CLAS Physics Database

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Measurement E50M16

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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 :	3.114 — 3.13 GeV²
x_b :	0.3614 — 0.364

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)
0.2483	45	30.368	11.47	2.603
0.2481	63	27.555	9.746	2.487
0.2488	81	19.305	6.437	0.965
0.2494	99	15.664	4.955	0.281
0.2523	117	17.992	6.365	3.328
0.2489	153	27.575	11.25	1.411
0.2486	243	10.348	4.63	3.016
0.2478	279	20.306	6.774	0.284
0.2491	297	23.033	7.289	5.211
0.2485	315	29.245	9.253	4.474
0.3506	45	23.486	10.5	1.655
0.3505	81	18.574	8.312	4.849
0.3494	99	16.724	4.471	3.534
0.349	117	18.988	5.27	1.519
0.3496	135	20.063	5.568	1.118
0.3489	153	26.319	6.387	1.664
0.349	171	18.42	8.242	10.3
0.3493	225	27.12	9.592	1.956
0.3488	243	21.269	5.495	1.646
0.3525	261	26.97	6.967	2.913
0.3496	279	81.799	19.83	10.55
0.3517	315	18.623	8.335	2.899
0.4972	45	15.138	4.373	2.378
0.4996	63	10.051	4.499	6.353
0.4997	81	52.427	21.4	5.021
0.5008	99	15.961	4.266	2.065
0.4971	117	16.824	3.861	1.329
0.4948	135	11.802	3.275	3.594
0.499	153	15.804	4.386	2.283
0.4957	171	14.59	6.531	3.689
0.4939	189	17.279	7.733	6.466
0.4969	207	21.955	6.944	4.171
0.4955	225	18.403	4.465	2.256
0.4971	243	20.352	3.598	0.207
0.4971	261	20.329	5.251	0.248
0.4963	297	17.654	4.719	3.773
0.4959	315	19.701	4.406	2.786
0.4977	333	19.861	8.113	5.746
0.7819	45	10.704	2.337	4.012
0.7867	63	9.8826	2.641	0.195
0.7843	81	33.204	14.84	7.445
0.7828	99	13.321	3.141	0.694
0.785	117	14.965	3.435	2.012
0.7873	225	11.276	5.046	3.838
0.781	243	11.66	2.749	1.662
0.7835	261	20.841	4.661	2.78
0.7849	297	6.5642	1.895	1.424
0.7846	315	11.485	2.171	1.229
1.228	45	3.7319	1.668	0.516
1.22	81	3.8842	1.736	0.459
1.225	99	8.148	2.576	0.675
1.222	261	6.1179	2.497	0.343
1.226	315	4.3384	1.446	1.449
1.73	171	4.3248	1.934	1.098
1.727	279	4.8478	2.168	1.429