CLAS Physics Database

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Measurement E8M51

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Experiment: E89-038 CLAS experiment, 1999

Spokespersons: V. Burkert, R. Minehart

Experiment comment: Beam energy 1.515 GeV. Global 5.8% scaling systematic uncertainty for all data points

Measurement comment: Global 5.8% scaling systematic uncertainty

Publication:

under preparation //

Quantity measured: dσ/dΩ, mcbn/sterad
Differential cross section.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π⁺n, polarization: none

Q² :	0.45 — 0.55 GeV²
W :	1.16 — 1.18 GeV
E_beam :	1.515 GeV

Select data slice:
θ_π = deg

Fit φ dependence:

Observable quantity measured (Y axis): dσ/dΩ, mcbn/sterad
Plot measurement data

Parameter (X axis): φ_π, deg

Click here to view sliced data.

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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:

θ_π, deg	φ_π, deg	dσ/dΩ, mcbn/sterad	Data errors, mcbn/sterad	Systematic errors, mcbn/sterad
7.5	15	2.912	0.894	0.4273
7.5	45	4.33	1.367	0.4351
7.5	75	4.411	0.999	0.4516
7.5	105	3.801	1.112	0.41
7.5	135	4.76	1.313	0.5131
7.5	165	4.34	1.012	0.4312
7.5	195	2.886	0.6813	0.4536
7.5	225	5.049	1.218	0.4441
7.5	255	4.873	1.746	0.4353
7.5	285	5.067	1.457	0.4791
7.5	315	2.422	0.7762	0.4294
7.5	345	2.482	1.098	0.2288
22.5	15	1.762	0.746	0.3456
22.5	45	3.024	0.6342	0.3513
22.5	75	4.59	0.7899	0.3794
22.5	105	4.415	0.5342	0.3796
22.5	135	5.942	0.597	0.4039
22.5	165	5.213	0.4856	0.3979
22.5	195	5.35	0.4847	0.3955
22.5	225	5.659	0.5588	0.3972
22.5	255	4.225	0.5089	0.3679
22.5	285	4.319	0.6652	0.3755
22.5	315	4.167	0.9011	0.3579
22.5	345	2.654	1.383	0.3408
37.5	15	2.093	0.9465	0.4653
37.5	45	4.098	1.974	0.4728
37.5	75	5.272	0.7241	0.5054
37.5	105	6.284	0.6767	0.5244
37.5	135	6.312	0.5118	0.5291
37.5	165	6.323	0.4826	0.5097
37.5	195	6.634	0.5002	0.5447
37.5	225	5.789	0.4789	0.5088
37.5	255	6.957	0.9043	0.5593
37.5	285	3.936	0.6637	0.4992
37.5	315	3.719	1.321	0.498
52.5	75	6.328	0.5825	0.4736
52.5	105	6.361	0.6153	0.5016
52.5	135	7.55	0.6212	0.523
52.5	165	7.046	0.455	0.5027
52.5	195	6.23	0.4083	0.4848
52.5	225	7.629	0.6479	0.5117
52.5	255	7.905	0.7243	0.5191
52.5	285	6.436	0.5496	0.486
52.5	315	4.042	0.8494	0.4407
67.5	45	5.79	0.4797	0.5489
67.5	75	8.731	0.4927	0.6034
67.5	105	11.16	0.8894	0.6849
67.5	135	8.08	0.6816	0.6004
67.5	165	6.498	0.4627	0.5772
67.5	195	6.708	0.4631	0.5733
67.5	225	7.454	0.6353	0.585
67.5	255	10.47	0.6935	0.6236
67.5	285	8.763	0.4934	0.6253
67.5	315	5.938	0.4376	0.5668
82.5	45	7.597	1.339	0.6329
82.5	75	11.13	0.5596	0.7086
82.5	105	10.74	0.6032	0.7114
82.5	135	9.088	0.7013	0.6661
82.5	165	6.107	0.3669	0.6245
82.5	195	6.625	0.3866	0.625
82.5	225	7.709	0.667	0.645
82.5	255	11.38	0.6299	0.7171
82.5	285	10.09	0.4955	0.6942
82.5	315	6.719	1.135	0.6049
97.5	45	5.826	0.523	0.5417
97.5	75	9.399	0.5724	0.6146
97.5	105	10.57	0.5421	0.6403
97.5	135	8.009	0.5855	0.5884
97.5	165	5.17	0.3841	0.5382
97.5	195	5.136	0.3613	0.538
97.5	225	8.08	0.5925	0.5852
97.5	255	10.52	0.5468	0.6552
97.5	285	9.702	0.5342	0.6203
97.5	315	6.579	0.6079	0.5595
112.5	15	3.949	0.7156	0.5146
112.5	45	6.579	0.4993	0.5745
112.5	75	10.13	0.7437	0.6446
112.5	105	9.627	0.4827	0.6308
112.5	135	8.075	0.7029	0.6247
112.5	165	5.086	0.4264	0.536
112.5	195	5.801	0.4863	0.5444
112.5	225	7.531	0.5876	0.5992
112.5	255	10.75	0.5451	0.6648
112.5	285	9.812	0.7291	0.6312
112.5	315	7.095	0.527	0.5691
112.5	345	5.041	1.542	0.5394
127.5	15	3.605	0.6606	0.6375
127.5	45	6.077	0.473	0.667
127.5	75	8.888	0.7893	0.7384
127.5	105	9.028	0.6061	0.722
127.5	135	8.489	0.8987	0.7308
127.5	165	4.243	0.6303	0.6438
127.5	195	9.921	4.554	0.7527
127.5	225	8.294	1.197	0.7495
127.5	255	8.05	0.5384	0.7273
127.5	285	10.4	0.8877	0.7407
127.5	315	7.519	0.65	0.6885
127.5	345	5.896	1.106	0.6655
142.5	15	8.513	1.415	0.7594
142.5	45	7.315	0.8251	0.7066
142.5	75	8.105	1.04	0.7046
142.5	105	6.576	1.004	0.6882
142.5	255	9.603	1.564	0.8288
142.5	285	8.954	1.086	0.7482
142.5	315	7.483	1.043	0.6937
142.5	345	5.429	1.095	0.6952