Parameter (X axis): cos(θ), dimensionless
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Experiment: E-89-039, 2007
Spokespersons: S. Dytman, K. Giovanetti
Measurement comment: Electron beam energy is 2.567 Gev. From fit to angular xs with constraint that fitted xs be positive over all phi.
Publication:
Quantity measured: dσ/dΩT+ε·dσ/dΩL, mcbn/srad
The differential cross section for transverse photons plus the degree of longitudinal polarization of the virtual photon times the differential cross section for longitudinal photons.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: η p, polarization: none
| Q2 : | 0.6 — 1 GeV2 |
|---|---|
| W : | 1.55 — 1.57 GeV |
|
Observable quantity measured (Y axis): dσ/dΩT+ε·dσ/dΩL, mcbn/srad
Parameter (X axis): cos(θ), dimensionless |
Click here to get data in text file, delimited with tabs.
Measured data:
|
cos(θ),
dimensionless |
dσ/dΩT+ε·dσ/dΩL,
mcbn/srad |
Negative uncertainty,
mcbn/srad |
Positive uncertainty,
mcbn/srad |
Systematic errors,
mcbn/srad |
|---|---|---|---|---|
| -0.9 | 0.708 | 0.026 | 0.026 | 0.017 |
| -0.7 | 0.681 | 0.032 | 0.032 | 0.035 |
| -0.5 | 0.66 | 0.041 | 0.041 | 0.04 |
| -0.3 | 0.839 | 0.061 | 0.061 | 0.079 |
| -0.1 | 0.555 | 0.056 | 0.056 | 0.063 |
| 0.1 | 0.579 | 0.045 | 0.045 | 0.058 |
| 0.3 | 0.68 | 0.062 | 0.062 | 0.067 |
| 0.5 | 0.55 | 0.046 | 0.046 | 0.041 |
| 0.7 | 0.455 | 0.041 | 0.041 | 0.033 |
| 0.9 | 0.383 | 0.028 | 0.028 | 0.025 |