Difference between revisions of "Pion Meeting June 25 2021 11AM ET"
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=Attendance= | =Attendance= | ||
| + | Elham, David, Julia, Jim, Sakib, Wouter | ||
=Minutes= | =Minutes= | ||
| + | |||
| + | * Updates on pion detector studies (Elham) | ||
| + | ** Changed concrete donut to lead: decreases pions but no impact on electron background at low energies | ||
| + | *** Is more shielding bad? More hadronic interaction of pions, but not affected by shielding | ||
| + | ** Changed showermax lightguide to vacuum: increase rate of low energy electrons | ||
| + | * Pion detector updates (David) | ||
| + | ** What enters and exits the showermax? | ||
| + | *** Picture of primaries leaving the showermax: the transition showermax detectors are where the primaries 'miss' the showermax | ||
| + | *** No pathological angles between sectors | ||
| + | *** Showermax should be staggered in r as well as z | ||
| + | *** Same issue when changing donut concrete to lead | ||
| + | ** Are the particles hitting the back of the donut with angles less than 3.2 degree nominal angle? | ||
| + | ** Pion detector sees fair sample of pions, similar to what the showermax (and ring 5) sees | ||
| + | ** TODO: | ||
| + | *** Stagger showermax in radius; tilt showermax by angle of 3.2 degrees | ||
| + | *** Taper donut to shallower outer angle of 2.8 degrees | ||
| + | *** Reduce phi acceptance of lucite, with pion rates as baseline | ||
| + | * Bayesian pion background correction (Julia, Elham) | ||
| + | ** | ||
Latest revision as of 19:23, 25 June 2021
Back to Main Page >> Pion Meetings
- Bluejeans link: 420 107 252
- Dial-in: 408-740-7256 (US), 888-240-2560 (US Toll Free), 408-317-9253 (Alternate number)
Agenda
- Updates on pion detector studies (Elham)
- Pion detector updates (David)
- Bayesian pion background correction (Julia, Elham)
Attendance
Elham, David, Julia, Jim, Sakib, Wouter
Minutes
- Updates on pion detector studies (Elham)
- Changed concrete donut to lead: decreases pions but no impact on electron background at low energies
- Is more shielding bad? More hadronic interaction of pions, but not affected by shielding
- Changed showermax lightguide to vacuum: increase rate of low energy electrons
- Changed concrete donut to lead: decreases pions but no impact on electron background at low energies
- Pion detector updates (David)
- What enters and exits the showermax?
- Picture of primaries leaving the showermax: the transition showermax detectors are where the primaries 'miss' the showermax
- No pathological angles between sectors
- Showermax should be staggered in r as well as z
- Same issue when changing donut concrete to lead
- Are the particles hitting the back of the donut with angles less than 3.2 degree nominal angle?
- Pion detector sees fair sample of pions, similar to what the showermax (and ring 5) sees
- TODO:
- Stagger showermax in radius; tilt showermax by angle of 3.2 degrees
- Taper donut to shallower outer angle of 2.8 degrees
- Reduce phi acceptance of lucite, with pion rates as baseline
- What enters and exits the showermax?
- Bayesian pion background correction (Julia, Elham)
