Difference between revisions of "February 29, 2008 Calorimetry"
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# [[Private:Fiber Specs | Fiber Specifications]] | # [[Private:Fiber Specs | Fiber Specifications]] | ||
#* Fiber measurements (JLab and Regina) | #* Fiber measurements (JLab and Regina) | ||
| − | #* [ | + | #* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=924 BCAL Scintillating Fiber Emission Spectra Analysis - Alex, George and Zisis] |
#* [http://dustbunny.physics.indiana.edu/~dzierba/moyal_fits/ Work in progress - new emission spectra measurements and analysis.] | #* [http://dustbunny.physics.indiana.edu/~dzierba/moyal_fits/ Work in progress - new emission spectra measurements and analysis.] | ||
# FCAL Update | # FCAL Update | ||
| Line 34: | Line 34: | ||
=Minutes= | =Minutes= | ||
| + | |||
| + | # Input to the DC and PID Review | ||
| + | #* Timing for tof measurements (charged tracks) | ||
| + | #** Elton suggested we use 200 ps for mip timing resolution. Note from cosmics: sigma(cell)=425 ps -> sigma(mip)=425/sqrt(6) = 175 ps. (Consistent with Alex's plot). Agreed to use this value for the upcoming DC/PID review. | ||
| + | #* [http://dustbunny.physics.indiana.edu/~dzierba/Leap/ARD_Kinem.pdf See the last slide of this talk on charged particle kinematics by Alex] | ||
| + | # [[Private:Fiber Specs | Fiber Specifications]] | ||
| + | #* Fiber measurements Regina. Attenuation lengths of BCF-20 and BCF-60 were measured. The measured 2m long BCF-20 pieces have significantly smaller attenuation lengths (~ 130 cm) thant the BCF-20 4m long pieces obtained last year (~ 270cm). The BCF-60 samples show attenuation lengths of about 300 cm. | ||
| + | #* [https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=924 BCAL Scintillating Fiber Emission Spectra Analysis - Alex, George and Zisis] | ||
| + | #* [http://dustbunny.physics.indiana.edu/~dzierba/moyal_fits/ Work in progress - new emission spectra measurements and analysis.] | ||
| + | # FCAL Update | ||
| + | # BCAL Update | ||
| + | #* [http://dustbunny.physics.indiana.edu/~dzierba/Leap/BCAL_sigmat_1.pdf Timing resolution for photons using Run2334 from the Hall B Beam Test by Alex] | ||
| + | #* [http://www.jlab.org/~semenov/talk080229.pdf Talk by A. Semenov and I. Semenova on Testing SiPM with a Sr90 Source] | ||
| + | #* Positive charged particle multiplicity as function of momentum at different z-poisitons in BCAL and polar angle passing through TOF. These momentum distributions are also shown agains the event multiplicity. Ratios of these multiplicities as a function of momentum in z (BCAL) and polar angle (FCAL) respectively are also shown. The file AAAREADME contains a description of all the files in: [http://dustbunny.physics.indiana.edu/~bzihlman/PLOTS] | ||
| + | # Calibration Update / Discussion | ||
| + | #* Goals for calibration | ||
| + | #* Deployment in various subsystems | ||
| + | # Any other business | ||
Latest revision as of 17:00, 24 February 2017
Connection
- The meeting will be held at 10:00 EST (9:00 CST)
- Phone:
- +1-800-377-8846 : US
- +1-888-276-7715 : Canada
- +1-302-709-8424 : International
- then enter participant code: 39527048# (remember the "#")
Reference Documents
- Previous minutes: January 25, 2008 Calorimetry
- Schedule, Tracker and Drawings (gluex pass)
DRAFT Agenda
- Input to the DC and PID Review
- Timing for tof measurements (charged tracks)
- I suggest we use 200 ps for mip timing resolution. Note from cosmics: sigma(cell)=425 ps -> sigma(mip)=425/sqrt(6) = 175 ps. (Consistent with Alex's plot).
- See the last slide of this talk on charged particle kinematics by Alex
- Timing for tof measurements (charged tracks)
- Fiber Specifications
- Fiber measurements (JLab and Regina)
- BCAL Scintillating Fiber Emission Spectra Analysis - Alex, George and Zisis
- Work in progress - new emission spectra measurements and analysis.
- FCAL Update
- BCAL Update
- Timing resolution for photons using Run2334 from the Hall B Beam Test by Alex
- Talk by A. Semenov and I. Semenova on Testing SiPM with a Sr90 Source
- Positive charged particle multiplicity as function of momentum at different z-poisitons in BCAL and polar angle passing through TOF. These momentum distributions are also shown agains the event multiplicity. Ratios of these multiplicities as a function of momentum in z (BCAL) and polar angle (FCAL) respectively are also shown. The file AAAREADME contains a description of all the files in: [1]
- Calibration Update / Discussion
- Goals for calibration
- Deployment in various subsystems
- Any other business
Minutes
- Input to the DC and PID Review
- Timing for tof measurements (charged tracks)
- Elton suggested we use 200 ps for mip timing resolution. Note from cosmics: sigma(cell)=425 ps -> sigma(mip)=425/sqrt(6) = 175 ps. (Consistent with Alex's plot). Agreed to use this value for the upcoming DC/PID review.
- See the last slide of this talk on charged particle kinematics by Alex
- Timing for tof measurements (charged tracks)
- Fiber Specifications
- Fiber measurements Regina. Attenuation lengths of BCF-20 and BCF-60 were measured. The measured 2m long BCF-20 pieces have significantly smaller attenuation lengths (~ 130 cm) thant the BCF-20 4m long pieces obtained last year (~ 270cm). The BCF-60 samples show attenuation lengths of about 300 cm.
- BCAL Scintillating Fiber Emission Spectra Analysis - Alex, George and Zisis
- Work in progress - new emission spectra measurements and analysis.
- FCAL Update
- BCAL Update
- Timing resolution for photons using Run2334 from the Hall B Beam Test by Alex
- Talk by A. Semenov and I. Semenova on Testing SiPM with a Sr90 Source
- Positive charged particle multiplicity as function of momentum at different z-poisitons in BCAL and polar angle passing through TOF. These momentum distributions are also shown agains the event multiplicity. Ratios of these multiplicities as a function of momentum in z (BCAL) and polar angle (FCAL) respectively are also shown. The file AAAREADME contains a description of all the files in: [2]
- Calibration Update / Discussion
- Goals for calibration
- Deployment in various subsystems
- Any other business
