CLAS Physics Database

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Measurement E25M33

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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 :	1.9 — 2.11 GeV²
x_b :	0.322 — 0.369

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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
0.354	2.03	0.494	14.943	-0.012	0.051
0.346	2	0.5	44.03	0.052	0.046
0.346	2.04	0.483	69.16	0.178	0.094
0.362	2.04	0.497	108.913	0.116	0.146
0.361	2.03	0.501	134.422	-0.104	0.088
0.322	1.9	0.52	165.727	0	0.168
0.332	1.95	0.484	196.882	-0.081	0.122
0.35	2	0.491	219.953	-0.188	0.114
0.369	2.11	0.487	251.892	-0.124	0.197
0.335	2.01	0.503	289.713	-0.233	0.117
0.349	2.02	0.5	318.024	-0.039	0.048
0.356	2.04	0.493	343.738	-0.031	0.044