CLAS Physics Database

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Measurement E25M30

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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 :	2.16 — 2.28 GeV²
x_b :	0.243 — 0.258

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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
0.244	2.16	1.441	17.356	0.083	0.079
0.25	2.19	1.306	46.014	-0.07	0.05
0.25	2.19	1.25	72.707	0.051	0.061
0.254	2.28	1.175	100.389	0.086	0.126
0.248	2.18	1.346	129.144	-0.407	1.132
0.243	2.18	1.178	169.878	0.183	0.49
0.256	2.21	1.438	200.432	-0.414	0.617
0.257	2.25	1.36	231.754	-0.412	0.379
0.258	2.28	1.183	258.253	-0.113	0.105
0.252	2.21	1.261	286.334	-0.035	0.055
0.253	2.23	1.301	315.329	0.031	0.056
0.244	2.16	1.38	342.191	0.106	0.072