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Measurement E15M58

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Experiment: E99-105, 2002

Spokespersons: M. Garon, M. Guidal, E. S. Smith

Measurement comment: Virtual photon polarization parameter ε = 0.79. 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 : 2.371 GeV2
W : 1.85 GeV
xb : 0.481
ε : 0.79

Fit φ dependence:

Observable quantity measured (Y axis): dσ/dφ, mcbn/rad
Plot measurement data

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 0.3185566 0.02609962
60 0.2423351 0.02462298
100 0.2552031 0.04861697
140 0.1637321 0.05003082
180 0.247289 0.06322036
220 0.1668606 0.05620165
260 0.3045476 0.04553483
300 0.2685049 0.0252901
340 0.2701128 0.05041863