CLAS Physics Database

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Measurement E25M34

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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 :	1.95 — 2.05 GeV²
x_b :	0.333 — 0.365

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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
0.362	2.05	0.753	18.423	0.013	0.055
0.349	2.02	0.78	44.1	0.058	0.039
0.342	1.98	0.822	70.1	-0.107	0.083
0.363	2.05	0.793	108.494	0.055	0.115
0.365	2.05	0.778	135.383	-0.022	0.065
0.333	1.95	0.774	164.815	0.259	0.146
0.34	1.97	0.78	201.712	0.094	0.099
0.358	2.04	0.794	221.078	0.114	0.084
0.353	2.01	0.824	258.031	0.028	0.119
0.345	2	0.82	286.077	-0.103	0.075
0.35	2.02	0.776	317.795	-0.042	0.038
0.363	2.04	0.752	341.26	0.013	0.049