Difference between revisions of "Mattione Update 04212014"
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== Skim Standard Cuts == | == Skim Standard Cuts == | ||
− | * Combined tracking confidence level (FOM) must be >= | + | * These cuts are preliminary and subject to change. |
− | * Combined PID confidence level (FOM) must be >= | + | * Combined tracking confidence level (FOM) must be >= 5.73303 × 10<sup>-7</sup> (+/- 5σ) |
− | * VERY loose cuts around invariant/missing mass peaks (keep enough data around peak to do sideband subtraction | + | * Combined PID confidence level (FOM) must be >= 5.73303 × 10<sup>-7</sup> (+/- 5σ) |
+ | * VERY loose cuts around invariant/missing mass peaks (keep enough data around peak to do sideband subtraction) | ||
− | == Proposed Skims == | + | == Proposed Exclusive Skims == |
+ | * Note: "MM" is short for missing mass, "MMS" for missing mass squared, and "IM" for invariant mass | ||
+ | |||
+ | === Non-Strange Meson Channels === | ||
{| border="1" cellpadding="2" align="left" valign="top" style="text-align:center;" | {| border="1" cellpadding="2" align="left" valign="top" style="text-align:center;" | ||
− | !width=" | + | !width="100"| Channel |
− | !width=" | + | !width="150"| Topology |
− | !width="100"| % of Events | + | !width="200"| Mass Peak Cuts |
+ | !width="100"| Tag | ||
+ | !width="100"| % of Events | ||
+ | !width="100"| # of Events | ||
+ | |- | ||
+ | ! ππ | ||
+ | | γp→π<sup>+</sup>π<sup>-</sup>p || -0.1 < MMS < 0.1 || || || | ||
+ | |- | ||
+ | ! ππ | ||
+ | | γp→π<sup>+</sup>π<sup>0</sup>(n) <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! ππ | ||
+ | | γp→π<sup>0</sup>π<sup>0</sup>p <br> π<sup>0</sup>→γγ (Both) || -0.1 < MMS < 0.1 <br> 0.1 < π<sup>0</sup> IM < 0.17 (Both) || || || | ||
|- | |- | ||
! 3π | ! 3π | ||
− | | γp→π<sup>+</sup>π<sup>-</sup>π<sup>+</sup>(n) || | + | | γp→π<sup>+</sup>π<sup>-</sup>π<sup>+</sup>(n) || 0.01 < MMS < 3.24 || || || |
+ | |- | ||
+ | ! 3π | ||
+ | | γp→π<sup>+</sup>π<sup>-</sup>π<sup>0</sup>(p) <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! 4π | ||
+ | | γp→π<sup>+</sup>π<sup>-</sup>π<sup>+</sup>π<sup>-</sup>(p) || 0.01 < MMS < 3.24 || || || | ||
+ | |- | ||
+ | ! 4π | ||
+ | | γp→π<sup>+</sup>π<sup>-</sup>π<sup>+</sup>π<sup>0</sup>(n) <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! 5π | ||
+ | | γp→π<sup>+</sup>π<sup>-</sup>π<sup>+</sup>π<sup>-</sup>π<sup>0</sup>(p) <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! 5π | ||
+ | | γp→π<sup>+</sup>π<sup>-</sup>π<sup>+</sup>π<sup>-</sup>π<sup>+</sup>(n) || 0.01 < MMS < 3.24 || || || | ||
+ | |- | ||
+ | ! ω | ||
+ | | γp→ωp <br> ω→π<sup>+</sup>π<sup>-</sup>π<sup>0</sup> <br> π<sup>0</sup>→γγ || -0.1 < MMS < 0.1 <br> 0.5 < ω IM < 1.0 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! ωπ | ||
+ | | γp→ωπ<sup>+</sup>(n) <br> ω→π<sup>+</sup>π<sup>-</sup>π<sup>0</sup> <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.5 < ω IM < 1.0 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! ωπ | ||
+ | | γp→ωπ<sup>0</sup>(p) <br> ω→π<sup>+</sup>π<sup>-</sup>π<sup>0</sup> <br> π<sup>0</sup>→γγ (Both) || 0.01 < MMS < 3.24 <br> 0.5 < ω IM < 1.0 <br> 0.1 < π<sup>0</sup> IM < 0.17 (Both) || || || | ||
|- | |- | ||
! ωππ | ! ωππ | ||
− | | γp→ωπ<sup>+</sup>π<sup>-</sup>(p) | + | | γp→ωπ<sup>+</sup>π<sup>-</sup>(p) <br> ω→π<sup>+</sup>π<sup>-</sup>π<sup>0</sup> <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.5 < ω IM < 1.0 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || |
+ | |- | ||
+ | ! η | ||
+ | | γp→ηp <br> η→γγ || -0.1 < MMS < 0.1 <br> 0.3 < η IM < 0.8 || || || | ||
+ | |- | ||
+ | ! ηπ | ||
+ | | γp→ηπ<sup>0</sup>(p) <br> η→γγ <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.3 < η IM < 0.8 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! ηπ | ||
+ | | γp→ηπ<sup>+</sup>(n) <br> η→γγ || 0.01 < MMS < 3.24 <br> 0.3 < η IM < 0.8 || || || | ||
+ | |- | ||
+ | ! ηππ | ||
+ | | γp→ηπ<sup>+</sup>π<sup>-</sup>(p) <br> η→γγ || 0.01 < MMS < 3.24 <br> 0.3 < η IM < 0.8 || || || | ||
+ | |- | ||
+ | ! ηππ | ||
+ | | γp→ηπ<sup>+</sup>π<sup>0</sup>(n) <br> η→γγ <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.3 < η IM < 0.8 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! η3π | ||
+ | | γp→ηπ<sup>+</sup>π<sup>-</sup>π<sup>+</sup>(n) <br> η→γγ || 0.01 < MMS < 3.24 <br> 0.3 < η IM < 0.8 || || || | ||
+ | |- | ||
+ | ! η3π | ||
+ | | γp→ηπ<sup>+</sup>π<sup>-</sup>π<sup>0</sup>(p) <br> η→γγ <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.3 < η IM < 0.8 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! η4π | ||
+ | | γp→ηπ<sup>+</sup>π<sup>-</sup>π<sup>+</sup>π<sup>-</sup>(p) <br> η→γγ || 0.01 < MMS < 3.24 <br> 0.3 < η IM < 0.8 || || || | ||
+ | |- | ||
+ | ! ηηππ | ||
+ | | γp→ηηπ<sup>+</sup>π<sup>-</sup>(p) <br> η→γγ (Both) || 0.01 < MMS < 3.24 <br> 0.3 < η IM < 0.8 (Both) || || || | ||
+ | |- | ||
+ | ! η' | ||
+ | | γp→η'p <br> η'→π<sup>+</sup>π<sup>-</sup>η <br> η→γγ || -0.1 < MMS < 0.1 <br> 0.7 < η' IM < 1.2 <br> 0.3 < η IM < 0.8 || || || | ||
+ | |- | ||
+ | ! η'π | ||
+ | | γp→η'π<sup>0</sup>(p) <br> η'→π<sup>+</sup>π<sup>-</sup>η <br> η→γγ <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.7 < η' IM < 1.2 <br> 0.3 < η IM < 0.8 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! η'π | ||
+ | | γp→η'π<sup>+</sup>(n) <br> η'→π<sup>+</sup>π<sup>-</sup>η <br> η→γγ || 0.01 < MMS < 3.24 <br> 0.7 < η' IM < 1.2 <br> 0.3 < η IM < 0.8 || || || | ||
|} | |} | ||
+ | <br style="clear:both;"/> | ||
+ | |||
+ | === Strange Meson Channels === | ||
+ | {| border="1" cellpadding="2" align="left" valign="top" style="text-align:center;" | ||
+ | !width="100"| Channel | ||
+ | !width="150"| Topology | ||
+ | !width="200"| Mass Peak Cuts | ||
+ | !width="100"| Tag | ||
+ | !width="100"| % of Events | ||
+ | !width="100"| # of Events | ||
+ | |- | ||
+ | ! KK | ||
+ | | γp→K<sup>+</sup>K<sup>-</sup>p || -0.1 < MMS < 0.1 || || || | ||
+ | |- | ||
+ | ! KK | ||
+ | | γp→K<sup>+</sup>K<sub>S</sub><sup>0</sup>(n) <br> K<sub>S</sub><sup>0</sup>→π<sup>+</sup>π<sup>-</sup> || 0.01 < MMS < 3.24 <br> 0.3 < K<sub>S</sub><sup>0</sup> IM < 0.7 || || || | ||
+ | |- | ||
+ | ! φ | ||
+ | | γp→φp <br> φ→K<sup>+</sup>K<sup>-</sup> || -0.1 < MMS < 0.1 <br> φ IM < 1.2 || || || | ||
+ | |- | ||
+ | ! KKπ | ||
+ | | γp→K<sup>+</sup>K<sup>-</sup>π<sup>0</sup>(p) <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! KKπ | ||
+ | | γp→K<sup>+</sup>K<sub>S</sub><sup>0</sup>π<sup>-</sup>(p) <br> K<sub>S</sub><sup>0</sup>→π<sup>+</sup>π<sup>-</sup> || 0.01 < MMS < 3.24 <br> 0.3 < K<sub>S</sub><sup>0</sup> IM < 0.7 || || || | ||
+ | |- | ||
+ | ! KKπ | ||
+ | | γp→K<sup>-</sup>K<sub>S</sub><sup>0</sup>π<sup>+</sup>(p) <br> K<sub>S</sub><sup>0</sup>→π<sup>+</sup>π<sup>-</sup> || 0.01 < MMS < 3.24 <br> 0.3 < K<sub>S</sub><sup>0</sup> IM < 0.7 || || || | ||
+ | |- | ||
+ | ! KKπ | ||
+ | | γp→K<sup>+</sup>K<sup>-</sup>π<sup>+</sup>(n) || 0.01 < MMS < 3.24 || || || | ||
+ | |- | ||
+ | ! KKππ | ||
+ | | γp→K<sup>+</sup>K<sup>-</sup>π<sup>+</sup>π<sup>-</sup>(p) || 0.01 < MMS < 3.24 || || || | ||
+ | |- | ||
+ | ! KKππ | ||
+ | | γp→K<sup>+</sup>K<sup>-</sup>π<sup>+</sup>π<sup>0</sup>(n) <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! KKω | ||
+ | | γp→K<sup>+</sup>K<sup>-</sup>ω(p) <br> ω→π<sup>+</sup>π<sup>-</sup>π<sup>0</sup> <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.5 < ω IM < 1.0 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! KKω | ||
+ | | γp→K<sup>+</sup>K<sub>S</sub><sup>0</sup>ω(n) <br> K<sub>S</sub><sup>0</sup>→π<sup>+</sup>π<sup>-</sup> <br> ω→π<sup>+</sup>π<sup>-</sup>π<sup>0</sup> <br> π<sup>0</sup>→γγ || 0.01 < MMS < 3.24 <br> 0.3 < K<sub>S</sub><sup>0</sup> IM < 0.7 <br> 0.5 < ω IM < 1.0 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |} | ||
+ | <br style="clear:both;"/> | ||
+ | |||
+ | === Hyperon Channels === | ||
+ | {| border="1" cellpadding="2" align="left" valign="top" style="text-align:center;" | ||
+ | !width="100"| Channel | ||
+ | !width="150"| Topology | ||
+ | !width="200"| Mass Peak Cuts | ||
+ | !width="100"| Tag | ||
+ | !width="100"| % of Events | ||
+ | !width="100"| # of Events | ||
+ | |- | ||
+ | ! KΛ | ||
+ | | γp→K<sup>+</sup>Λ <br> Λ→pπ<sup>-</sup> || -0.1 < MMS < 0.1 <br> Λ IM < 1.2 || || || | ||
+ | |- | ||
+ | ! KKΞ | ||
+ | | γp→K<sup>+</sup>K<sup>+</sup>Ξ<sup>-</sup> <br> Ξ<sup>-</sup>→Λπ<sup>-</sup> <br> Λ→pπ<sup>-</sup> || -0.1 < MMS < 0.1 <br> Ξ<sup>-</sup> IM < 1.55 <br> Λ IM < 1.2 || || || | ||
+ | |} | ||
+ | <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="150"| Topology | ||
+ | !width="200"| Mass Peak Cuts | ||
+ | !width="100"| Tag | ||
+ | !width="100"| % of Events | ||
+ | !width="100"| # of Events | ||
+ | |- | ||
+ | ! η(X) | ||
+ | | γp→ηX <br> η→γγ || 0.3 < η IM < 0.8 || || || | ||
+ | |- | ||
+ | ! ω(X) | ||
+ | | γp→ωX <br> ω→π<sup>+</sup>π<sup>-</sup>π<sup>0</sup> <br> π<sup>0</sup>→γγ || 0.5 < ω IM < 1.0 <br> 0.1 < π<sup>0</sup> IM < 0.17 || || || | ||
+ | |- | ||
+ | ! η'(X) | ||
+ | | γp→η'X <br> η'→π<sup>+</sup>π<sup>-</sup>η <br> η→γγ || 0.7 < η' IM < 1.2 <br> 0.3 < η IM < 0.8 || || || | ||
+ | |- | ||
+ | ! φ(X) | ||
+ | | γp→φX <br> φ→K<sup>+</sup>K<sup>-</sup> || φ IM < 1.2 || || || | ||
+ | |- | ||
+ | ! Λ(X) | ||
+ | | γp→ΛX <br> Λ→pπ<sup>-</sup> || Λ IM < 1.2 || || || | ||
+ | |- | ||
+ | ! Ξ<sup>-</sup>(X) | ||
+ | | γp→Ξ<sup>-</sup>X <br> Ξ<sup>-</sup>→Λπ<sup>-</sup> <br> Λ→pπ<sup>-</sup> || Ξ<sup>-</sup> IM < 1.55 <br> Λ IM < 1.2 || || || | ||
+ | |} | ||
+ | <br style="clear:both;"/> | ||
+ | |||
+ | == n3pi Cut Study == | ||
+ | * Run 9003 (no EM background), ~5 MegaEvents, searching for γp→π<sup>+</sup>π<sup>+</sup>π<sup>-</sup>(n) | ||
+ | |||
+ | * Reconstructed Signal Combos (DCutAction_ThrownTopology, DCutAction_AllTruePID) (% is Signal Remaining) | ||
+ | ** All is 34361 combos (events) of 59562 thrown n3pi in ~5 MegaEvent sample: 57.7% Acceptance | ||
+ | ** +/- 5σ cut on Thrown <---> Detected matching for DCutAction_AllTruePID. | ||
+ | [[Image:Mattione_Update_04212014_n3piCutStudy_Signal.png|left|900px|thumb]] | ||
+ | <br style="clear:both;"/> | ||
+ | |||
+ | * All Reconstructed Combos (% is Signal Purity) | ||
+ | [[Image:Mattione_Update_04212014_n3piCutStudy_All.png|left|900px|thumb]] | ||
+ | <br style="clear:both;"/> | ||
+ | |||
+ | * All Reconstructed Combos - Zoomed (% is Signal Purity) | ||
+ | [[Image:Mattione_Update_04212014_n3piCutStudy_AllZoom.png|left|900px|thumb]] | ||
+ | <br style="clear:both;"/> | ||
+ | |||
+ | * All Reconstructed Combos - Zoomed Further (% is Signal Purity) | ||
+ | [[Image:Mattione_Update_04212014_n3piCutStudy_AllZoomMore.png|left|900px|thumb]] | ||
<br style="clear:both;"/> | <br style="clear:both;"/> |
Latest revision as of 01:51, 21 April 2014
Contents
Skim Standard Cuts
- These cuts are preliminary and subject to change.
- Combined tracking confidence level (FOM) must be >= 5.73303 × 10-7 (+/- 5σ)
- Combined PID confidence level (FOM) must be >= 5.73303 × 10-7 (+/- 5σ)
- VERY loose cuts around invariant/missing mass peaks (keep enough data around peak to do sideband subtraction)
Proposed Exclusive Skims
- Note: "MM" is short for missing mass, "MMS" for missing mass squared, and "IM" for invariant mass
Non-Strange Meson Channels
Channel | Topology | Mass Peak Cuts | Tag | % of Events | # of Events |
---|---|---|---|---|---|
ππ | γp→π+π-p | -0.1 < MMS < 0.1 | |||
ππ | γp→π+π0(n) π0→γγ |
0.01 < MMS < 3.24 0.1 < π0 IM < 0.17 |
|||
ππ | γp→π0π0p π0→γγ (Both) |
-0.1 < MMS < 0.1 0.1 < π0 IM < 0.17 (Both) |
|||
3π | γp→π+π-π+(n) | 0.01 < MMS < 3.24 | |||
3π | γp→π+π-π0(p) π0→γγ |
0.01 < MMS < 3.24 0.1 < π0 IM < 0.17 |
|||
4π | γp→π+π-π+π-(p) | 0.01 < MMS < 3.24 | |||
4π | γp→π+π-π+π0(n) π0→γγ |
0.01 < MMS < 3.24 0.1 < π0 IM < 0.17 |
|||
5π | γp→π+π-π+π-π0(p) π0→γγ |
0.01 < MMS < 3.24 0.1 < π0 IM < 0.17 |
|||
5π | γp→π+π-π+π-π+(n) | 0.01 < MMS < 3.24 | |||
ω | γp→ωp ω→π+π-π0 π0→γγ |
-0.1 < MMS < 0.1 0.5 < ω IM < 1.0 0.1 < π0 IM < 0.17 |
|||
ωπ | γp→ωπ+(n) ω→π+π-π0 π0→γγ |
0.01 < MMS < 3.24 0.5 < ω IM < 1.0 0.1 < π0 IM < 0.17 |
|||
ωπ | γp→ωπ0(p) ω→π+π-π0 π0→γγ (Both) |
0.01 < MMS < 3.24 0.5 < ω IM < 1.0 0.1 < π0 IM < 0.17 (Both) |
|||
ωππ | γp→ωπ+π-(p) ω→π+π-π0 π0→γγ |
0.01 < MMS < 3.24 0.5 < ω IM < 1.0 0.1 < π0 IM < 0.17 |
|||
η | γp→ηp η→γγ |
-0.1 < MMS < 0.1 0.3 < η IM < 0.8 |
|||
ηπ | γp→ηπ0(p) η→γγ π0→γγ |
0.01 < MMS < 3.24 0.3 < η IM < 0.8 0.1 < π0 IM < 0.17 |
|||
ηπ | γp→ηπ+(n) η→γγ |
0.01 < MMS < 3.24 0.3 < η IM < 0.8 |
|||
ηππ | γp→ηπ+π-(p) η→γγ |
0.01 < MMS < 3.24 0.3 < η IM < 0.8 |
|||
ηππ | γp→ηπ+π0(n) η→γγ π0→γγ |
0.01 < MMS < 3.24 0.3 < η IM < 0.8 0.1 < π0 IM < 0.17 |
|||
η3π | γp→ηπ+π-π+(n) η→γγ |
0.01 < MMS < 3.24 0.3 < η IM < 0.8 |
|||
η3π | γp→ηπ+π-π0(p) η→γγ π0→γγ |
0.01 < MMS < 3.24 0.3 < η IM < 0.8 0.1 < π0 IM < 0.17 |
|||
η4π | γp→ηπ+π-π+π-(p) η→γγ |
0.01 < MMS < 3.24 0.3 < η IM < 0.8 |
|||
ηηππ | γp→ηηπ+π-(p) η→γγ (Both) |
0.01 < MMS < 3.24 0.3 < η IM < 0.8 (Both) |
|||
η' | γp→η'p η'→π+π-η η→γγ |
-0.1 < MMS < 0.1 0.7 < η' IM < 1.2 0.3 < η IM < 0.8 |
|||
η'π | γp→η'π0(p) η'→π+π-η η→γγ π0→γγ |
0.01 < MMS < 3.24 0.7 < η' IM < 1.2 0.3 < η IM < 0.8 0.1 < π0 IM < 0.17 |
|||
η'π | γp→η'π+(n) η'→π+π-η η→γγ |
0.01 < MMS < 3.24 0.7 < η' IM < 1.2 0.3 < η IM < 0.8 |
Strange Meson Channels
Channel | Topology | Mass Peak Cuts | Tag | % of Events | # of Events |
---|---|---|---|---|---|
KK | γp→K+K-p | -0.1 < MMS < 0.1 | |||
KK | γp→K+KS0(n) KS0→π+π- |
0.01 < MMS < 3.24 0.3 < KS0 IM < 0.7 |
|||
φ | γp→φp φ→K+K- |
-0.1 < MMS < 0.1 φ IM < 1.2 |
|||
KKπ | γp→K+K-π0(p) π0→γγ |
0.01 < MMS < 3.24 0.1 < π0 IM < 0.17 |
|||
KKπ | γp→K+KS0π-(p) KS0→π+π- |
0.01 < MMS < 3.24 0.3 < KS0 IM < 0.7 |
|||
KKπ | γp→K-KS0π+(p) KS0→π+π- |
0.01 < MMS < 3.24 0.3 < KS0 IM < 0.7 |
|||
KKπ | γp→K+K-π+(n) | 0.01 < MMS < 3.24 | |||
KKππ | γp→K+K-π+π-(p) | 0.01 < MMS < 3.24 | |||
KKππ | γp→K+K-π+π0(n) π0→γγ |
0.01 < MMS < 3.24 0.1 < π0 IM < 0.17 |
|||
KKω | γp→K+K-ω(p) ω→π+π-π0 π0→γγ |
0.01 < MMS < 3.24 0.5 < ω IM < 1.0 0.1 < π0 IM < 0.17 |
|||
KKω | γp→K+KS0ω(n) KS0→π+π- ω→π+π-π0 π0→γγ |
0.01 < MMS < 3.24 0.3 < KS0 IM < 0.7 0.5 < ω IM < 1.0 0.1 < π0 IM < 0.17 |
Hyperon Channels
Channel | Topology | Mass Peak Cuts | Tag | % of Events | # of Events |
---|---|---|---|---|---|
KΛ | γp→K+Λ Λ→pπ- |
-0.1 < MMS < 0.1 Λ IM < 1.2 |
|||
KKΞ | γp→K+K+Ξ- Ξ-→Λπ- Λ→pπ- |
-0.1 < MMS < 0.1 Ξ- IM < 1.55 Λ IM < 1.2 |
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 | Tag | % of Events | # of Events |
---|---|---|---|---|---|
η(X) | γp→ηX η→γγ |
0.3 < η IM < 0.8 | |||
ω(X) | γp→ωX ω→π+π-π0 π0→γγ |
0.5 < ω IM < 1.0 0.1 < π0 IM < 0.17 |
|||
η'(X) | γp→η'X η'→π+π-η η→γγ |
0.7 < η' IM < 1.2 0.3 < η IM < 0.8 |
|||
φ(X) | γp→φX φ→K+K- |
φ IM < 1.2 | |||
Λ(X) | γp→ΛX Λ→pπ- |
Λ IM < 1.2 | |||
Ξ-(X) | γp→Ξ-X Ξ-→Λπ- Λ→pπ- |
Ξ- IM < 1.55 Λ IM < 1.2 |
n3pi Cut Study
- Run 9003 (no EM background), ~5 MegaEvents, searching for γp→π+π+π-(n)
- Reconstructed Signal Combos (DCutAction_ThrownTopology, DCutAction_AllTruePID) (% is Signal Remaining)
- All is 34361 combos (events) of 59562 thrown n3pi in ~5 MegaEvent sample: 57.7% Acceptance
- +/- 5σ cut on Thrown <---> Detected matching for DCutAction_AllTruePID.
- All Reconstructed Combos (% is Signal Purity)
- All Reconstructed Combos - Zoomed (% is Signal Purity)
- All Reconstructed Combos - Zoomed Further (% is Signal Purity)