CLAS Physics Database

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Measurement E102M16

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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 :	1.67 — 1.69 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	0.09	0.04	0.014
-0.7	15	0.138	0.036	0.011
-0.5	15	0.149	0.038	0.015
-0.3	15	0.134	0.032	0.011
-0.1	15	0.025	0.024	0.005
0.1	15	0.037	0.026	0.009
0.3	15	0.063	0.027	0.015
0.5	15	0.036	0.027	0.002
0.7	15	0.048	0.029	0.006
0.9	15	0.05	0.033	0.007
-0.9	45	0.064	0.034	0.006
-0.7	45	0.127	0.04	0.007
-0.5	45	0.119	0.043	0.014
-0.3	45	0.094	0.051	0.008
-0.1	45	0.105	0.051	0.014
0.1	45	0.062	0.036	0.009
0.3	45	0.086	0.046	0.011
0.5	45	0.117	0.057	0.01
0.7	45	0.072	0.059	0.015
0.9	45	0.077	0.044	0.007
-0.9	75	0.119	0.041	0.007
-0.7	75	0.217	0.09	0.012
-0.5	75	0.234	0.069	0.049
-0.3	75	0.114	0.049	0.014
-0.1	75	0.096	0.046	0.006
0.1	75	0.184	0.047	0.013
0.3	75	0.134	0.044	0.011
0.5	75	0.179	0.051	0.007
0.7	75	0.124	0.041	0.009
0.9	75	0.167	0.062	0.009
-0.9	105	0.15	0.064	0.012
-0.7	105	0.152	0.084	0.016
-0.5	105	0.283	0.074	0.021
-0.3	105	0.048	0.035	0.003
-0.1	105	0.104	0.037	0.005
0.1	105	0.07	0.036	0.012
0.3	105	0.139	0.039	0.002
0.5	105	0.163	0.042	0.02
0.7	105	0.136	0.037	0.01
0.9	105	0.063	0.041	0.004
-0.9	135	0.171	0.058	0.009
-0.5	135	0.169	0.078	0.024
-0.3	135	0.025	0.052	0.004
-0.1	135	0.24	0.067	0.019
0.1	135	0.061	0.061	0.007
0.3	135	0.33	0.129	0.017
0.5	135	0.188	0.093	0.016
0.7	135	-0.058	0.095	0.008
0.9	135	0.014	0.05	0.018
-0.9	165	0.076	0.049	0.006
0.9	165	0.075	0.154	0.045