CLAS Physics Database

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Measurement E25M42

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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 :	2.52 — 2.71 GeV²
x_b :	0.32 — 0.361

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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
0.361	2.71	0.298	15.766	-0.005	0.059
0.355	2.67	0.303	45.972	0.097	0.046
0.351	2.65	0.299	73.588	0.134	0.048
0.339	2.61	0.294	103.817	0.067	0.058
0.335	2.61	0.29	129.531	0.126	0.108
0.32	2.55	0.262	164.921	0.21	0.225
0.32	2.52	0.285	200.264	-0.27	0.172
0.331	2.6	0.289	227.579	0.015	0.099
0.342	2.62	0.3	257.626	-0.101	0.05
0.348	2.64	0.311	284.787	-0.159	0.049
0.356	2.68	0.302	315.522	-0.093	0.046
0.359	2.7	0.304	342.572	-0.097	0.052