CLAS Physics Database

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Measurement E25M39

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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 :	2.23 — 2.42 GeV²
x_b :	0.336 — 0.379

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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
0.378	2.42	0.756	18.615	-0.106	0.061
0.359	2.35	0.776	45.715	0.022	0.035
0.346	2.31	0.758	68.407	0.115	0.062
0.363	2.34	0.778	104.606	0.068	0.138
0.379	2.41	0.799	134.801	0.078	0.108
0.336	2.23	0.746	163.761	0.075	0.225
0.359	2.32	0.781	201.005	-0.083	0.139
0.369	2.36	0.776	222.167	-0.026	0.112
0.364	2.37	0.809	259.501	-0.075	0.132
0.348	2.33	0.772	289.554	-0.139	0.061
0.359	2.35	0.78	315.774	-0.106	0.038
0.376	2.41	0.766	340.563	-0.017	0.053