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Measurement E102M18

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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 : 1.71 — 1.73 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 0.037 0.005
-0.7 15 0.051 0.034 0.017
-0.5 15 0.061 0.032 0.007
-0.3 15 0.098 0.037 0.009
-0.1 15 0.042 0.033 0.006
0.1 15 0.075 0.034 0.005
0.3 15 0.101 0.037 0.008
0.5 15 0.158 0.04 0.012
0.7 15 0.176 0.043 0.009
0.9 15 0.146 0.038 0.011
-0.9 45 0.074 0.037 0.011
-0.7 45 0.112 0.047 0.008
-0.5 45 0.08 0.054 0.011
-0.3 45 0.064 0.049 0.006
-0.1 45 0.028 0.047 0.004
0.1 45 0.179 0.071 0.023
0.3 45 0.071 0.053 0.004
0.5 45 0.193 0.06 0.033
0.7 45 0.066 0.049 0.007
0.9 45 0.161 0.058 0.006
-0.9 75 0.122 0.05 0.008
-0.7 75 0.037 0.073 0.033
-0.5 75 -0.009 0.033 0.003
-0.3 75 0.137 0.049 0.017
-0.1 75 0.155 0.051 0.012
0.1 75 0.178 0.045 0.009
0.3 75 0.232 0.05 0.012
0.5 75 0.17 0.044 0.012
0.7 75 0.26 0.046 0.016
0.9 75 0.211 0.072 0.029
-0.9 105 0.028 0.061 0.025
-0.7 105 0.101 0.07 0.02
-0.5 105 0.147 0.05 0.014
-0.3 105 0.122 0.036 0.007
-0.1 105 0.145 0.039 0.008
0.1 105 0.166 0.044 0.006
0.3 105 0.184 0.05 0.007
0.5 105 0.141 0.039 0.011
0.7 105 0.128 0.042 0.006
0.9 105 0.209 0.053 0.012
-0.9 135 0.119 0.077 0.027
-0.7 135 0.08 0.088 0.014
-0.5 135 0.092 0.054 0.01
-0.3 135 0.124 0.056 0.007
-0.1 135 0.227 0.081 0.015
0.1 135 0.158 0.117 0.087
0.3 135 -0.103 0.123 0.031
0.5 135 0.184 0.069 0.009
0.7 135 0.197 0.099 0.04
0.9 135 0.093 0.058 0.009
-0.9 165 -0.042 0.06 0.008
0.1 165 0.281 0.17 0
0.3 165 0.372 0.132 0.024
0.5 165 0.392 0.151 0.016
0.7 165 0.338 0.123 0.036