CLAS Physics Database

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Measurement E25M38

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Experiment: e1-dvcs E06-003, 2007

Spokespersons: V. D. Burkert, L. Elouadrhiri, M. Gar�on, S. Stepanyan

Publication:

R. De Masi, M. Gar�on, B. Zhao, and CLAS Collaboration Beam spin asymmetry in deep and exclusive π⁰ electroproduction // arXiv:0711.4736

Quantity measured: A, dimensionless
Beam spin asymmetry.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: none
Final state: π⁰p, polarization: none

Q² :	2.25 — 2.4 GeV²
x_b :	0.338 — 0.371

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Click here to get data in text file, delimited with tabs.

Measured data:

x, dimensionless	Q², GeV2	-t, GeV2	φ, deg	A, dimensionless	Data errors, dimensionless
0.368	2.39	0.492	16.166	0.006	0.053
0.355	2.34	0.496	46.392	0.072	0.041
0.345	2.33	0.492	70.657	0.086	0.057
0.371	2.4	0.484	106.845	0.055	0.136
0.367	2.36	0.481	130.749	0.077	0.136
0.338	2.25	0.509	170.133	0.252	0.393
0.346	2.29	0.496	198.983	-0.12	0.213
0.365	2.38	0.509	221.972	-0.225	0.162
0.351	2.37	0.475	259.563	0.05	0.153
0.343	2.32	0.488	288.383	-0.09	0.063
0.356	2.35	0.502	315.187	-0.09	0.045
0.369	2.39	0.493	343.062	-0.035	0.047