CLAS Physics Database

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Measurement E25M14

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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 :	1.51 — 1.58 GeV²
x_b :	0.17 — 0.177

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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
0.174	1.54	0.852	22.041	-0.08	0.164
0.177	1.55	0.791	46.534	0.058	0.056
0.176	1.54	0.771	73.556	0.114	0.055
0.176	1.56	0.742	102.906	0.019	0.06
0.175	1.57	0.724	132.656	-0.017	0.106
0.17	1.51	0.769	165.091	0.079	0.147
0.176	1.58	0.726	192.747	0	0.165
0.173	1.56	0.718	226.086	-0.199	0.102
0.176	1.56	0.745	257.616	-0.018	0.058
0.176	1.55	0.776	283.586	-0.025	0.049
0.177	1.56	0.769	313.068	0.026	0.065
0.171	1.52	0.886	339.911	-0.044	0.147