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Measurement E102M35

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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 : 1 — 1.4 GeV2
W : 1.73 — 1.75 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 0.048 0.034 0.023
-0.7 15 0.035 0.037 0.007
-0.5 15 0.105 0.042 0.017
-0.3 15 0.021 0.043 0.028
-0.1 15 -0.067 0.05 0.008
0.1 15 0.083 0.051 0.023
0.3 15 -0.03 0.059 0.042
0.5 15 0.024 0.054 0.011
0.7 15 0.014 0.075 0.046
0.9 15 0.032 0.053 0.026
-0.9 45 -0.015 0.045 0.046
-0.7 45 0.062 0.034 0.013
-0.5 45 0.183 0.063 0.014
-0.3 45 0.102 0.053 0.004
-0.1 45 0.232 0.1 0.032
0.1 45 0.158 0.073 0.016
0.3 45 0.105 0.08 0.025
0.5 45 0.286 0.103 0.053
0.7 45 0.045 0.08 0.035
0.9 45 0.245 0.092 0.067
-0.9 75 0.053 0.045 0.016
-0.7 75 0.117 0.063 0.028
-0.5 75 -0.036 0.048 0.021
-0.3 75 0.074 0.052 0.009
-0.1 75 0.149 0.066 0.009
0.1 75 0.126 0.054 0.021
0.3 75 0.176 0.064 0.019
0.5 75 0.148 0.057 0.033
0.7 75 0.205 0.075 0.035
0.9 75 0.233 0.092 0.026
-0.9 105 -0.027 0.038 0.05
-0.7 105 0.064 0.06 0.008
-0.5 105 0.002 0.047 0.015
-0.3 105 0.06 0.044 0.006
-0.1 105 0.034 0.033 0.008
0.1 105 0.04 0.029 0.005
0.3 105 0.05 0.038 0.008
0.5 105 0.109 0.042 0.018
0.7 105 0.12 0.056 0.019
0.9 105 0.095 0.057 0.01
-0.9 135 0.019 0.046 0.007
-0.7 135 0.019 0.06 0.007
-0.5 135 0.025 0.04 0.003
-0.3 135 0.001 0.037 0.004
-0.1 135 0.096 0.063 0.018
0.1 135 0.214 0.085 0.061
0.3 135 0.013 0.065 0.02
0.5 135 0.103 0.078 0.074
0.7 135 0.077 0.063 0.042
0.9 135 0.126 0.081 0.046
0.5 165 0.2 0.123 0.031
0.7 165 0.134 0.191 0.058