Spring 2017 Analysis Launch Cuts
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Contents
PreSelect Cuts
- For a given DChargedTrack, at least one hypothesis must have a hit in either: BCAL/FCAL/TOF/SC.
- For a given DNeutralShower, it must at least have a shower energy of 100 MeV/c.
- For neutral showers in the BCAL, they must have hits in at least 2 cells.
Mass Cuts
PID | Invariant Mass (GeV/c2) | Missing Mass2 (GeV/c2)2 |
---|---|---|
None | NA | -0.1 < MM2 < 0.1 |
p | NA | -0.5 < MM2 < 4.41 |
p̅ | NA | -0.5 < MM2 < 4.41 |
n | None | -0.5 < MM2 < 4.41 |
π- | None | -1.0 < MM2 < 1.0 |
π+ | None | -1.0 < MM2 < 1.0 |
K+ | None | None |
K- | None | None |
e+ | None | None |
e- | None | None |
Missing P4 Cuts
Timing Cuts
Track Energy Cuts
PID | CDC dE/dx (keV/cm) | FDC dE/dx (keV/cm) | SC dE/dx (MeV/cm) | TOF dE/dx (MeV/cm) | BCAL Shower_E/Track_p (c) | FCAL Shower_E/Track_p (c) |
---|---|---|---|---|---|---|
p | dE/dx > e^(-3.93024*p + 3.0) + 1.0 | None | None | None | None | None |
p̅ | dE/dx > e^(-3.93024*p + 3.0) + 1.0 | None | None | None | None | None |
π+ | dE/dx < e^(-6.0*p + 2.80149) + 2.55 | None | None | None | None | None |
π- | dE/dx < e^(-6.0*p + 2.80149) + 2.55 | None | None | None | None | None |
K+ | dE/dx < e^(-6.0*p + 2.80149) + 2.55 | None | None | None | None | None |
K- | dE/dx < e^(-6.0*p + 2.80149) + 2.55 | None | None | None | None | None |
e+ | dE/dx < 5.5 | dE/dx < 3.5 | None | None | E/p > 0.67 | E/p > 0.7 |
e- | dE/dx < 5.5 | dE/dx < 3.5 | None | None | E/p > 0.67 | E/p > 0.7 |
Kinematic Fit
- If a kinematic fit has been performed, it must have converged.