CLAS Physics Database

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Measurement E25M28

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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 :	2.04 — 2.51 GeV²
x_b :	0.23 — 0.299

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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
0.299	2.51	0.506	26.455	0	1.238
0.258	2.24	0.496	49.728	0.169	0.071
0.254	2.21	0.498	75.51	0.058	0.052
0.249	2.18	0.494	104.075	0.145	0.051
0.246	2.17	0.486	132.976	-0.026	0.075
0.23	2.04	0.485	164.465	0.015	0.099
0.249	2.22	0.486	198.507	-0.017	0.085
0.25	2.22	0.494	226.113	-0.025	0.06
0.252	2.21	0.487	256.561	-0.098	0.051
0.253	2.21	0.494	284.065	-0.06	0.048
0.256	2.21	0.492	309.958	-0.176	0.079
0.296	2.46	0.474	332.155	-0.618	0.691