doi.org/10.1016/j.nima.2018.04.006 NIM A]], [[https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=3385 GlueX DocDB]].
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# [https://logbooks.jlab.org/book/hdbcal HDBCAL Log Book]
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# Complete list of GlueX Technical Publications can be found at [[Instrumentation_Publications#Instrumentation_Publications_.28most_recent_at_the_top.29n | Instrumentation Publications]]
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# [[BCAL Key Documents]]
  
== Scintillation Fibers ==
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= Meetings =
  
* Documents
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* [[Calorimetry Meetings]]
** [http://argus.phys.uregina.ca/gluex/DocDB/0010/001072/002/Fiber_NIM_R1.pdf Spectral response of scintillating fibres GlueX-Doc 1072-v2]
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* [[Calorimetry Archives]]
** [http://argus.phys.uregina.ca/gluex/DocDB/0010/001008/002/FiberStudyReport_032108_A.pdf Scintillating Fiber Measurements First Look GlueX-Doc 1008-v2]
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* Experimental Tests
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= Hardware and Construction =
** [[Private:Fiber Specs | Fiber Specs]]
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* See Chapter 3.4 of the [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=2511 Hall D / GlueX Technical Construction Report]
** [[Fiber Spectra - Regina]]
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* Details of the fabrication, quality assurance and historical data can be found at [[BCAL Construction]]
** [[Fiber Test Stand at JLAB | Fiber Test Stand at JLAB]]
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* [http://www.jlab.org/Hall-D/test/TranslationTable  Visual browser for electronic channel assignments]
** [[Fiber Tests at Regina | Fiber Tests at Regina]]
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* [[Media:SiPM assignments.png | Labeling of SiPM arrays]]
  
==Readout==
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=BCAL Online Information =
  
=== Roadmap toward a decision for Bcal Readout===
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* [https://halldweb.jlab.org/hdops/wiki/index.php/Barrel_Calorimeter_Shift Shift-Takers Information]
#Technical specifications, already outlined in GlueX-doc-795
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* [https://halldweb.jlab.org/hdops/wiki/index.php/Barrel_Calorimeter_Expert Experts Information]
#* SiPM tests are underway
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#* Werner has recent results of tests of fine mesh PMTs
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# Geometry, especially related to acceptance gap between Bcal and Fcal. Detailed plan should be developed.
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#*  Light guides and inactive material is different for the two options. We need to simulate the effect of each
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#* 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.
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#* Detail description of cables and electronics on each detector
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# Granularity.
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#* Optimization of distribution between inner and outer detectors
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#* Which detectors should have discriminators and TDCs
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#* Study of signal splitting, choice of discriminator - has an impact on number of cables.
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# Resolution
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#* Complete simulation studies for correct thresholds for the FM.
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#* Studies of timing resolution. Realistic simulation for both photons and charged particles
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#* Resolution for various geometry options (mentioned above).
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# Detailed B-field plots including dependence on B-field components
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# Dynamic range required, especially for near pmt/small angle showers.
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=== Silicon PM ===
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= Calibration =
*[[Private:SensL SiPMs | SensL SiPMs]]
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=== Fine Mesh PMT ===
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* [[BCAL Calibration | Timing, time-walk, position, attenuation length, and gain ratios]]
*[[Alternative readout | Alternative readout]]
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* [[pi0 gain calibration]]
  
=== Light Guides ===
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= Monitoring =
*[[Light Guide Collection | Light Guide Collection]]
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=== Magnetic Field ===
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* Monitoring plots
*[http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=912 Field at the location of pmts]
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* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4640 LED system and monitoring]
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* [[BCAL hadronic efficiencies]]
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* [[BCAL Costhe Efficiency | Reconstruction efficiency using Costhe Method]]
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* Efficiency - TBA
  
== Beam tests ==
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= Mini BCAL beam test for EIC/EPIC R&D =
* [[Beam/Cosmics Tests]]
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* [[Baby BCAL at JLab]] for general information (March 2023 beam test and August 2023 cosmics test)
* [http://argus.phys.uregina.ca/gluex/DocDB/0008/000804/005/BCAL06analysis2.pdf Analysis of the BCAL Hall-B Beam test GlueX-Doc 804-v5]
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* [[Baby BCAL at JLab Photos]] (March 2023)
 
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== Monte Carlo ==
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* [[BCAL Stand-Alone Monte Carlo - energy resolution]]
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* [[BCAL Low-Energy Photon Response]]
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* [http://argus.phys.uregina.ca/gluex/DocDB/0008/000827/003/BCALsampfrac_note2.pdf Sampling Fraction Fluctuations GlueX-Doc 827-v3]
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== Electronics ==
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*[[Alberta CFDs]]
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= Action Item Tracker =
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*[[Bcal Action Item Tracker]]
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= Archives =
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GlueX-notes: 985, 986, 987 and 989 document the Barrel Calorimeter as per the February 2008 Calorimeter Review.
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* [[Documents in Preparation]]
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* [[Current/Up-to-date Documents]]
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* [[Reference Documents]]
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* [[Obsolete/Outdated Documents]]
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Latest revision as of 08:31, 21 August 2023

BCAL.png

References

  1. S. Adhikari et al. [GlueX Collaboration], "The GlueX Beamline and Detector", Nucl. Instrum. & Meth. A987, 164807 (2021), NIMA, [ArXiv:2005.14272], [GlueX-Doc 4294][Citations].
  2. T.D. Beattie et al., "Construction and performance of the barrel electromagnetic calorimeter for the GlueX experiment", Nucl. Instrum. & Meth. A896, 24-42 (2018), [NIM A], [GlueX DocDB].
  3. HDBCAL Log Book
  4. Complete list of GlueX Technical Publications can be found at Instrumentation Publications
  5. BCAL Key Documents

Meetings

Hardware and Construction

BCAL Online Information

Calibration

Monitoring

Mini BCAL beam test for EIC/EPIC R&D