CLAS Physics Database

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Measurement E102M6

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Experiment: E-89-039, 2007

Spokespersons: S. Dytman, K. Giovanetti

Measurement comment: Electron beam energy is 1.515 GeV. Measurements are average of Phi* and 360-Phi*.

Publication:

H. Denizli, J. Mueller, S. Dytman, M.L. Leber, R.D. Levine, J. Miles, K.Y. Kim, and CLAS Collaboration Q² dependence of the S11(1535) Photocoupling and Evidence for a P-wave resonance in η electroproduction //

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 :	0.2 — 0.4 GeV²
W :	1.59 — 1.61 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	0.688	0.05	0.031
-0.7	15	0.657	0.047	0.037
-0.5	15	0.646	0.048	0.032
-0.3	15	0.621	0.046	0.033
-0.1	15	0.582	0.044	0.026
0.1	15	0.853	0.058	0.017
0.3	15	0.632	0.048	0.046
0.5	15	0.285	0.038	0.01
0.7	15	0.312	0.037	0.016
0.9	15	0.155	0.036	0.014
-0.9	45	0.609	0.059	0.007
-0.7	45	0.55	0.061	0.036
-0.5	45	0.633	0.078	0.112
-0.3	45	0.654	0.082	0.062
-0.1	45	0.672	0.072	0.083
0.1	45	0.63	0.074	0.027
0.3	45	0.464	0.052	0.068
0.5	45	0.441	0.057	0.018
0.7	45	0.278	0.056	0.009
0.9	45	0.317	0.057	0.052
-0.9	75	0.604	0.111	0.112
-0.7	75	1.112	0.163	0.072
-0.5	75	0.921	0.081	0.032
-0.3	75	0.873	0.07	0.024
-0.1	75	0.671	0.05	0.034
0.1	75	0.787	0.059	0.028
0.3	75	0.543	0.043	0.045
0.5	75	0.491	0.044	0.016
0.7	75	0.413	0.041	0.018
0.9	75	0.453	0.063	0.018
-0.9	105	0.403	0.095	0.07
-0.7	105	0.731	0.076	0.139
-0.5	105	0.701	0.051	0.015
-0.3	105	0.852	0.059	0.065
-0.1	105	0.698	0.059	0.026
0.1	105	0.544	0.053	0.055
0.3	105	0.412	0.045	0.023
0.5	105	0.508	0.062	0.025
0.7	105	0.411	0.061	0.043
0.9	105	0.418	0.056	0.035
-0.9	135	0.574	0.221	0.101
-0.7	135	0.609	0.1	0.081
-0.5	135	0.508	0.087	0.044
-0.3	135	0.191	0.076	0.018
-0.1	135	0.402	0.092	0.024
0.1	135	0.644	0.099	0.071
0.3	135	0.552	0.074	0.057
0.5	135	0.471	0.067	0.016
0.7	135	0.293	0.058	0.009
0.9	135	0.057	0.096	0.032
-0.9	165	0.47	0.194	0.124
-0.1	165	0.663	0.203	0.458
0.1	165	0.929	0.177	0.079
0.3	165	0.598	0.116	0.08
0.5	165	0.323	0.072	0.035
0.7	165	0.278	0.096	0.019