CLAS Physics Database

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Measurement E25M9

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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 :	1.32 — 1.36 GeV²
x_b :	0.168 — 0.179

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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
0.173	1.35	0.858	22.154	0.037	0.189
0.177	1.35	0.787	46.502	0.09	0.049
0.174	1.35	0.772	72.032	0.07	0.049
0.171	1.36	0.712	100.158	0	0.094
0.169	1.34	0.712	136.638	-0.168	0.232
0.178	1.36	0.759	167.058	-0.057	0.216
0.179	1.32	0.828	188.711	-0.179	0.403
0.168	1.35	0.777	227.996	-0.423	0.346
0.172	1.35	0.732	261.33	0.063	0.083
0.174	1.36	0.77	286.41	-0.037	0.046
0.176	1.36	0.798	313.219	-0.05	0.059
0.173	1.34	0.85	337.832	-0.015	0.168