CLAS Physics Database

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Measurement E25M59

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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 :	3.48 — 3.67 GeV²
x_b :	0.42 — 0.448

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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
0.448	3.58	0.35	14.582	0.039	0.157
0.443	3.59	0.354	45.002	-0.217	0.177
0.438	3.53	0.346	73.542	0.07	0.149
0.443	3.59	0.366	100.631	-0.084	0.232
0.428	3.57	0.388	131.745	0.636	0.711
0.42	3.67	0.363	234.953	0	0.879
0.432	3.48	0.37	256.981	-0.079	0.232
0.441	3.59	0.367	285.998	0.019	0.158
0.443	3.58	0.355	315.557	-0.43	0.159
0.44	3.57	0.351	343.605	-0.016	0.149