CLAS Physics Database

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Measurement E25M26

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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 :	2.1 — 2.27 GeV²
x_b :	0.237 — 0.266

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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
0.266	2.27	0.144	18.904	-0.194	0.188
0.254	2.2	0.149	44.497	0.052	0.102
0.241	2.12	0.155	74.692	0.07	0.085
0.245	2.15	0.16	103.012	0.174	0.075
0.237	2.1	0.159	134.717	0	0.104
0.24	2.1	0.162	164.474	-0.121	0.131
0.239	2.11	0.161	195.615	-0.131	0.087
0.243	2.13	0.155	225.885	0.082	0.089
0.244	2.15	0.158	256.36	-0.118	0.078
0.246	2.15	0.152	282.903	-0.061	0.088
0.257	2.22	0.154	313.922	-0.102	0.108
0.263	2.26	0.141	340.957	0.122	0.206