CLAS Physics Database

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Measurement E50M18

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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 :	3.282 — 3.296 GeV²
x_b :	0.4954 — 0.4972

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)
0.5001	9	23.724	4.566	3.202
0.5002	27	22.317	4.075	1.713
0.5017	45	15.698	3.511	0.588
0.5005	63	33.471	8.366	0.341
0.5036	99	26.519	11.86	3.569
0.5029	261	30.07	13.45	6.205
0.4971	297	11.94	3.6	0.638
0.4993	315	17.977	4.362	1.456
0.5005	333	29.998	6.256	8.263
0.5031	351	21.17	4.991	3.861
0.7901	9	8.0432	1.951	1.722
0.7904	27	14.832	3.317	1.809
0.7931	45	23.548	7.099	3.31
0.7971	63	15.565	3.481	2.632
0.797	81	26.948	8.126	4.519
0.7954	117	13.686	4.84	2.232
0.7936	243	6.2051	2.775	1.394
0.7913	261	23.265	8.793	4.311
0.7898	279	12.618	4.207	3.527
0.7913	297	11.356	2.754	2.297
0.7927	315	26.035	7.218	7.583
0.7891	333	10.625	3.36	0.904
0.7877	351	15.11	3.151	1.331
1.229	9	4.2249	1.596	0.356
1.234	27	5.2685	1.991	1.446
1.233	63	9.4164	2.84	0.273
1.234	81	12.305	4.102	1.531
1.238	99	6.167	1.95	0.874
1.233	117	12.546	3.784	5.295
1.226	135	13.339	5.043	1.491
1.23	225	6.9528	2.459	0.785
1.233	243	10.411	2.454	2.509
1.235	297	11.158	3.221	0.546
1.233	351	6.4226	2.427	0.094
1.728	63	4.8244	1.706	0.354
1.729	81	8.6239	2.033	0.84
1.736	99	5.9145	1.479	0.419
1.737	117	5.7972	1.833	0.238
1.732	243	6.1508	1.946	1.17
1.739	261	4.3504	1.776	0.237
1.728	279	6.2613	1.808	1.144
1.723	297	5.2259	1.652	0.424
1.737	315	4.4744	1.826	0.45