CLAS Physics Database

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Measurement E50M22

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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 :	4.221 — 4.232 GeV²
x_b :	0.5374 — 0.5398

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)
0.7857	9	4.9823	0.751	0.284
0.7868	27	3.8044	0.566	0.038
0.7923	45	5.8131	0.757	0.992
0.7921	63	6.4045	0.879	0.528
0.7929	81	7.1975	1.234	0.576
0.7955	99	6.3826	1.705	0.536
0.7893	117	15.002	6.124	0.152
0.793	261	5.3846	1.493	0.222
0.794	279	6.8854	1.004	1.458
0.7931	297	5.5841	0.692	0.179
0.7914	315	5.8023	0.761	0.366
0.7884	333	4.8546	0.715	0.503
0.7894	351	5.7899	0.827	0.239
1.233	9	4.1294	0.947	0.846
1.231	27	3.1942	0.539	0.596
1.232	45	3.3718	0.496	0.381
1.235	63	4.9109	0.639	0.47
1.232	81	4.5885	1.026	0.101
1.233	243	8.7965	3.934	1.257
1.233	279	6.3423	1.029	0.197
1.236	297	3.5528	0.47	0.258
1.232	315	3.5648	0.519	0.525
1.228	333	2.8156	0.574	0.065
1.234	351	2.1657	0.765	0.242
1.734	27	1.6666	0.416	0.081
1.737	45	1.9166	0.383	0.207
1.735	63	3.4831	0.588	0.152
1.733	279	2.1027	0.94	0.122
1.733	297	3.0636	0.517	0.137
1.734	315	2.6794	0.459	0.077
1.727	333	2.8212	0.615	0.327