CLAS Physics Database

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Measurement E102M1

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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 :	1.49 — 1.51 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	0.88	0.049	0.086
-0.7	15	0.747	0.047	0.093
-0.5	15	0.86	0.05	0.061
-0.3	15	0.834	0.052	0.11
-0.1	15	0.797	0.049	0.068
0.1	15	0.84	0.051	0.041
0.3	15	0.788	0.049	0.048
0.5	15	0.79	0.046	0.046
0.7	15	0.783	0.046	0.068
0.9	15	0.774	0.044	0.073
-0.9	45	0.839	0.05	0.11
-0.7	45	0.804	0.053	0.093
-0.5	45	0.947	0.068	0.083
-0.3	45	0.824	0.062	0.075
-0.1	45	0.713	0.058	0.077
0.1	45	0.766	0.061	0.067
0.3	45	0.932	0.067	0.063
0.5	45	0.713	0.05	0.025
0.7	45	0.831	0.062	0.057
0.9	45	0.958	0.061	0.073
-0.9	75	0.837	0.052	0.181
-0.7	75	0.966	0.076	0.084
-0.5	75	0.628	0.062	0.066
-0.3	75	0.795	0.082	0.043
-0.1	75	0.862	0.11	0.037
0.1	75	1.143	0.141	0.182
0.3	75	0.728	0.098	0.033
0.5	75	0.851	0.101	0.065
0.7	75	0.598	0.066	0.072
0.9	75	0.616	0.049	0.006
-0.9	105	0.97	0.063	0.137
-0.7	105	0.787	0.082	0.139
-0.5	105	0.845	0.112	0.059
-0.3	105	0.959	0.154	0.071
-0.1	105	0.48	0.105	0.278
0.1	105	0.96	0.157	0.023
0.3	105	0.645	0.111	0.068
0.5	105	0.578	0.103	0.033
0.7	105	0.384	0.076	0.071
0.9	105	0.565	0.061	0.01
-0.9	135	1.294	0.084	0.154
-0.7	135	0.805	0.082	0.128
-0.5	135	0.492	0.075	0.028
-0.3	135	0.758	0.156	0.645
-0.1	135	0.573	0.134	0.04
0.1	135	0.608	0.141	0.082
0.3	135	0.475	0.091	0.037
0.5	135	0.55	0.103	0.125
0.7	135	0.938	0.114	0.135
0.9	135	0.77	0.082	0.068
-0.9	165	0.971	0.06	0.168
-0.7	165	0.684	0.057	0.065
-0.5	165	0.777	0.081	0.056
-0.3	165	1.226	0.133	0.045
-0.1	165	0.967	0.141	0.12
0.1	165	0.599	0.123	0.094
0.3	165	0.543	0.101	0.094
0.5	165	0.94	0.15	0.178
0.7	165	0.805	0.103	0.052
0.9	165	0.661	0.055	0.007