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Measurement E102M22

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Experiment: E-89-039, 2007

Spokespersons: S. Dytman, K. Giovanetti

Measurement comment: Electron beam energy is 2.567 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 : 0.6 — 1 GeV2
W : 1.79 — 1.81 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
-0.9 15 0.039 0.021 0.005
-0.7 15 0.043 0.022 0.004
-0.5 15 0.009 0.02 0.001
-0.3 15 0.03 0.022 0.002
-0.1 15 0.002 0.028 0.012
0.1 15 0.074 0.029 0.006
0.3 15 0.038 0.04 0.009
0.5 15 0.137 0.042 0.004
0.7 15 0.054 0.036 0.005
0.9 15 0.002 0.032 0.003
-0.9 45 0.016 0.031 0.008
-0.7 45 0.027 0.031 0.006
-0.5 45 0.048 0.029 0.004
-0.3 45 0.026 0.041 0.001
-0.1 45 0.043 0.033 0.015
0.1 45 0.038 0.043 0.01
0.3 45 0.027 0.04 0.025
0.5 45 0.037 0.044 0.005
0.7 45 0.078 0.052 0.019
0.9 45 0.079 0.051 0.03
-0.9 75 0.09 0.042 0.007
-0.7 75 -0.002 0.032 0.011
-0.5 75 0.073 0.038 0.01
-0.3 75 0.121 0.039 0.009
-0.1 75 0.106 0.032 0.008
0.1 75 0.13 0.035 0.016
0.3 75 0.248 0.05 0.01
0.5 75 0.155 0.037 0.005
0.7 75 0.187 0.036 0.009
0.9 75 0.04 0.028 0.006
-0.9 105 0.01 0.039 0.007
-0.7 105 0.008 0.028 0.006
-0.5 105 0.053 0.025 0.003
-0.3 105 0.047 0.028 0.005
-0.1 105 0.067 0.032 0.007
0.1 105 0.077 0.034 0.004
0.3 105 0.073 0.03 0.005
0.5 105 0.096 0.045 0.016
0.7 105 0.162 0.045 0.017
0.9 105 0.1 0.035 0.019
-0.9 135 0.011 0.051 0.019
-0.7 135 -0.006 0.058 0.009
-0.5 135 -0.02 0.044 0.009
-0.3 135 0.116 0.108 0.009
-0.1 135 0.16 0.058 0.035
0.1 135 0.08 0.048 0.016
0.3 135 0.067 0.036 0.015
0.5 135 0.126 0.04 0.007
0.7 135 0.171 0.072 0.019
0.9 135 0.124 0.048 0.017
-0.9 165 0.056 0.057 0.007
-0.1 165 0.015 0.105 0.017
0.1 165 0.046 0.061 0.007
0.3 165 0.038 0.064 0.016
0.5 165 0.176 0.072 0.009
0.7 165 0.071 0.053 0.006
0.9 165 0.05 0.066 0.013