CLAS Physics Database

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Measurement E25M23

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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 :	1.87 — 2.06 GeV²
x_b :	0.231 — 0.28

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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
0.272	2.05	0.478	25.16	-0.078	0.259
0.254	1.97	0.492	47.917	0.122	0.045
0.248	1.94	0.494	74.27	0.06	0.041
0.239	1.9	0.48	102.658	-0.006	0.052
0.232	1.88	0.474	132.072	0.075	0.112
0.234	1.87	0.472	163.604	0.227	0.151
0.236	1.89	0.497	194.822	-0.238	0.227
0.231	1.88	0.476	226.811	-0.16	0.114
0.241	1.92	0.49	259.22	-0.03	0.053
0.247	1.94	0.493	284.045	-0.055	0.038
0.256	1.98	0.491	312.61	-0.074	0.049
0.28	2.06	0.469	335.22	0.034	0.243