CLAS Physics Database

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Measurement E25M36

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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 :	2.2 — 2.23 GeV²
x_b :	0.307 — 0.326

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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
0.325	2.23	0.17	16.508	-0.013	0.13
0.325	2.23	0.176	45.706	-0.048	0.113
0.326	2.23	0.176	71.396	0.138	0.13
0.316	2.21	0.175	105.518	-0.263	0.19
0.307	2.2	0.178	128.24	-0.765	0.665
0.307	2.21	0.183	233.995	0.253	0.407
0.32	2.21	0.174	257.694	-0.228	0.162
0.323	2.21	0.176	285.993	0	0.139
0.322	2.2	0.175	317.813	0.026	0.109
0.322	2.22	0.171	343.305	0.062	0.134