CLAS Physics Database

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Measurement E102M17

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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:

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 :	0.6 — 1 GeV²
W :	1.69 — 1.71 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	0.167	0.041	0.005
-0.7	15	0.06	0.034	0.004
-0.5	15	0.061	0.03	0.004
-0.3	15	0.035	0.026	0.004
-0.1	15	0.077	0.031	0.005
0.1	15	0.079	0.035	0.007
0.3	15	0.053	0.033	0.006
0.5	15	0.054	0.037	0.005
0.7	15	0.089	0.033	0.007
0.9	15	0.146	0.039	0.008
-0.9	45	0.1	0.045	0.008
-0.7	45	0.09	0.04	0.008
-0.5	45	0.102	0.047	0.01
-0.3	45	0.061	0.043	0.005
-0.1	45	0.124	0.054	0.008
0.1	45	0.049	0.05	0.006
0.3	45	0.123	0.055	0.009
0.5	45	0.074	0.044	0.004
0.7	45	0.126	0.051	0.007
0.9	45	0.134	0.054	0.01
-0.9	75	0.126	0.043	0.011
-0.7	75	0.184	0.088	0.02
-0.5	75	0.061	0.056	0.018
-0.3	75	0.015	0.042	0.006
-0.1	75	0.101	0.038	0.008
0.1	75	0.158	0.042	0.005
0.3	75	0.197	0.047	0.007
0.5	75	0.207	0.043	0.011
0.7	75	0.165	0.037	0.009
0.9	75	0.136	0.049	0.015
-0.9	105	0.186	0.091	0.024
-0.7	105	0.076	0.052	0.011
-0.5	105	0.06	0.049	0.007
-0.3	105	0.136	0.045	0.006
-0.1	105	0.155	0.039	0.008
0.1	105	0.214	0.048	0.016
0.3	105	0.163	0.045	0.013
0.5	105	0.19	0.048	0.021
0.7	105	0.231	0.05	0.014
0.9	105	0.099	0.044	0.004
-0.9	135	0.048	0.05	0.009
-0.5	135	0.089	0.054	0.012
-0.3	135	0.002	0.047	0.007
-0.1	135	0.252	0.089	0.032
0.1	135	0.03	0.094	0.024
0.3	135	0.201	0.113	0.018
0.5	135	0.123	0.08	0.006
0.7	135	0.106	0.083	0.041
0.9	135	0.246	0.07	0.014
-0.9	165	0.12	0.056	0.008
0.3	165	0.023	0.106	0.007
0.5	165	0.208	0.138	0.029
0.7	165	0.187	0.12	0.015