CLAS Physics Database

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Measurement E25M47

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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 :	2.87 — 3.1 GeV²
x_b :	0.331 — 0.374

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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
0.374	3.1	0.295	15.437	-0.091	0.092
0.358	3.03	0.3	46.32	0.137	0.063
0.356	3.02	0.319	74.335	0.184	0.058
0.35	2.97	0.314	104.177	0.089	0.056
0.347	2.95	0.315	130.498	0.017	0.087
0.338	2.94	0.31	165.459	0.05	0.145
0.331	2.87	0.31	197.599	-0.145	0.093
0.345	2.96	0.323	225.712	-0.142	0.072
0.354	3	0.315	255.796	0.009	0.055
0.352	2.99	0.316	284.95	-0.148	0.057
0.359	3.02	0.304	314.802	-0.187	0.066
0.371	3.09	0.288	342.227	0.13	0.085