Difference between revisions of "Spring 2017 Analysis Launch Cuts"

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(→‎Mass Cuts)
(→‎Mass Cuts)
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|}
 
<br style="clear:both;"/>
 
<br style="clear:both;"/>
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* Decaying Mesons
 
* Decaying Mesons
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|-
 
|-
 
! K<sub>S</sub>
 
! K<sub>S</sub>
 +
| 0.3 < IM < 0.7 || None
 +
|-
 +
! &eta;
 +
| 0.4 < IM < 0.7 || None
 +
|-
 +
! &eta;'
 +
| 0.6 < IM < 1.3 || None
 +
|-
 +
! &phi;
 +
| 0.8 < IM < 1.2 || None
 +
|-
 +
! D<sup>0</sup>
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| 1.8 < IM < 1.92 || None
 +
|-
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! J/&psi;
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| None || None
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|}
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<br style="clear:both;"/>
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 +
 +
* Decaying Baryons
 +
{| border="1" cellpadding="2" align="left" valign="top" style="text-align:center;"
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!width="50"| PID
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!width="200"| Invariant Mass (GeV/c<sup>2</sup>)
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!width="200"| Missing Mass<sup>2</sup> (GeV/c<sup>2</sup>)<sup>2</sup>
 +
|-
 +
! &Lambda;
 +
| 0.08 < IM < 0.19 || -1.0 < MM<sup>2</sup> < 1.0
 +
|-
 +
! &Sigma<sub>0</sub>
 
| 0.3 < IM < 0.7 || None
 
| 0.3 < IM < 0.7 || None
 
|-
 
|-

Revision as of 01:40, 28 July 2017

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

  • Detected Particles
PID Invariant Mass (GeV/c2) Missing Mass2 (GeV/c2)2
None NA -0.1 < MM2 < 0.1
γ NA -0.1 < MM2 < 0.1
e+ NA None
e- NA None
π- None -1.0 < MM2 < 1.0
π+ None -1.0 < MM2 < 1.0
K+ None None
K- None None
p NA -0.5 < MM2 < 4.41
p̅ NA -0.5 < MM2 < 4.41
n None -0.5 < MM2 < 4.41



  • Decaying Mesons
PID Invariant Mass (GeV/c2) Missing Mass2 (GeV/c2)2
π0 0.08 < IM < 0.19 -1.0 < MM2 < 1.0
KS 0.3 < IM < 0.7 None
η 0.4 < IM < 0.7 None
η' 0.6 < IM < 1.3 None
φ 0.8 < IM < 1.2 None
D0 1.8 < IM < 1.92 None
J/ψ None None



  • Decaying Baryons
PID Invariant Mass (GeV/c2) Missing Mass2 (GeV/c2)2
Λ 0.08 < IM < 0.19 -1.0 < MM2 < 1.0
&Sigma0 0.3 < IM < 0.7 None
η 0.4 < IM < 0.7 None
η' 0.6 < IM < 1.3 None
φ 0.8 < IM < 1.2 None
D0 1.8 < IM < 1.92 None
J/ψ 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.
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