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Measurement E102M19

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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 : 1.73 — 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 0.06 0.031 0.007
-0.7 15 0.076 0.032 0.006
-0.5 15 0.049 0.027 0.011
-0.3 15 0.052 0.033 0.005
-0.1 15 0.054 0.031 0.005
0.1 15 0.053 0.033 0.003
0.3 15 0.05 0.037 0.003
0.5 15 0.092 0.031 0.006
0.7 15 0.145 0.034 0.008
0.9 15 0.039 0.033 0.007
-0.9 45 0.05 0.036 0.003
-0.7 45 0.014 0.035 0.003
-0.5 45 0.059 0.048 0.012
-0.3 45 0.123 0.048 0.017
-0.1 45 0.125 0.05 0.022
0.1 45 0.04 0.053 0.01
0.3 45 0.152 0.056 0.013
0.5 45 0.244 0.077 0.016
0.7 45 0.119 0.051 0.027
0.9 45 0.026 0.05 0.022
-0.9 75 0.025 0.05 0.006
-0.7 75 0.065 0.076 0.029
-0.5 75 0.06 0.048 0.009
-0.3 75 0.128 0.053 0.012
-0.1 75 0.148 0.049 0.012
0.1 75 0.174 0.045 0.017
0.3 75 0.14 0.045 0.011
0.5 75 0.269 0.048 0.009
0.7 75 0.216 0.044 0.011
0.9 75 0.108 0.041 0.015
-0.9 105 0.018 0.044 0.01
-0.7 105 0.082 0.051 0.021
-0.5 105 0.071 0.03 0.003
-0.3 105 0.08 0.037 0.011
-0.1 105 0.145 0.035 0.011
0.1 105 0.166 0.039 0.008
0.3 105 0.047 0.039 0.007
0.5 105 0.216 0.049 0.013
0.7 105 0.14 0.047 0.01
0.9 105 0.117 0.036 0.015
-0.9 135 0.058 0.061 0.009
-0.7 135 0.167 0.093 0.018
-0.5 135 0.078 0.048 0.006
-0.3 135 0.087 0.068 0.037
-0.1 135 0.069 0.082 0.022
0.1 135 0.219 0.116 0.021
0.3 135 0.044 0.052 0.017
0.5 135 0.154 0.075 0.016
0.7 135 0.097 0.048 0.011
0.9 135 0.077 0.058 0.01
-0.9 165 -0.001 0.06 0.014
0.1 165 0.323 0.127 0.032
0.3 165 0.229 0.093 0.01
0.5 165 0.228 0.086 0.013
0.7 165 0.115 0.084 0.018
0.9 165 0.197 0.129 0.051