CLAS Physics Database

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Measurement E37M45

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Experiment: E99-107, 2006

Spokespersons: P. Stoler, V.D.Burkert, R. Minehart, M. Taiuti

Publication:

M. Ungaro, P. Stoler, and CLAS Collabboration Measurement of the N → Δ⁺(1232) Transition at High Momentum Transfer by π⁰ Electroproduction // PRL 97, 112003 (2006)

Quantity measured: dσ/dΩ, ub/ster
Differential cross section.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π⁰p, polarization: none

Q² :	3 GeV²
W :	1.39 GeV
E_beam :	5.75 GeV

Select data slice:
cos(θ_π) = dimensionless

Fit φ dependence:

Observable quantity measured (Y axis): dσ/dΩ, ub/ster
Plot measurement data

Parameter (X axis): φ_π, degrees

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_π), dimensionless	φ_π, degrees	dσ/dΩ, ub/ster	Data errors, ub/ster	Systematic errors, ub/ster
0.1	285	0.3899	0.0569	0.0132
0.1	315	0.1804	0.0277	0.0138
0.1	345	0.1469	0.0324	0.0292
0.3	15	0.1093	0.0265	0.0217
0.3	45	0.166	0.0267	0.0133
0.3	75	0.3166	0.0537	0.0153
0.3	105	0.2196	0.0556	0.0172
0.3	135	0.4255	0.0988	0.0216
0.3	165	0.3313	0.0541	0.0186
0.3	195	0.2773	0.0448	0.0154
0.3	225	0.3	0.0649	0.0206
0.3	255	0.2424	0.0559	0.0168
0.3	285	0.2529	0.0425	0.0139
0.3	315	0.1783	0.0297	0.0137
0.3	345	0.1107	0.0312	0.0213
0.5	15	0.0516	0.0197	0.0185
0.5	45	0.1642	0.0284	0.0175
0.5	75	0.2041	0.0465	0.018
0.5	105	0.1807	0.0487	0.0151
0.5	135	0.4239	0.0954	0.0239
0.5	165	0.3247	0.0557	0.0181
0.5	195	0.2539	0.0406	0.0218
0.5	225	0.2377	0.0553	0.0145
0.5	255	0.1763	0.0432	0.0149
0.5	285	0.2025	0.0374	0.0147
0.5	315	0.1854	0.0309	0.0161
0.5	345	0.1066	0.0316	0.0184
0.7	15	0.1459	0.0431	0.0213
0.7	45	0.1452	0.0296	0.0217
0.7	75	0.1076	0.027	0.0191
0.7	105	0.1309	0.035	0.017
0.7	135	0.3945	0.093	0.0176
0.7	165	0.2359	0.0411	0.0178
0.7	195	0.2301	0.0418	0.0175
0.7	225	0.2535	0.0569	0.0179
0.7	255	0.1628	0.0377	0.0257
0.7	285	0.1383	0.0269	0.0194
0.7	315	0.0938	0.0192	0.0215
0.7	345	0.0816	0.0273	0.0223
0.9	15	0.1782	0.0563	0.0569
0.9	45	0.1127	0.0279	0.0441
0.9	75	0.1613	0.0377	0.0274
0.9	105	0.145	0.0363	0.0198
0.9	135	0.3309	0.084	0.0436
0.9	165	0.2546	0.057	0.0498
0.9	195	0.1737	0.0378	0.0316
0.9	225	0.2253	0.0531	0.029
0.9	255	0.2081	0.0463	0.0295
0.9	285	0.2179	0.0534	0.0279
0.9	315	0.1527	0.038	0.0455
0.9	345	0.1315	0.0467	0.0578