CLAS Physics Database

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Measurement E50M13

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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 :	2.583 — 2.593 GeV²
x_b :	0.2887 — 0.2901

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)
0.2491	45	3.5664	1.596	1.244
0.2489	63	2.1834	0.977	0.319
0.2477	81	1.4964	0.669	1.102
0.2487	171	3.8517	1.573	0.075
0.2507	261	4.1556	1.253	0.663
0.2481	279	2.9472	1.204	0.657
0.2484	297	6.604	1.832	2.446
0.3501	63	5.4406	1.405	0.827
0.3499	81	4.2102	1.168	0.841
0.3511	99	2.2048	0.78	0.177
0.3479	261	3.8348	1.213	0.367
0.3493	297	2.1172	0.864	0.064
0.4942	45	2.4428	0.815	1.479
0.4979	63	1.9773	0.528	0.158
0.4973	81	2.157	0.539	0.341
0.4974	99	2.9686	0.681	0.163
0.4999	261	2.4981	0.721	0.342
0.4963	279	3.2124	0.779	0.037
0.4961	297	2.2837	0.571	0.141
0.4945	315	1.388	0.566	0.107
0.7791	45	0.6862	0.242	0.206
0.7772	63	2.1031	0.397	0.387
0.7809	81	2.0562	0.395	0.459
0.7725	99	2.4096	0.584	0.118
0.7765	261	1.7494	0.553	0.268
0.7787	279	1.8962	0.414	0.056
0.7823	297	1.1304	0.252	0.175
0.782	315	1.5119	0.315	0.258
1.216	9	1.6658	0.745	0.249
1.224	27	0.89	0.246	0.074
1.205	45	0.5609	0.187	0.123
1.218	63	0.605	0.213	0.229
1.219	81	1.9064	0.72	0.302
1.219	297	0.5494	0.194	0.335
1.217	315	0.7237	0.18	0.123
1.211	333	0.645	0.243	0.182