CLAS Physics Database

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Measurement E8M53

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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 :	1.2 — 1.22 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	105	11.75	2.386	1.003
7.5	135	8.734	1.499	0.9472
7.5	165	7.782	1.04	0.9547
7.5	195	8.652	1.219	0.94
7.5	225	7.257	0.9795	0.9104
7.5	255	6.756	1.126	0.9223
7.5	285	6.138	2.236	0.897
22.5	15	8.175	1.307	0.7838
22.5	75	7.234	1.748	0.7643
22.5	105	10.1	0.9552	0.795
22.5	135	11.94	0.9033	0.8435
22.5	165	8.907	0.6561	0.787
22.5	195	11.3	0.7449	0.8005
22.5	225	8.859	0.6823	0.7627
22.5	255	11.19	1.011	0.8198
22.5	285	7.71	2.604	0.7708
22.5	345	7.416	1.17	0.7516
37.5	15	6.608	1.166	0.9694
37.5	75	6.77	1.058	0.9859
37.5	105	10	0.8216	1.011
37.5	135	12.3	0.7133	1.05
37.5	165	9.29	0.5162	0.9869
37.5	195	10.02	0.5499	1.014
37.5	225	10.58	0.6351	1.023
37.5	255	10.58	0.8642	1.012
37.5	285	10.66	2.058	1.015
37.5	315	6.356	3.693	0.9855
37.5	345	6.175	2.385	0.9576
52.5	45	11.83	2.487	0.8394
52.5	75	11.88	0.7473	0.895
52.5	105	14.75	0.9013	0.9548
52.5	135	12.21	0.7739	0.8965
52.5	165	10.1	0.4966	0.8528
52.5	195	10.18	0.4944	0.8562
52.5	225	13.16	0.7757	0.9179
52.5	255	13.17	0.848	0.9154
52.5	285	11.54	0.6912	0.861
52.5	315	9.228	1.848	0.8218
67.5	45	13.52	2.393	0.9681
67.5	75	14.96	0.6053	1.03
67.5	105	15.14	0.7602	1.015
67.5	135	13.26	0.7851	1.034
67.5	165	10.87	0.5358	0.971
67.5	195	10.46	0.5433	0.9638
67.5	225	12.96	0.7661	1
67.5	255	15.12	0.7152	1.046
67.5	285	15.39	0.5917	1.063
67.5	315	12.01	1.483	0.9609
82.5	45	10.49	0.8647	0.9365
82.5	75	14.51	0.5697	1.004
82.5	105	16.89	0.7034	1.043
82.5	135	16.39	0.9376	1.03
82.5	165	10.3	0.5079	0.9208
82.5	195	9.393	0.4848	0.8926
82.5	225	13.06	0.8235	0.9851
82.5	255	16.45	0.649	1.068
82.5	285	16.18	0.6069	1.024
82.5	315	13.23	4.42	0.9498
97.5	15	6.452	0.7044	0.804
97.5	45	11.2	0.6702	0.8697
97.5	75	16.76	0.7725	0.9747
97.5	105	18.01	0.7133	1.021
97.5	135	13.55	0.6899	0.9345
97.5	165	8.918	0.4676	0.8516
97.5	195	8.763	0.4501	0.835
97.5	225	14.03	0.7352	0.9536
97.5	255	17.17	0.6797	1.017
97.5	285	16.33	0.7098	0.9912
97.5	315	11.53	0.6769	0.8938
97.5	345	6.015	0.5706	0.7924
112.5	15	5.332	0.6116	0.7504
112.5	45	11.47	0.5752	0.8484
112.5	75	14.48	0.854	0.9303
112.5	105	15.52	0.6247	0.9675
112.5	135	11.26	0.6605	0.8429
112.5	165	6.958	0.4617	0.7711
112.5	195	7.984	0.57	0.7966
112.5	225	10.8	0.6724	0.8329
112.5	255	14.86	0.5769	0.9489
112.5	285	16.57	0.991	0.9942
112.5	315	11.27	0.5714	0.8382
112.5	345	8.323	1.19	0.8018
127.5	15	8.019	0.6741	0.7169
127.5	45	10.5	0.5926	0.7552
127.5	75	13.2	0.7957	0.833
127.5	105	12.28	0.6588	0.813
127.5	135	9.922	0.7457	0.7754
127.5	165	7.089	0.7838	0.6999
127.5	195	5.778	0.6455	0.6725
127.5	225	9.274	0.6914	0.7456
127.5	255	11.44	0.6096	0.7854
127.5	285	11.88	0.7377	0.8012
127.5	315	10.4	0.6216	0.7409
127.5	345	6.821	0.6884	0.6835
142.5	15	6.878	0.6945	0.7995
142.5	45	8.271	0.6321	0.8247
142.5	75	10.56	0.7696	0.9061
142.5	105	10.25	1.13	0.8743
142.5	255	11.96	1.453	0.9581
142.5	285	10.5	0.8322	0.8825
142.5	315	9.513	0.7846	0.8577
142.5	345	6.518	0.7252	0.8003
157.5	15	9.078	1.801	1.233
157.5	45	10.34	1.714	1.222
157.5	315	14.19	3.399	1.302
157.5	345	13.7	2.644	1.285