CLAS Physics Database

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Measurement E50M7

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Experiment: e1-dvcs run CLAS data, 2012

Spokespersons: V. Burket, L. Elouadrhiri, M. Garson, S. Stepanyan

Publication:

I. Bedlinskiy, V. Kubarovsky, S. Niccolai, P. Stoler, and CLAS Collaboration Measurement of Exclusive π⁰ Electroproduction Structure Functions and their Relationship to Transverse Generalized Parton Distributions // PRL 109, 112001 (2012)

Quantity measured: d⁴σ/dQ² dx_b dt dφ, nb/(rad*GeV^4)
Four folded differential cross section.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: none
Final state: π⁰p, polarization: none

Q² :	1.865 — 1.876 GeV²
x_b :	0.269 — 0.2727

Select data slice:
-t = GeV^2

Observable quantity measured (Y axis): d⁴σ/dQ² dx_b dt dφ, nb/(rad*GeV^4)
Plot measurement data

Parameter (X axis): φ, degrees

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Measured data:

-t, GeV^2	φ, degrees	d⁴σ/dQ² dx_b dt dφ, nb/(rad*GeV^4)	Data errors, nb/(rad*GeV^4)	Systematic errors, nb/(rad*GeV^4)
0.1212	9	7.6207	1.415	2.617
0.1209	27	6.7705	1.113	0.822
0.121	45	10.792	1.405	0.793
0.1212	63	10.77	1.682	0.582
0.1208	81	12.523	2.031	1.973
0.1209	99	10.595	2.119	0.515
0.1211	243	12.667	4.477	3.862
0.1212	261	12.556	2.677	1.93
0.1211	279	11.321	2.179	2.131
0.1212	297	9.8633	1.454	2.274
0.1209	315	10.388	1.309	0.809
0.1216	333	7.6481	1.194	1.642
0.1214	351	7.5352	1.507	4.076
0.1744	9	12.383	1.769	4.212
0.1744	27	11.049	1.476	0.628
0.1751	45	12.057	1.583	1.018
0.1753	63	10.171	1.744	0.473
0.1745	81	13.274	1.979	0.366
0.1754	99	10.784	1.749	1.223
0.1753	117	11.635	3.508	2.934
0.1752	243	11.337	3.145	2.441
0.1748	261	12.599	2.161	2.347
0.1751	279	12.09	2.073	1.301
0.1757	297	12.134	1.651	2.827
0.1744	315	12.429	1.554	0.592
0.1748	333	13.876	1.762	1.467
0.175	351	12.96	1.954	2.698
0.2487	9	8.8621	0.997	0.949
0.2475	27	10.987	0.935	0.634
0.2483	45	11.908	1.048	1.393
0.2489	63	16.55	1.451	0.441
0.249	81	15.017	1.37	0.472
0.2483	99	13.03	1.535	0.247
0.2493	117	13.151	3.189	0.501
0.2485	153	9.8619	3.487	1.306
0.2499	189	6.7697	2.14	1.662
0.2494	207	11.976	4.232	4.601
0.2492	225	16.649	5.886	9.367
0.2482	243	12.399	2.643	0.319
0.2495	261	12.55	1.775	1.48
0.2487	279	15.075	1.571	0.562
0.2493	297	15.788	1.218	1.691
0.249	315	9.9296	0.861	0.994
0.2489	333	10.282	1.013	1.134
0.249	351	6.649	0.959	1.614
0.3492	9	7.4352	1.206	0.828
0.349	27	7.8164	0.868	0.849
0.3502	45	10.915	1.022	0.457
0.3494	63	15.154	1.267	2.172
0.3493	81	12.733	1.225	0.683
0.3486	99	15.314	2.166	1.38
0.3487	117	8.5269	3.48	2.005
0.3486	153	7.7516	2.451	0.155
0.3478	171	4.6756	1.653	0.731
0.3492	189	4.4956	1.16	0.727
0.3489	207	10.103	2.608	1.413
0.3486	243	5.7185	2.557	2.224
0.3494	261	17.771	2.649	0.746
0.3489	279	17.01	1.701	1.122
0.3485	297	12.821	1.046	0.899
0.3491	315	13.394	1.001	0.838
0.3495	333	7.1061	0.881	0.282
0.349	351	6.1986	1.193	0.8
0.4956	9	4.2069	1.268	0.555
0.4966	27	6.9901	0.669	0.618
0.4979	45	8.8766	0.672	0.605
0.4971	63	8.7043	0.665	0.512
0.4983	81	8.5893	0.762	0.475
0.4975	99	9.4465	1.596	0.27
0.4972	135	5.8377	2.063	1.565
0.4951	153	4.632	0.945	1.984
0.4927	171	2.4531	0.594	0.258
0.4926	189	4.782	0.617	0.75
0.4951	207	4.7356	0.789	0.564
0.4966	225	6.333	1.909	1.125
0.5001	261	9.2859	1.979	0.531
0.4975	279	10.098	0.995	0.649
0.4971	297	10.079	0.622	0.231
0.4963	315	7.511	0.525	0.332
0.4972	333	5.4467	0.665	0.842
0.4956	351	4.886	1.629	0.981
0.7774	27	3.7013	0.361	0.178
0.7785	45	4.5065	0.337	0.152
0.7826	63	5.3233	0.394	0.241
0.7807	81	4.1958	0.516	0.548
0.7829	99	5.5829	1.281	1.056
0.7811	117	6.481	2.161	1.389
0.7801	135	4.0847	0.852	0.446
0.7777	153	4.4767	0.578	0.633
0.7789	171	3.4556	0.422	0.587
0.7776	189	2.5777	0.26	0.311
0.7787	207	3.2332	0.378	0.6
0.7772	225	4.613	0.712	0.607
0.7794	243	6.6456	1.918	0.801
0.7813	261	7.0298	2.344	0.821
0.7839	279	3.88	0.585	0.238
0.782	297	4.9538	0.33	0.123
0.7811	315	4.3159	0.281	0.262
0.7797	333	3.5591	0.428	0.477
1.22	9	0.9005	0.26	0.216
1.215	27	1.8247	0.197	0.218
1.218	45	2.2077	0.228	0.223
1.215	63	2.4689	0.345	0.139
1.217	81	2.5685	0.741	0.279
1.213	99	3.3373	0.58	0.358
1.214	117	2.2953	0.426	0.168
1.216	135	2.0391	0.467	0.221
1.216	153	2.3378	0.413	0.436
1.219	171	1.564	0.264	0.238
1.221	189	2.0342	0.23	0.169
1.217	207	1.7199	0.294	0.233
1.218	225	2.2716	0.395	0.435
1.215	243	1.9485	0.52	0.456
1.217	261	4.0612	1.224	1.099
1.217	279	1.9935	0.664	0.467
1.215	297	1.9614	0.271	0.234
1.215	315	2.3152	0.209	0.219
1.218	333	1.3028	0.178	0.082
1.218	351	1.6383	0.423	0.148
1.723	9	0.4255	0.088	0.055
1.717	27	0.4999	0.094	0.023
1.72	45	0.7379	0.204	0.064
1.717	81	0.9853	0.284	0.108
1.718	99	1.6117	0.187	0.236
1.716	117	1.3343	0.243	0.184
1.718	135	0.9572	0.361	0.222
1.721	153	1.4382	0.338	0.056
1.722	171	1.1933	0.318	0.094
1.726	189	0.764	0.204	0.107
1.724	207	1.0565	0.352	0.192
1.718	225	1.5986	0.357	0.32
1.716	243	1.2047	0.321	0.265
1.712	261	1.5473	0.282	0.122
1.715	279	1.6609	0.381	0.488
1.721	315	0.995	0.217	0.061
1.717	333	0.8218	0.143	0.204
1.721	351	0.5105	0.104	0.059