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Experiment: E99-105, 2002
Spokespersons: M. Garon, M. Guidal, E. S. Smith
Measurement comment: Virtual photon polarization parameter ε = 0.43. Errors include statistics and point-to-point sytematics, added in quadrature.
Publication:
Quantity measured: dσ/dφ, mcbn/rad
Differential cross section.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: ω p, polarization: none
Q2 : | 3.85 GeV2 |
---|---|
W : | 2.21 GeV |
xb : | 0.49 |
ε : | 0.43 |
Fit φ dependence: |
Observable quantity measured (Y axis): dσ/dφ, mcbn/rad
Parameter (X axis): φ, deg |
Click here to get data in text file, delimited with tabs.
Click here to get calculated fit coefficients in text file, delimited with tabs.
Measured data:
φ,
deg |
dσ/dφ,
mcbn/rad |
Data errors,
mcbn/rad |
---|---|---|
20 | 0.05607749 | 0.005676712 |
60 | 0.04168201 | 0.005311393 |
100 | 0.04403237 | 0.004277742 |
140 | 0.04367903 | 0.006216232 |
180 | 0.03081247 | 0.01207504 |
220 | 0.0510443 | 0.0065063 |
260 | 0.04293944 | 0.004828925 |
300 | 0.04666412 | 0.005181892 |
340 | 0.04838664 | 0.006578796 |