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Measurement E102M32

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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 : 1.67 — 1.69 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 0.105 0.036 0.009
-0.7 15 0.12 0.036 0.009
-0.5 15 0.055 0.035 0.006
-0.3 15 0.094 0.038 0.011
-0.1 15 0.165 0.047 0.017
0.1 15 0.014 0.044 0.003
0.3 15 -0.001 0.04 0.011
0.5 15 -0.041 0.025 0.007
0.7 15 0.165 0.044 0.016
0.9 15 0.067 0.049 0.004
-0.9 45 0.104 0.036 0.007
-0.7 45 0.036 0.025 0.008
-0.5 45 0.106 0.048 0.008
-0.3 45 0.05 0.042 0.023
-0.1 45 0.028 0.054 0.016
0.1 45 0.077 0.055 0.028
0.3 45 0.131 0.051 0.026
0.5 45 -0.012 0.043 0.021
0.7 45 0.096 0.07 0.024
0.9 45 0.107 0.063 0.008
-0.9 75 0.011 0.051 0.002
-0.7 75 0.07 0.051 0.007
-0.5 75 0.092 0.045 0.006
-0.3 75 0.136 0.069 0.022
-0.1 75 0.052 0.036 0.003
0.1 75 0.065 0.039 0.021
0.3 75 0.058 0.038 0.003
0.5 75 0.115 0.045 0.005
0.7 75 0.055 0.042 0.004
0.9 75 -0.042 0.063 0.024
-0.9 105 0.014 0.052 0.019
-0.7 105 -0.038 0.047 0.029
-0.5 105 0.092 0.055 0.007
-0.3 105 0.03 0.047 0.004
-0.1 105 0.048 0.032 0.006
0.1 105 0.011 0.033 0.001
0.3 105 0.041 0.032 0.002
0.5 105 0.074 0.04 0.006
0.7 105 0.169 0.052 0.013
0.9 105 0.113 0.068 0.021
-0.9 135 -0.021 0.05 0.012
-0.7 135 0.173 0.16 0.048
-0.5 135 0.107 0.089 0.004
-0.3 135 0.029 0.047 0.005
-0.1 135 0.026 0.043 0.002
0.1 135 0.073 0.07 0.015
0.3 135 0.147 0.076 0.048
0.5 135 0.106 0.06 0.023
0.7 135 -0.026 0.043 0.007
0.9 135 0.067 0.071 0.019
-0.9 165 -0.026 0.051 0.008
0.9 165 0.191 0.141 0.041