CLAS Physics Database

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Measurement E25M43

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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 — 2.74 GeV²
x_b :	0.344 — 0.373

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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
0.373	2.74	0.483	17.3	0.146	0.075
0.358	2.69	0.497	46.068	0.029	0.047
0.354	2.67	0.498	73.513	0.055	0.05
0.345	2.67	0.489	101.464	0.111	0.084
0.351	2.67	0.48	131.944	0.21	0.168
0.352	2.67	0.484	165.179	-0.501	0.426
0.344	2.64	0.498	197.72	-0.166	0.267
0.354	2.69	0.477	226.988	-0.1	0.169
0.346	2.67	0.49	261.308	-0.137	0.076
0.356	2.69	0.497	285.56	-0.108	0.048
0.362	2.71	0.494	314.664	-0.083	0.052
0.371	2.74	0.49	341.73	0.01	0.069