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Experiment: E-89-039, 2007
Spokespersons: S. Dytman, K. Giovanetti
Measurement comment: Electron beam energy is 4.056 Gev. Fitted cross section asymmetry between phi=0 and 180 degrees. From fit to angular xs with constraint that fitted xs be positive over all phi.
Publication:
Quantity measured: AsymLT, dimensionless
Cross section asymmetry between phi*= 0 and 180 degrees.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: η p, polarization: none
Q2 : | 2.1 — 2.9 GeV2 |
---|---|
W : | 1.81 — 1.85 GeV |
Observable quantity measured (Y axis): AsymLT, dimensionless
Parameter (X axis): cos(θ), dimensionless |
Click here to get data in text file, delimited with tabs.
Measured data:
cos(θ),
dimensionless |
AsymLT,
dimensionless |
Negative uncertainty,
dimensionless |
Positive uncertainty,
dimensionless |
Systematic errors,
dimensionless |
---|---|---|---|---|
-0.8 | -1 | 0 | 2 | 0 |
-0.4 | 0.314 | 1.314 | 0.686 | 0.675 |
0 | 0.97 | 1.97 | 0.03 | 0.304 |
0.4 | 0.81 | 1.003 | 0.19 | 0.011 |
0.8 | -0.424 | 0.428 | 0.562 | 0.083 |