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Measurement E102M61

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Experiment: E-89-039, 2007

Spokespersons: S. Dytman, K. Giovanetti

Measurement comment: Electron beam energy is 4.056 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 : 1.3 — 2.1 GeV2
W : 1.99 — 2.01 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 view sliced data.

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Click here to get data in text file, delimited with tabs.

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Measured data:

cos(θ),
dimensionless
φ,
degree
dσ/dΩ,
mcbn/srad
Data errors,
mcbn/srad
Systematic errors,
mcbn/srad
-0.8 15 0.003 0.009 0.001
-0.4 15 0.002 0.01 0.001
0 15 0.001 0.015 0.001
0.4 15 0.016 0.025 0.001
0.8 15 0.043 0.021 0.007
-0.8 45 -0.001 0.009 0.001
-0.4 45 -0.007 0.017 0.001
0 45 0.04 0.027 0.005
0.4 45 0.099 0.045 0.018
0.8 45 0.051 0.025 0.006
-0.8 75 0.007 0.033 0.013
-0.4 75 -0.014 0.013 0.002
0 75 0.039 0.018 0.004
0.4 75 0.028 0.015 0.003
0.8 75 0.082 0.028 0.007
-0.8 105 -0.023 0.035 0
-0.4 105 0.011 0.018 0.003
0 105 0.013 0.015 0.001
0.4 105 0.058 0.024 0.006
0.8 105 0.057 0.022 0.008
-0.8 135 0.096 0.062 0
-0.4 135 0.028 0.022 0.002
0 135 0.097 0.067 0.009
0.4 135 0.052 0.031 0.006
0.8 135 0.011 0.018 0.003
0 165 0.022 0.029 0.008
0.4 165 0.103 0.064 0.022
0.8 165 0.065 0.061 0.014