CLAS Physics Database

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Measurement E25M6

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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 :	1.33 — 1.37 GeV²
x_b :	0.173 — 0.184

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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
0.184	1.37	0.125	19.758	0.062	0.183
0.179	1.34	0.143	46.493	0.09	0.075
0.177	1.35	0.148	75.913	0.122	0.055
0.173	1.33	0.148	104.485	0.099	0.051
0.175	1.35	0.147	136.098	0.1	0.071
0.174	1.36	0.146	163.986	0.196	0.081
0.175	1.37	0.143	198.182	-0.086	0.071
0.174	1.35	0.149	225.347	0.01	0.064
0.175	1.35	0.148	255.75	-0.108	0.048
0.177	1.35	0.153	283.81	-0.009	0.055
0.18	1.35	0.141	313.461	-0.027	0.078
0.184	1.37	0.129	341.448	-0.057	0.161