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Experiment: E-89-039, 2007
Spokespersons: S. Dytman, K. Giovanetti
Measurement comment: Electron beam energy is 1.515 Gev. Fitted cross section asymmetry between phi=0/180 and 90/270 degrees. From fit to angular xs with constraint that fitted xs be positive over all phi.
Publication:
Quantity measured: AsymTT, dimensionless
Cross section asymmetry between phi*=0/180 and 90/270 degrees.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: η p, polarization: none
Q2 : | 0.2 — 0.4 GeV2 |
---|---|
W : | 1.51 — 1.53 GeV |
Observable quantity measured (Y axis): AsymTT, dimensionless
Parameter (X axis): cos(θ), dimensionless |
Click here to get data in text file, delimited with tabs.
Measured data:
cos(θ),
dimensionless |
AsymTT,
dimensionless |
Negative uncertainty,
dimensionless |
Positive uncertainty,
dimensionless |
Systematic errors,
dimensionless |
---|---|---|---|---|
-0.9 | -0.04 | 0.035 | 0.035 | 0.003 |
-0.7 | 0.18 | 0.067 | 0.068 | 0.028 |
-0.5 | 0.278 | 0.101 | 0.078 | 0.014 |
-0.3 | 0.247 | 0.064 | 0.06 | 0.072 |
-0.1 | 0.134 | 0.063 | 0.061 | 0.041 |
0.1 | 0.028 | 0.061 | 0.06 | 0.059 |
0.3 | 0.256 | 0.057 | 0.055 | 0.004 |
0.5 | 0.243 | 0.056 | 0.054 | 0.001 |
0.7 | 0.18 | 0.077 | 0.074 | 0.017 |
0.9 | 0.267 | 0.059 | 0.06 | 0.019 |