Difference between revisions of "Mattione Update 04212014"
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* VERY loose cuts around invariant/missing mass peaks (keep enough data around peak to do sideband subtraction if desired) | * VERY loose cuts around invariant/missing mass peaks (keep enough data around peak to do sideband subtraction if desired) | ||
− | == Proposed Skims == | + | == Proposed Exclusive Skims == |
* Note: "MM" is short for missing mass, "MMS" for missing mass squared, and "IM" for invariant mass | * Note: "MM" is short for missing mass, "MMS" for missing mass squared, and "IM" for invariant mass | ||
{| border="1" cellpadding="2" align="left" valign="top" style="text-align:center;" | {| border="1" cellpadding="2" align="left" valign="top" style="text-align:center;" | ||
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|} | |} | ||
<br style="clear:both;"/> | <br style="clear:both;"/> | ||
+ | |||
+ | == Proposed Inclusive Skims == | ||
+ | * Note: "MM" is short for missing mass, "MMS" for missing mass squared, and "IM" for invariant mass | ||
+ | {| border="1" cellpadding="2" align="left" valign="top" style="text-align:center;" | ||
+ | !width="100"| Channel | ||
+ | !width="200"| Topology | ||
+ | !width="200"| Mass Peak Cuts | ||
+ | !width="100"| % of Events Remaining | ||
+ | |- | ||
+ | ! η | ||
+ | | γp→ηX <br> η→γγ || 0.3 < η IM < 0.8 || | ||
+ | } |
Revision as of 13:45, 14 April 2014
Skim Standard Cuts
- Combined tracking confidence level (FOM) must be >= 0.001
- Combined PID confidence level (FOM) must be >= 0.001
- VERY loose cuts around invariant/missing mass peaks (keep enough data around peak to do sideband subtraction if desired)
Proposed Exclusive Skims
- Note: "MM" is short for missing mass, "MMS" for missing mass squared, and "IM" for invariant mass
Channel | Topology | Mass Peak Cuts | % of Events Remaining |
---|---|---|---|
2π | γp→π+π-p | -0.02 < MMS < 0.02 | |
3π | γp→π+π-π+(n) | 0.3 < MM < 1.6 | |
3π | γp→π+π-π0p π0→γγ |
-0.02 < MMS < 0.02 0.1 < π0 IM < 0.17 |
|
4π | γp→π+π-π+π-(p) | 0.3 < MM < 1.6 | |
5π | γp→π+π-π+π-π0(p) π0→γγ |
0.3 < MM < 1.6 0.1 < π0 IM < 0.17 |
|
5π | γp→π+π-π+π-π+(n) | 0.3 < MM < 1.6 | |
ω | γp→ωp ω→π+π-π0 π0→γγ |
-0.02 < MMS < 0.02 0.5 < ω IM < 1.0 0.1 < π0 IM < 0.17 |
|
ωπ | γp→ωπ+(n) ω→π+π-π0 π0→γγ |
0.3 < MM < 1.6 0.5 < ω IM < 1.0 0.1 < π0 IM < 0.17 |
|
ωππ | γp→ωπ+π-(p) ω→π+π-π0 π0→γγ |
0.3 < MM < 1.6 0.5 < ω IM < 1.0 0.1 < π0 IM < 0.17 |
|
η | γp→ηp η→γγ |
-0.02 < MMS < 0.02 0.3 < η IM < 0.8 |
|
ηπ | γp→ηπ0(p) η→γγ π0→γγ |
0.3 < MM < 1.6 0.3 < η IM < 0.8 0.1 < π0 IM < 0.17 |
Proposed Inclusive Skims
- Note: "MM" is short for missing mass, "MMS" for missing mass squared, and "IM" for invariant mass
Channel | Topology | Mass Peak Cuts | % of Events Remaining |
---|---|---|---|
η | γp→ηX η→γγ |
0.3 < η IM < 0.8 |
} |