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Updated on Thu, 2007-02-22 15:22. Originally created by starembed on 2006-08-01 17:10.
Under:
dEdx Comparisons
Dca Distributions
Number of Fitted Points
These are dedx vs P graphs. All of them show reasonable agreement with data.(Done on May 2002)
| Pi Minus | K Minus | Proton |
| Pi Plus | K Plus | P Bar |
PI PLUS. In the following dca distributions some discrepancy is shown. Due to secondaries?
| Peripheral 0.1 GeV/c < pT < 0.2 Gev/c | MinBias 0.2 GeV/c < pT < 0.3 Gev/c | Central 0.3 GeV/c <pT < 0.4 GeV/c |
PI MINUS. Some discrepancy is shown. Due to secondaries?
| Peripheral 0.1 GeV/c < pT < 0.2 Gev/c | MinBias 0.2 GeV/c < pT < 0.3 Gev/c | Central 0.3 GeV/c <pT < 0.4 GeV/c |
K PLUS. In the following dca distributions Good agreement with data is shown.
| Peripheral 0.1 GeV/c < pT < 0.2 Gev/c | MinBias 0.2 GeV/c < pT < 0.3 Gev/c | Central 0.3 GeV/c <pT < 0.4 GeV/c |
K MINUS. In the following dca distributions Good agreement with data is shown.
| Peripheral 0.1 GeV/c < pT < 0.2 Gev/c | MinBias 0.2 GeV/c < pT < 0.3 Gev/c | Central 0.3 GeV/c <pT < 0.4 GeV/c |
PROTON. The real data Dca distribution is wider, especially at low pT -> Most likely due to secondary tracks in the sample. A tail from background protons dominating distribution at low pt can be clearly seen. Expected deviation from the primary MC tracks.
| Peripheral 0.2 GeV/c < pT < 0.3 Gev/c | MinBias 0.5 GeV/c < pT < 0.6 Gev/c | Central 0.7 GeV/c <pT < 0.8 GeV/c |
Pbar. The real data Dca distribution is wider, especially at low pT -> Most likely due to secondary tracks in the sample.
| Peripheral 0.2 GeV/c < pT < 0.3 Gev/c | MinBias 0.3 eV/c < pT < 0.4 Gev/c | Central 0.5 GeV/c <pT < 0.6 GeV/c |
PI PLUS. Good agreement with data is shown.
| Peripheral 0.1 GeV/c < pT < 0.2 Gev/c | MinBias 0.2 GeV/c < pT < 0.3 Gev/c | Central 0.3 GeV/c <pT < 0.4 GeV/c |
PI MINUS. Good agreement with data is shown.
| Peripheral 0.1 GeV/c < pT < 0.2 Gev/c | Peripheral 0.2 GeV/c < pT < 0.3 Gev/c | Peripheral 0.3 GeV/c < pT < 0.4 Gev/c |
K PLUS. Good agreement with data is shown.
| Peripheral 0.1 GeV/c < pT < 0.2 Gev/c | MinBias 0.2 GeV/c < pT < 0.3 Gev/c | Central 0.3 GeV/c <pT < 0.4 GeV/c |
K MINUS. Good agreement with data is shown.
| Peripheral 0.1 GeV/c < pT < 0.2 Gev/c | Peripheral 0.2 GeV/c < pT < 0.3 Gev/c | Peripheral 0.3 GeV/c < pT < 0.4 Gev/c |
PROTON. Good agreement with data is shown.
| Peripheral 0.2 GeV/c < pT < 0.3 Gev/c | Peripheral 0.3 GeV/c < pT < 0.4 Gev/c | Peripheral 0.5 GeV/c < pT < 0.6 Gev/c |
Pbar. Good agreement with data is shown.
| Peripheral 0.2 GeV/c < pT < 0.3 Gev/c | Peripheral 0.3 GeV/c < pT < 0.4 Gev/c | Peripheral 0.5 GeV/c < pT < 0.6 Gev/c |
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