CLAS Physics Database

Your browser does not support JavaScript or JavaScript is turned off in your browser. It is strongly recommended to turn JavaScript on in order to view this page. Some features may not work if JavaScript is turned off.

Measurement E102M25

You are not logged in.

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 :	1.53 — 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
-0.9	15	0.602	0.06	0.016
-0.7	15	0.482	0.06	0.025
-0.5	15	0.7	0.073	0.022
-0.3	15	0.673	0.076	0.015
-0.1	15	0.599	0.069	0.015
0.1	15	0.573	0.063	0.015
0.3	15	0.549	0.06	0.016
0.5	15	0.511	0.068	0.017
0.7	15	0.532	0.073	0.012
0.9	15	0.464	0.068	0.021
-0.9	45	0.738	0.075	0.018
-0.7	45	0.746	0.081	0.011
-0.5	45	0.621	0.076	0.032
-0.3	45	0.415	0.074	0.007
-0.1	45	0.66	0.086	0.023
0.1	45	0.645	0.078	0.037
0.3	45	0.644	0.082	0.017
0.5	45	0.464	0.084	0.021
0.7	45	0.646	0.092	0.017
0.9	45	0.51	0.081	0.02
-0.9	75	0.617	0.066	0.02
-0.7	75	0.647	0.078	0.021
-0.5	75	0.665	0.096	0.016
-0.3	75	0.839	0.106	0.019
-0.1	75	0.542	0.106	0.018
0.1	75	0.531	0.113	0.039
0.3	75	0.566	0.114	0.015
0.5	75	0.432	0.1	0.059
0.7	75	0.664	0.113	0.02
0.9	75	0.423	0.078	0.017
-0.9	105	0.551	0.073	0.03
-0.7	105	0.586	0.078	0.037
-0.5	105	0.735	0.11	0.027
-0.3	105	0.385	0.117	0.039
-0.1	105	0.456	0.114	0.037
0.1	105	0.399	0.112	0.028
0.3	105	0.525	0.118	0.106
0.5	105	0.39	0.128	0.06
0.7	105	0.376	0.113	0.018
0.9	105	0.55	0.097	0.034
-0.9	135	0.565	0.061	0.025
-0.7	135	0.492	0.079	0.034
-0.5	135	0.567	0.112	0.076
-0.3	135	0.499	0.118	0.093
-0.1	135	0.707	0.144	0.165
0.1	135	0.578	0.183	0.054
0.3	135	0.555	0.176	0.081
0.5	135	0.693	0.159	0.063
0.7	135	0.508	0.128	0.022
0.9	135	0.475	0.09	0.018
-0.9	165	0.569	0.067	0.013
-0.7	165	0.508	0.069	0.01
-0.5	165	0.56	0.09	0.02
-0.3	165	0.391	0.094	0.025
-0.1	165	0.58	0.118	0.041
0.1	165	0.715	0.161	0.076
0.3	165	0.482	0.121	0.077
0.5	165	0.803	0.153	0.133
0.7	165	0.862	0.149	0.07
0.9	165	0.47	0.096	0.009