CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E102M64

You are not logged in.

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 : 2.1 — 2.9 GeV2
W : 1.53 — 1.55 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
-0.8 15 0.278 0.047 0.006
-0.4 15 0.324 0.057 0.012
0 15 0.34 0.055 0.034
0.4 15 0.312 0.058 0.008
0.8 15 0.244 0.057 0.02
-0.8 45 0.289 0.046 0.013
-0.4 45 0.272 0.048 0.013
0 45 0.366 0.059 0.027
0.4 45 0.276 0.053 0.016
0.8 45 0.362 0.053 0.01
-0.8 75 0.248 0.039 0.021
-0.4 75 0.187 0.047 0.009
0 75 0.305 0.055 0.018
0.4 75 0.314 0.068 0.016
0.8 75 0.302 0.067 0.021
-0.8 105 0.2 0.044 0.012
-0.4 105 0.306 0.059 0.037
0 105 0.187 0.058 0.012
0.4 105 0.122 0.055 0.02
0.8 105 0.222 0.053 0.022
-0.8 135 0.236 0.038 0.014
-0.4 135 0.257 0.06 0.02
0 135 0.218 0.059 0.031
0.4 135 0.099 0.053 0.013
0.8 135 0.192 0.055 0.01
-0.8 165 0.206 0.04 0.005
-0.4 165 0.167 0.04 0.003
0 165 0.278 0.055 0.014
0.4 165 0.194 0.049 0.017
0.8 165 0.213 0.043 0.02