CLAS Physics Database

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Measurement E50M14

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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 :	2.705 — 2.722 GeV²
x_b :	0.335 — 0.3455

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)
0.1779	9	19.237	6.803	1.415
0.1777	27	20.983	6.058	4.173
0.1771	45	32.344	7.233	2.317
0.1777	63	27.268	7.874	2.145
0.1775	81	40.99	10.95	1.184
0.1779	99	21.027	6.651	4.153
0.177	153	42.379	18.94	9.874
0.1776	243	35.667	10.3	4.449
0.1772	261	34.382	8.88	3.721
0.1781	279	36.916	10.23	1.782
0.1779	297	12.074	4.929	1.589
0.1781	315	28.541	6.73	5.617
0.1777	333	22.608	7.15	7.676
0.2489	9	27.243	4.541	1.557
0.2492	27	30.601	4.089	3.499
0.2493	45	27.792	4.189	5.727
0.2493	63	34.16	5.092	3.503
0.2484	81	27.666	4.89	0.282
0.2494	99	33.423	4.467	4.414
0.2483	117	28.614	4.415	1.964
0.2495	135	26.664	4.789	3.974
0.2492	153	25.115	4.187	1.697
0.2495	171	34.288	7	2.007
0.2498	189	18.686	4.827	3.059
0.2494	207	36.756	6.304	3.108
0.249	225	22.769	4.648	0.55
0.2494	243	33.94	4.346	2.091
0.2483	261	38.682	5.767	3.304
0.2496	279	36.086	5.637	0.991
0.2491	297	23.909	3.986	1.481
0.2484	315	25.966	3.871	3.471
0.2491	333	21.215	3.874	0.564
0.2486	351	19.523	3.985	4.767
0.35	9	30.875	4.655	3.659
0.3492	27	24.557	3.253	3.357
0.3483	45	30.42	3.585	0.689
0.3497	63	35.622	4.319	4.13
0.3489	81	29.121	4.725	1.9
0.3496	99	42.014	6.128	2.543
0.3493	117	47.863	7.058	0.59
0.3493	135	24.811	4.53	1.517
0.3484	153	25.394	4.491	1.855
0.3484	171	41.079	7.906	3.163
0.3487	189	11.736	3.911	2.31
0.3485	207	27.906	5.696	3.652
0.3496	225	23.685	4.558	2.169
0.3499	243	28.663	4.371	2.072
0.349	261	40.319	6.815	4.688
0.3495	279	28.163	4.979	1.785
0.3498	297	27.699	3.769	1.989
0.3498	315	33.12	3.681	0.819
0.3488	333	21.093	3.565	0.215
0.3489	351	33.334	5.407	2.174
0.4978	9	12.13	2.529	1.56
0.4976	27	23.15	2.389	2.94
0.4973	45	26.073	2.211	1.238
0.4977	63	32.751	2.557	3.23
0.4981	81	29.209	3.061	0.382
0.4974	99	23.748	4.266	2.518
0.4977	117	30.685	5.8	5.498
0.4966	135	30.524	4.952	3.481
0.4957	153	14.131	3.243	4.089
0.4946	171	19.916	4.83	4.269
0.4955	189	14.414	3.497	1.935
0.4945	207	21.177	4.323	2.85
0.4951	225	14.6	3.542	3.704
0.4964	243	32.32	4.715	3.414
0.4978	261	26.957	5.006	4.544
0.4993	279	25.129	3.218	0.951
0.4977	297	29.836	2.366	0.882
0.4976	315	24.517	1.994	1.52
0.4964	333	24.752	2.938	0.392
0.497	351	27.988	4.666	5.112
0.7806	9	18.561	6.19	2.442
0.7817	27	10.049	1.342	0.268
0.7835	45	14.077	1.099	0.479
0.7843	63	17.137	1.306	1.623
0.7845	81	22.58	2.305	0.86
0.7865	99	16.237	4.341	0.76
0.7863	117	19.407	4.048	2.085
0.7801	135	12.046	3.11	1.745
0.782	153	7.5399	2.272	2.123
0.7809	171	9.2028	2.3	1.214
0.7802	189	9.6587	1.68	1.214
0.78	207	11.796	2.459	2.146
0.7826	225	10.773	2.611	1.423
0.7858	243	21.186	3.868	2.378
0.7874	261	22.314	5.762	3.694
0.7861	279	19.605	2.395	0.541
0.7848	297	17.229	1.234	1.11
0.7833	315	13.839	1.002	0.846
0.7826	333	12.978	1.749	0.784
1.221	27	7.2235	0.896	1.299
1.224	45	9.2122	0.862	0.347
1.223	63	12.084	1.614	0.229
1.219	81	8.1934	2.731	0.439
1.219	99	9.9655	1.882	0.838
1.222	117	5.9142	1.478	0.468
1.222	135	6.4688	1.949	1.079
1.221	153	4.4606	1.486	1.534
1.223	171	4.2291	1.494	0.782
1.224	189	4.8706	1.089	1.707
1.223	207	2.5004	0.945	0.918
1.222	225	6.7376	1.633	3.851
1.224	243	5.8392	1.685	0.944
1.224	261	15.282	3.709	3.895
1.222	279	7.6351	3.414	0.292
1.222	297	6.1144	1.064	0.44
1.222	315	6.2676	0.66	0.394
1.224	333	6.1612	0.88	0.938
1.718	9	2.5182	0.727	0.177
1.719	27	2.8783	0.643	0.24
1.723	63	3.8743	1.732	0.237
1.724	81	4.0804	0.961	0.403
1.722	99	4.9178	0.843	1.272
1.719	117	4.4472	0.927	0.334
1.723	135	8.0107	1.942	2.61
1.725	153	6.0916	1.522	0.404
1.728	171	3.5147	1.171	0.48
1.724	189	2.305	0.695	1.042
1.723	207	3.6269	1.093	0.312
1.724	225	2.951	1.043	0.947
1.721	243	6.6487	2.004	1.258
1.72	261	3.931	1.185	1.627
1.721	279	3.8925	1.079	1.302
1.723	297	4.6615	1.76	0.8
1.724	315	3.7285	1.521	0.373
1.719	333	2.2796	0.687	0.498