CLAS Physics Database

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Measurement E25M45

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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 :	2.64 — 2.99 GeV²
x_b :	0.354 — 0.401

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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	2.69	1.415	23.702	0.033	0.107
0.36	2.7	1.342	46.517	0.063	0.048
0.358	2.69	1.294	71.033	0.124	0.067
0.379	2.81	1.46	99.155	-0.021	0.17
0.38	2.73	1.464	134.847	0.145	0.192
0.401	2.99	1.661	150.704	1.521	0.795
0.373	2.77	1.314	198.908	-0.09	0.262
0.377	2.74	1.367	225.462	0.168	0.186
0.362	2.7	1.351	256.928	-0.314	0.13
0.363	2.72	1.3	287.792	0.021	0.068
0.362	2.71	1.325	314.674	-0.155	0.049
0.354	2.64	1.418	337.334	-0.193	0.107