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Measurement E102M8

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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 : 1.51 — 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
-0.9 15 0.708 0.069 0.011
-0.7 15 0.862 0.07 0.018
-0.5 15 1.039 0.082 0.026
-0.3 15 1.04 0.082 0.023
-0.1 15 0.828 0.065 0.012
0.1 15 0.923 0.071 0.022
0.3 15 0.785 0.06 0.013
0.5 15 0.882 0.068 0.028
0.7 15 1.061 0.083 0.036
0.9 15 0.923 0.077 0.011
-0.9 45 0.912 0.072 0.029
-0.7 45 1.001 0.079 0.017
-0.5 45 0.855 0.075 0.017
-0.3 45 0.916 0.079 0.012
-0.1 45 0.881 0.077 0.01
0.1 45 0.769 0.067 0.013
0.3 45 0.852 0.073 0.01
0.5 45 0.805 0.075 0.007
0.7 45 0.889 0.083 0.015
0.9 45 0.742 0.072 0.026
-0.9 75 0.985 0.077 0.042
-0.7 75 0.964 0.084 0.02
-0.5 75 0.822 0.093 0.008
-0.3 75 0.84 0.097 0.037
-0.1 75 0.658 0.096 0.016
0.1 75 0.734 0.09 0.051
0.3 75 0.853 0.105 0.051
0.5 75 0.891 0.105 0.088
0.7 75 0.872 0.1 0.041
0.9 75 0.653 0.07 0.022
-0.9 105 1.013 0.075 0.029
-0.7 105 0.904 0.08 0.024
-0.5 105 0.913 0.105 0.031
-0.3 105 0.933 0.13 0.047
-0.1 105 0.649 0.121 0.069
0.1 105 0.658 0.12 0.118
0.3 105 0.635 0.123 0.092
0.5 105 0.541 0.108 0.078
0.7 105 0.725 0.115 0.079
0.9 105 0.723 0.083 0.007
-0.9 135 1.027 0.075 0.044
-0.7 135 0.968 0.091 0.011
-0.5 135 1.112 0.126 0.029
-0.3 135 0.99 0.141 0.076
-0.1 135 0.686 0.136 0.245
0.1 135 0.543 0.131 0.144
0.3 135 0.833 0.143 0.246
0.5 135 0.688 0.129 0.132
0.7 135 0.603 0.111 0.074
0.9 135 0.717 0.08 0.01
-0.9 165 1.033 0.079 0.058
-0.7 165 0.913 0.074 0.045
-0.5 165 0.894 0.082 0.007
-0.3 165 0.929 0.1 0.017
-0.1 165 0.842 0.096 0.007
0.1 165 0.526 0.086 0.038
0.3 165 0.801 0.1 0.067
0.5 165 0.965 0.109 0.046
0.7 165 0.667 0.088 0.015
0.9 165 0.567 0.068 0.006