CLAS Physics Database

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Measurement E50M8

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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 :	1.948 — 1.957 GeV²
x_b :	0.3106 — 0.314

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)
0.1332	27	12.259	5.01	3.816
0.1745	9	9.3523	3.118	1.104
0.175	27	6.9677	2.635	1.299
0.1759	45	13.943	3.868	1.65
0.1755	63	11.965	4.524	2.417
0.1759	297	6.6795	2.727	2.207
0.1755	315	8.2071	2.902	0.585
0.176	333	7.9915	3.021	0.707
0.1743	351	10.158	3.841	1.372
0.2488	9	5.8781	1.518	1.609
0.2488	27	7.3238	1.68	3.329
0.2496	45	14.374	2.624	0.801
0.2482	63	13.341	3.144	3.478
0.2481	81	13.011	4.919	0.887
0.2492	297	13.813	2.945	1.119
0.2476	315	7.737	1.775	1.728
0.2482	333	7.7212	1.931	0.658
0.2498	351	6.0404	1.822	1.132
0.3482	9	6.71	1.582	0.677
0.3485	27	7.9181	1.651	0.292
0.3496	45	13.383	2.17	2.159
0.3467	63	14.46	3.233	1.298
0.3493	153	12.392	4.132	1.888
0.3488	189	6.8588	2.426	0.724
0.3493	225	10.105	4.126	0.966
0.3504	243	14.583	6.524	5.726
0.3506	279	11.755	5.258	1.558
0.3513	297	8.7763	1.916	3.033
0.3474	315	9.6107	1.85	1.269
0.349	333	7.4293	1.705	0.717
0.3501	351	7.6001	1.792	1.874
0.4949	9	4.9316	1.233	0.754
0.4982	27	7.5475	1.125	0.969
0.4962	45	9.6866	1.413	0.145
0.4952	63	10.308	2.062	2.864
0.4973	135	6.8692	2.172	1.388
0.4933	153	4.3123	1.363	1.588
0.4939	171	13.652	3.131	2.889
0.4938	189	4.102	1.059	0.93
0.4986	225	8.1151	2.029	4.443
0.4952	243	6.2132	2.537	1.376
0.4966	279	9.3822	4.195	1.296
0.4964	297	7.8407	1.456	0.92
0.4953	315	6.9198	1.031	0.609
0.4941	333	6.4417	1.217	0.453
0.4964	351	6.0912	1.523	0.726
0.7804	27	2.6183	0.513	0.825
0.7828	45	3.5941	0.607	0.268
0.7893	63	5.2645	1.098	0.756
0.7874	81	3.5087	1.432	0.255
0.7831	117	3.6443	1.378	0.638
0.7758	135	5.314	1.534	0.89
0.7786	153	4.6134	1.032	1.507
0.7777	171	3.3896	0.94	0.278
0.778	189	3.4322	0.686	0.046
0.7817	207	4.5045	1.163	1.499
0.7846	225	5.2805	1.056	0.304
0.7829	243	5.5661	1.678	1.182
0.789	297	4.3785	0.876	0.222
0.7836	315	5.3	0.673	0.468
0.7879	333	4.946	0.848	0.668
1.217	27	2.0401	0.416	0.261
1.216	45	3.1907	0.625	0.28
1.219	63	4.6334	1.465	0.554
1.216	99	3.3419	0.747	0.813
1.217	117	5.7646	1.153	0.232
1.221	135	4.0488	1.531	0.814
1.223	153	4.1454	1.07	0.261
1.221	171	3.5177	1.244	0.741
1.223	189	2.0138	0.671	0.129
1.223	225	3.2142	0.859	0.418
1.219	243	6.5876	2.195	0.618
1.222	261	3.0553	1.019	0.257
1.22	297	1.759	0.665	0.456
1.22	315	1.5474	0.375	0.124
1.216	333	1.8383	0.459	0.136
1.731	27	0.7856	0.261	0.081
1.707	81	1.8433	0.532	0.409
1.72	99	1.7937	0.382	0.173
1.725	117	2.1231	0.613	0.314
1.721	261	1.2604	0.42	0.359
1.725	279	1.3664	0.455	0.19
1.718	333	1.6965	0.511	0.218