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 to view this page. Some features may not work if JavaScript is turned off.

Measurement E37M1

You are not logged in.

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 :	1.11 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 view sliced data.

Your browser must support Java to use this feature.
You can find appropriate software at www.java.com

Click here to view 3D plot of the data.

Your must have VRML plugin for your browser installed to see this type of 3D plots.
For some types of browsers you can find it here: www.parallelgraphics.com

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
-0.9	15	0.009	0.0122	0.0894
-0.9	45	0.0608	0.0704	0.1242
-0.9	75	0	0	0.0761
-0.9	105	0.0403	0.0506	0.1336
-0.9	135	0	0	0.0998
-0.9	165	0.0718	0.0599	0.0729
-0.9	195	0.011	0.0118	0.0729
-0.9	225	0.0543	0.0454	0.0972
-0.9	255	0	0	0.1338
-0.9	285	0.0681	0.0767	0.0663
-0.9	315	0	0	0.1242
-0.9	345	0	0	0.0893
-0.7	15	0	0	0.018
-0.7	45	0	0	0.0202
-0.7	75	0.0198	0.0246	0.0418
-0.7	105	0.0853	0.0537	0.0502
-0.7	135	0.1583	0.0904	0.0264
-0.7	165	0.1027	0.0735	0.0221
-0.7	195	0.2105	0.1292	0.0189
-0.7	225	0.1745	0.1446	0.0253
-0.7	255	0.0247	0.021	0.0492
-0.7	285	0.0297	0.0426	0.0418
-0.7	315	0.0785	0.093	0.0202
-0.7	345	0	0	0.018
-0.5	15	0.0188	0.0219	0.0149
-0.5	45	0.0405	0.0378	0.0182
-0.5	75	0.0725	0.0678	0.0349
-0.5	105	0.0654	0.0452	0.0225
-0.5	135	0.173	0.0915	0.0148
-0.5	165	0.125	0.0676	0.0102
-0.5	195	0.1037	0.0631	0.0155
-0.5	225	0.0551	0.0371	0.0118
-0.5	255	0.2282	0.2001	0.0221
-0.5	285	0.0259	0.0222	0.034
-0.5	315	0.0612	0.0514	0.0181
-0.5	345	0.0272	0.0337	0.0149
-0.3	15	0.0224	0.0262	0.0202
-0.3	45	0.0228	0.0266	0.0216
-0.3	75	0.0177	0.0141	0.0238
-0.3	105	0.0922	0.0539	0.0149
-0.3	135	0.0928	0.0575	0.0072
-0.3	165	0.1119	0.0763	0.0083
-0.3	195	0.1521	0.0657	0.0089
-0.3	225	0.2896	0.1403	0.0071
-0.3	255	0.0171	0.0184	0.0118
-0.3	285	0.0298	0.0248	0.0232
-0.3	315	0.0222	0.0191	0.0216
-0.3	345	0.2006	0.2484	0.0202
-0.1	15	0.0364	0.0449	0.0234
-0.1	45	0	0	0.0205
-0.1	75	0.0227	0.018	0.0157
-0.1	105	0.0988	0.0471	0.014
-0.1	135	0.2165	0.0947	0.0171
-0.1	165	0.1657	0.0675	0.006
-0.1	195	0.1928	0.0813	0.0089
-0.1	225	0.2772	0.1269	0.0077
-0.1	255	0.1509	0.083	0.0087
-0.1	285	0.1092	0.0708	0.0157
-0.1	315	0.2824	0.3298	0.0205
-0.1	345	0.1472	0.1819	0.0234
0.1	15	0	0	0.022
0.1	45	0.0795	0.0547	0.0161
0.1	75	0.0754	0.0527	0.0107
0.1	105	0.1741	0.0861	0.0136
0.1	135	0.1944	0.0829	0.0086
0.1	165	0.3351	0.1305	0.0117
0.1	195	0.251	0.1066	0.0094
0.1	225	0.0816	0.0353	0.0067
0.1	255	0.1888	0.1039	0.007
0.1	285	0.076	0.0565	0.0107
0.1	315	0	0	0.0161
0.1	345	0	0	0.022
0.3	15	0.0655	0.0555	0.0177
0.3	45	0.1307	0.081	0.011
0.3	75	0.0739	0.0518	0.0092
0.3	105	0.0642	0.0365	0.0071
0.3	135	0.1205	0.0501	0.0056
0.3	165	0.1963	0.0716	0.0164
0.3	195	0.3097	0.0938	0.0147
0.3	225	0.1728	0.0704	0.0112
0.3	255	0.2154	0.0924	0.0204
0.3	285	0.1807	0.1068	0.01
0.3	315	0.0389	0.0269	0.011
0.3	345	0.4679	0.5441	0.0177
0.5	15	0.1853	0.1266	0.0128
0.5	45	0.0228	0.0248	0.0072
0.5	75	0.1365	0.078	0.0056
0.5	105	0.2267	0.084	0.0067
0.5	135	0.0906	0.0417	0.0077
0.5	165	0.1325	0.0514	0.0091
0.5	195	0.188	0.0629	0.0057
0.5	225	0.1336	0.0606	0.007
0.5	255	0.2509	0.0897	0.0169
0.5	285	0.1107	0.052	0.0061
0.5	315	0.091	0.0568	0.0072
0.5	345	0.0291	0.032	0.0128
0.7	15	0.1676	0.2377	0.0084
0.7	45	0.1493	0.0849	0.0053
0.7	75	0.0664	0.0434	0.0053
0.7	105	0.0825	0.0357	0.006
0.7	135	0.1321	0.0545	0.0065
0.7	165	0.205	0.0628	0.0202
0.7	195	0.1876	0.0636	0.009
0.7	225	0.1241	0.0448	0.012
0.7	255	0.0794	0.0344	0.0054
0.7	285	0.1761	0.0796	0.005
0.7	315	0.1086	0.0605	0.0053
0.7	345	0.2706	0.2485	0.0084
0.9	15	0.0928	0.1075	0.0171
0.9	45	0.365	0.2237	0.0515
0.9	75	0.2117	0.0925	0.0228
0.9	105	0.1284	0.048	0.0137
0.9	135	0.2471	0.0802	0.0116
0.9	165	0.1925	0.062	0.0245
0.9	195	0.1892	0.0631	0.0131
0.9	225	0.1953	0.0699	0.0192
0.9	255	0.2255	0.0803	0.0068
0.9	285	0.1229	0.0561	0.0272
0.9	315	0.1636	0.0657	0.0371
0.9	345	0	0	0.0062