Difference between revisions of "Fall 2014 Commissioning Simulations"
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==Conditions== | ==Conditions== | ||
− | * Software | + | * Software - static conditions page |
** tags/sim-recon-commissioning | ** tags/sim-recon-commissioning | ||
** tags/hdds-commissioning | ** tags/hdds-commissioning | ||
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* 200M bggen events with Solenoid @ 0 A and 1200 A | * 200M bggen events with Solenoid @ 0 A and 1200 A | ||
* Assume unpolarized photon beam 1-10 MHz/GeV at the endpoint | * Assume unpolarized photon beam 1-10 MHz/GeV at the endpoint | ||
+ | ** BG parameters: min E(g) = 1.2 MeV, BGRATE 1.10, BGGATE -200. 200., | ||
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+ | == How to Access Data == | ||
+ | |||
+ | |||
+ | == How to Run Over Data == | ||
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==EM Background Simulations== | ==EM Background Simulations== |
Revision as of 18:00, 23 September 2014
Contents
Overview
This page is for the organization and sharing of information about simulations for the Fall 2014 Commissioning data.
General Info
Conditions
- Software - static conditions page
- tags/sim-recon-commissioning
- tags/hdds-commissioning
- JANA 0.7.2
- CCDB 1.02
- JANA_CALIB_CONTEXT="calibtime=2014-09-15" (provisional)
- 200M bggen events with Solenoid @ 0 A and 1200 A
- Assume unpolarized photon beam 1-10 MHz/GeV at the endpoint
- BG parameters: min E(g) = 1.2 MeV, BGRATE 1.10, BGGATE -200. 200.,
How to Access Data
How to Run Over Data
EM Background Simulations
The goal of these simulations is to determine the lowest field at which the solenoid magnet can be run while not having the detector overwhelmed with signals from background beam photons. The FDC and FCAL are the limiting factors.
- The zero magnetic field simulations described above.
- 1M each with Solenoid @ 50 A, 100 A, 200 A, 300 A
Other questions
- What is the background rate with no target?
- What is the background rate with various targets?
Hadronic Event Simulations
Overall hadronic rate
Reference: Fall 2014 Commissioning Plan
Assume 50 nA CW electron beam
1.5 µm Al | 10 µm Al | 30 µm Al | |
10mm CH2 | |||
2mm CH2 | |||
2/7mm CH2 | |||
3.4mm graphite |
Final States
These reactions can be used either as benchmarks due to their large cross section or are interesting to various subdetectors
- γp→π+π-p
- γp→π+π-π0(p), π0→γγ
- γp→π+π-π+π-(p)
- γp→ηπ+π-(p), η→γγ
- γp→K+K-π+π-(p)
- γp→K+Λ, Λ→pπ-