CLAS Physics Database

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Measurement E8M41

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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 :	0.35 — 0.45 GeV²
W :	1.42 — 1.44 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	8.565	0.809	0.8936
7.5	45	9.203	0.9942	0.9359
7.5	75	10.01	1.195	0.9143
7.5	105	7.837	0.8855	0.869
7.5	135	6.673	0.6749	0.874
7.5	165	8.433	0.8812	0.9317
7.5	195	7.589	0.7596	0.8648
7.5	225	6.185	0.6928	0.8404
7.5	255	8.303	1.035	0.8981
7.5	285	8.026	0.9997	0.8915
7.5	315	8.591	0.9406	0.944
7.5	345	9.361	0.886	0.9032
22.5	45	8.92	1.322	0.7489
22.5	75	8.242	1.107	0.7518
22.5	105	6.252	0.6558	0.6998
22.5	135	7.191	0.6436	0.7073
22.5	165	4.951	0.4502	0.6732
22.5	195	5.103	0.473	0.6882
22.5	225	6.227	0.5627	0.6946
22.5	255	8.695	0.9551	0.7376
22.5	285	8.845	1.116	0.7489
22.5	315	11.84	3.144	0.822
37.5	45	7.674	0.5064	0.5653
37.5	75	8.312	0.4625	0.6056
37.5	105	6.008	1.075	0.5385
37.5	255	7.113	1.597	0.553
37.5	285	7.753	0.4285	0.5796
37.5	315	7.25	0.4779	0.5751
52.5	45	5.473	0.5361	0.5009
52.5	75	7.457	0.451	0.5285
52.5	135	4.575	0.4055	0.4743
52.5	165	2.847	0.166	0.4542
52.5	195	2.879	0.1705	0.4514
52.5	225	4.405	0.4062	0.4747
52.5	285	6.965	0.4497	0.5348
52.5	315	6.256	0.8786	0.5018
67.5	15	3.194	1.108	0.3185
67.5	45	4.8	0.4038	0.3463
67.5	105	6.325	0.3007	0.3941
67.5	135	3.999	0.2689	0.3343
67.5	165	2.732	0.1702	0.3012
67.5	195	2.407	0.1473	0.3004
67.5	225	4.485	0.3046	0.3346
67.5	255	5.922	0.2499	0.3911
67.5	285	5.117	0.8283	0.3639
67.5	315	4.6	0.4466	0.3479
67.5	345	2.434	0.3858	0.296
82.5	15	1.184	0.269	0.2034
82.5	45	2.144	0.2843	0.2278
82.5	75	4.056	0.2879	0.2742
82.5	105	4.207	0.2154	0.2769
82.5	135	3.499	0.2479	0.2538
82.5	165	2.233	0.1495	0.2237
82.5	195	1.784	0.1295	0.2156
82.5	225	3.481	0.2344	0.2605
82.5	255	4.209	0.1947	0.2791
82.5	285	4.213	0.2839	0.2867
82.5	315	2.479	0.3712	0.234
82.5	345	0.9513	0.2126	0.1983
97.5	45	1.842	0.1276	0.1866
97.5	75	3.199	0.2656	0.2182
97.5	105	3.04	0.1787	0.2305
97.5	135	2.329	0.1839	0.2111
97.5	165	1.786	0.1621	0.1928
97.5	195	1.59	0.1449	0.1897
97.5	225	2.664	0.2182	0.2199
97.5	255	3.08	0.1766	0.231
97.5	285	2.926	0.2335	0.2188
97.5	315	1.748	0.1316	0.1864
112.5	15	0.5862	0.1003	0.1086
112.5	45	1.25	0.1238	0.1207
112.5	75	1.736	0.1821	0.1428
112.5	105	1.866	0.1407	0.1523
112.5	135	1.762	0.1637	0.1515
112.5	165	1.166	0.1202	0.1239
112.5	195	1.364	0.1586	0.1448
112.5	225	1.49	0.1318	0.1359
112.5	255	2.064	0.1574	0.1563
112.5	285	1.876	0.1833	0.1412
112.5	315	1.12	0.1122	0.1218
112.5	345	0.6064	0.09367	0.1097
127.5	15	0.4666	0.1044	0.05407
127.5	45	0.814	0.1034	0.09103
127.5	75	0.9186	0.1052	0.09194
127.5	105	1.193	0.1279	0.1052
127.5	135	1.268	0.2203	0.1139
127.5	165	0.8286	0.1814	0.08817
127.5	195	0.9155	0.2085	0.09269
127.5	225	1.11	0.1208	0.1158
127.5	255	1.305	0.1305	0.1204
127.5	285	1.056	0.1379	0.1046
127.5	315	0.7449	0.1046	0.09035
127.5	345	0.5022	0.1028	0.05412
142.5	15	0.2646	0.06332	0.03216
142.5	45	0.3136	0.07128	0.03247
142.5	75	0.6649	0.08625	0.09037
142.5	105	0.7612	0.1771	0.07691
142.5	255	0.8351	0.1815	0.1025
142.5	285	0.6885	0.1011	0.08773
142.5	315	0.5004	0.09549	0.06998
142.5	345	0.2985	0.06788	0.03237
157.5	15	0.4532	0.2132	0.0336
157.5	345	0.3636	0.2382	0.03044