CLAS Physics Database

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Measurement E50M2

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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 :	1.144 — 1.161 GeV²
x_b :	0.1314 — 0.1337

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)
0.1197	63	40.614	10.48	8.9
0.1196	81	45.423	6.071	9.409
0.1195	99	56.708	5.243	3.94
0.1195	117	57.426	5.5	7.018
0.1196	135	29.24	4.055	3.856
0.1191	153	29.884	3.597	4.627
0.1197	171	34.107	4.23	2.865
0.1197	189	39.203	5.147	6.606
0.1191	207	41.824	4.225	3.832
0.1192	225	30.635	3.859	2.102
0.1195	243	47.716	5.744	1.197
0.1197	261	44.996	4.91	3.977
0.1195	279	40.874	5.414	4.31
0.1198	297	37.708	9.739	10.77
0.175	63	46.068	10.84	16.95
0.1744	81	37.073	5.244	4.643
0.1746	99	44.676	4.763	4.897
0.1746	117	50.689	5.565	2.999
0.1745	135	42.557	4.728	1.5
0.1745	153	37.819	4.031	2.988
0.1744	171	32.384	4.407	1.629
0.1743	189	25.656	3.825	1.628
0.1747	207	35.534	3.877	0.542
0.174	225	43.664	4.883	4.253
0.1744	243	36.818	4.92	2.524
0.1749	261	45.837	4.915	0.851
0.1744	279	49.168	6.245	4.83
0.1747	297	37.954	9.801	4.665
0.2486	45	31.766	12.96	4.91
0.2482	63	35.454	5.471	1.495
0.248	81	36.736	3.44	2.587
0.2488	99	38.553	3.117	1.501
0.2479	117	36.865	3.297	0.376
0.2484	135	34.323	2.803	1.207
0.2485	153	25.328	2.238	2.323
0.2474	171	25.364	2.767	3.988
0.2483	189	22.572	2.353	1.458
0.2479	207	33.12	2.677	0.529
0.2478	225	29.437	2.732	3.09
0.2481	243	38.34	3.229	2.847
0.2486	261	39.401	3.076	1.647
0.2483	279	30.629	3.341	1.471
0.2486	297	37.045	5.585	0.377
0.2479	315	24.301	9.185	4.965
0.3486	63	21.179	3.268	2.25
0.3484	81	25.453	2.584	2.786
0.3483	99	29.137	2.606	2.197
0.3481	117	24.574	2.697	0.867
0.3483	135	24.898	2.311	0.746
0.3471	153	23.425	2.342	2.065
0.3473	171	16.469	2.284	2.445
0.3479	189	20.332	2.317	0.904
0.3484	207	18.455	2.013	1.661
0.3479	225	28.724	2.963	1.637
0.3484	243	27.867	2.587	0.805
0.3486	261	27.606	2.421	0.346
0.3494	279	24.755	2.7	0.679
0.3483	297	20.441	3.118	2.781
0.3482	315	26.63	6.277	4.715
0.4922	27	29.753	8.59	6.473
0.4921	45	15.138	2.283	1.97
0.492	63	12.037	1.371	1.099
0.4927	81	17.742	1.365	1.12
0.4922	99	16.368	1.349	0.535
0.4929	117	16.15	1.591	1.323
0.4929	135	15.989	1.418	2.021
0.4915	153	14.041	1.488	1.043
0.4921	171	12.522	1.789	0.384
0.493	189	10.927	1.376	0.202
0.4926	207	12.641	1.405	1.133
0.4926	225	16.727	1.734	1.264
0.4938	243	15.179	1.363	1.581
0.4924	261	15.876	1.283	2.119
0.4932	279	20.564	1.652	0.984
0.4912	297	12.135	1.341	1.901
0.4932	315	12.594	1.698	1.904
0.4924	333	20.685	6.896	9.865
0.7701	9	5.0149	0.931	3.185
0.7724	27	7.4617	0.786	1.627
0.7713	45	6.1103	0.67	1.108
0.7703	63	7.8952	0.684	0.801
0.7681	81	8.786	0.667	0.845
0.7677	99	11.369	0.901	0.459
0.7703	117	7.966	0.966	1.211
0.7721	135	6.8615	1.084	1.231
0.772	153	5.1365	1.244	0.554
0.772	171	3.7963	1.342	0.33
0.7723	189	6.0992	1.399	0.498
0.7723	207	7.6228	1.415	1.329
0.7691	225	5.2743	1.099	0.098
0.7675	243	8.3214	0.882	0.746
0.7673	261	7.5424	0.697	0.154
0.7697	279	9.2582	0.799	0.318
0.7702	297	7.3731	0.61	0.441
0.7693	315	7.2794	0.6	0.741
0.7703	333	8.197	0.864	1.259
0.7717	351	7.673	1.356	0.953
1.204	9	2.0919	0.305	0.471
1.208	27	3.5652	0.391	0.844
1.206	45	5.1276	0.559	0.721
1.202	63	3.9526	0.453	0.442
1.199	81	4.0945	0.537	0.405
1.2	99	4.5623	0.912	0.713
1.204	117	8.4892	2.559	0.967
1.203	261	3.0414	0.737	0.032
1.201	279	4.5773	0.66	0.327
1.203	297	4.312	0.44	0.647
1.207	315	3.9192	0.371	0.636
1.204	333	3.1956	0.384	0.591
1.208	351	2.714	0.391	0.355
1.709	9	1.9413	0.292	0.337
1.708	27	1.7032	0.28	0.069
1.708	45	1.9977	0.458	0.088
1.706	63	2.3329	0.647	0.329
1.704	81	5.3866	2.408	0.912
1.711	171	1.1645	0.411	0.271
1.713	189	0.5362	0.218	0.113
1.716	297	2.0307	0.612	0.706
1.708	315	3.0382	0.468	0.667
1.704	333	1.9127	0.343	0.123
1.711	351	1.2644	0.263	0.257