Difference between revisions of "Mattione Update 07092012"
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− | == Thrown Track Parameters == | + | == Y(2175) Study == |
+ | === Reaction === | ||
+ | * γ p → Y(2175), p | ||
+ | ** Y(2175) → π<sup>+</sup>, π<sup>-</sup>, φ | ||
+ | *** φ → K<sup>+</sup>, K<sup>-</sup> | ||
+ | * Final State: p, π<sup>+</sup>, π<sup>-</sup>, K<sup>+</sup>, K<sup>-</sup> | ||
+ | * ~530,000 Events Generated using genr8 with: 9 GeV Photons, Γ<sub>Y(2175)</sub> = 61 MeV/c<sup>2</sup>, t-slope = 5.0, 50.0 < Vertex-Z (cm) < 80.0 | ||
+ | |||
+ | === Background Channel === | ||
+ | * γ p → f<sub>1</sub>(1285), p | ||
+ | ** f<sub>1</sub>(1285) → π<sup>+</sup>, π<sup>-</sup>, π<sup>+</sup>, π<sup>-</sup> | ||
+ | * NOTE: had to trick genr8 by having the f<sub>1</sub>(1285) decay to η, η, and then each decaying to π<sup>+</sup>, π<sup>-</sup> | ||
+ | * Final State: p, π<sup>+</sup>, π<sup>-</sup>, π<sup>+</sup>, π<sup>-</sup> | ||
+ | * ~530,000 Events Generated using genr8 with: 9 GeV Photons, Γf<sub>1</sub>(1285) = 24 MeV/c<sup>2</sup>, t-slope = 5.0, 50.0 < Vertex-Z (cm) < 80.0 | ||
+ | |||
+ | === Pythia === | ||
+ | * Generated entire photon energy region | ||
+ | |||
+ | === Thrown Track Parameters === | ||
* Thrown Track Parameters | * Thrown Track Parameters |
Revision as of 20:31, 8 July 2012
Y(2175) Study
Reaction
- γ p → Y(2175), p
- Y(2175) → π+, π-, φ
- φ → K+, K-
- Y(2175) → π+, π-, φ
- Final State: p, π+, π-, K+, K-
- ~530,000 Events Generated using genr8 with: 9 GeV Photons, ΓY(2175) = 61 MeV/c2, t-slope = 5.0, 50.0 < Vertex-Z (cm) < 80.0
Background Channel
- γ p → f1(1285), p
- f1(1285) → π+, π-, π+, π-
- NOTE: had to trick genr8 by having the f1(1285) decay to η, η, and then each decaying to π+, π-
- Final State: p, π+, π-, π+, π-
- ~530,000 Events Generated using genr8 with: 9 GeV Photons, Γf1(1285) = 24 MeV/c2, t-slope = 5.0, 50.0 < Vertex-Z (cm) < 80.0
Pythia
- Generated entire photon energy region
Thrown Track Parameters
- Thrown Track Parameters
Track | Y(2175) | f1(1285) | Pythia |
---|---|---|---|
γ | |||
K+ | |||
K- | |||
π+ | |||
π- | |||
p |