CLAS Physics Database

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Measurement E102M24

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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 :	1 — 1.4 GeV²
W :	1.51 — 1.53 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	0.62	0.067	0.022
-0.7	15	0.694	0.07	0.016
-0.5	15	0.747	0.076	0.02
-0.3	15	0.693	0.074	0.015
-0.1	15	0.609	0.07	0.017
0.1	15	0.624	0.071	0.026
0.3	15	0.63	0.071	0.033
0.5	15	0.554	0.073	0.012
0.7	15	0.841	0.091	0.025
0.9	15	0.658	0.087	0.017
-0.9	45	0.702	0.076	0.03
-0.7	45	0.736	0.076	0.013
-0.5	45	0.54	0.073	0.008
-0.3	45	0.652	0.079	0.016
-0.1	45	0.715	0.081	0.019
0.1	45	0.68	0.085	0.018
0.3	45	0.692	0.086	0.024
0.5	45	0.399	0.076	0.024
0.7	45	0.561	0.082	0.016
0.9	45	0.568	0.086	0.013
-0.9	75	0.715	0.076	0.021
-0.7	75	0.652	0.085	0.038
-0.5	75	0.75	0.104	0.037
-0.3	75	0.864	0.112	0.033
-0.1	75	0.672	0.099	0.023
0.1	75	0.798	0.107	0.02
0.3	75	0.641	0.093	0.036
0.5	75	0.436	0.081	0.017
0.7	75	0.651	0.12	0.038
0.9	75	0.478	0.093	0.016
-0.9	105	0.609	0.076	0.058
-0.7	105	0.56	0.075	0.023
-0.5	105	0.833	0.11	0.042
-0.3	105	0.867	0.12	0.066
-0.1	105	0.776	0.14	0.078
0.1	105	0.695	0.118	0.009
0.3	105	0.541	0.114	0.057
0.5	105	0.499	0.106	0.044
0.7	105	0.674	0.116	0.035
0.9	105	0.615	0.089	0.013
-0.9	135	0.674	0.081	0.027
-0.7	135	0.576	0.087	0.052
-0.5	135	0.584	0.097	0.025
-0.3	135	0.707	0.119	0.022
-0.1	135	0.66	0.149	0.027
0.1	135	0.564	0.145	0.038
0.3	135	0.531	0.139	0.027
0.5	135	0.518	0.132	0.051
0.7	135	0.745	0.145	0.083
0.9	135	0.623	0.109	0.008
-0.9	165	0.536	0.064	0.023
-0.7	165	0.562	0.071	0.027
-0.5	165	0.652	0.086	0.017
-0.3	165	0.438	0.088	0.016
-0.1	165	0.594	0.093	0.006
0.1	165	0.482	0.105	0.043
0.3	165	0.35	0.114	0.02
0.5	165	0.6	0.114	0.016
0.7	165	0.382	0.098	0.026
0.9	165	0.585	0.088	0.01