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Measurement E102M37

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Experiment: E-89-039, 2007

Spokespersons: S. Dytman, K. Giovanetti

Measurement comment: Electron beam energy is 4.056 GeV. Measurements are average of Phi* and 360-Phi*.

Publication:

Quantity measured: dσ/dΩ, mcbn/srad
Differential cross section.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: η p, polarization: none

Q2 : 1.3 — 2.1 GeV2
W : 1.51 — 1.53 GeV

Select data slice:
cos(θ) = dimensionless

Fit φ dependence:

 Observable quantity measured (Y axis): dσ/dΩ, mcbn/srad
Plot measurement data

Parameter (X axis): φ, degree

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:

cos(θ),
dimensionless 		φ,
degree 		dσ/dΩ,
mcbn/srad 		Data errors,
mcbn/srad 		Systematic errors,
mcbn/srad
-0.8 15 0.495 0.064 0.011
-0.4 15 0.677 0.067 0.018
0 15 0.589 0.064 0.008
0.4 15 0.677 0.07 0.019
0.8 15 0.394 0.058 0.012
-0.8 45 0.69 0.07 0.016
-0.4 45 0.565 0.062 0.006
0 45 0.605 0.066 0.019
0.4 45 0.509 0.065 0.014
0.8 45 0.369 0.059 0.02
-0.8 75 0.442 0.06 0.028
-0.4 75 0.462 0.058 0.018
0 75 0.533 0.068 0.02
0.4 75 0.501 0.064 0.009
0.8 75 0.41 0.062 0.01
-0.8 105 0.49 0.058 0.028
-0.4 105 0.537 0.061 0.019
0 105 0.485 0.075 0.013
0.4 105 0.506 0.077 0.047
0.8 105 0.432 0.064 0.015
-0.8 135 0.445 0.05 0.031
-0.4 135 0.492 0.061 0.007
0 135 0.54 0.067 0.023
0.4 135 0.57 0.074 0.035
0.8 135 0.469 0.064 0.018
-0.8 165 0.521 0.057 0.048
-0.4 165 0.494 0.056 0.036
0 165 0.519 0.064 0.041
0.4 165 0.496 0.064 0.025
0.8 165 0.518 0.065 0.011