CLAS Physics Database

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Measurement E25M29

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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 :	2.06 — 2.22 GeV²
x_b :	0.234 — 0.254

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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
0.243	2.15	0.908	26.234	0.421	0.304
0.254	2.22	0.792	47.353	-0.039	0.051
0.254	2.22	0.774	74.959	0.11	0.046
0.251	2.22	0.749	103.689	0.125	0.054
0.243	2.19	0.72	130.172	0.272	0.098
0.234	2.06	0.711	162.077	-0.1	0.182
0.241	2.19	0.704	197.725	-0.119	0.178
0.244	2.21	0.723	227.946	-0.124	0.092
0.252	2.22	0.751	258.109	-0.075	0.054
0.252	2.21	0.779	284.52	-0.145	0.042
0.253	2.21	0.808	312.497	0.025	0.058
0.241	2.09	0.9	334.907	-0.098	0.285