CLAS Physics Database

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Measurement E102M63

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Experiment: E-89-039, 2007

Spokespersons: S. Dytman, K. Giovanetti

Measurement comment: Electron beam energy is 4.056 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 :	2.1 — 2.9 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
-0.8	15	0.376	0.053	0.011
-0.4	15	0.339	0.053	0.005
0	15	0.309	0.054	0.015
0.4	15	0.364	0.059	0.011
0.8	15	0.371	0.064	0.02
-0.8	45	0.256	0.05	0.015
-0.4	45	0.302	0.053	0.012
0	45	0.22	0.046	0.008
0.4	45	0.222	0.045	0.008
0.8	45	0.275	0.054	0.005
-0.8	75	0.257	0.049	0.005
-0.4	75	0.263	0.047	0.006
0	75	0.377	0.06	0.019
0.4	75	0.263	0.049	0.018
0.8	75	0.291	0.054	0.014
-0.8	105	0.283	0.045	0.012
-0.4	105	0.246	0.056	0.006
0	105	0.292	0.058	0.018
0.4	105	0.243	0.058	0.007
0.8	105	0.227	0.057	0.015
-0.8	135	0.285	0.05	0.013
-0.4	135	0.254	0.056	0.007
0	135	0.246	0.059	0.008
0.4	135	0.306	0.064	0.013
0.8	135	0.211	0.046	0.006
-0.8	165	0.224	0.043	0.015
-0.4	165	0.208	0.046	0.015
0	165	0.25	0.052	0.017
0.4	165	0.237	0.052	0.016
0.8	165	0.176	0.039	0.009