CLAS Physics Database

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Measurement E25M53

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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 :	2.66 — 2.82 GeV²
x_b :	0.436 — 0.45

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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
0.448	2.74	0.784	14.556	0.05	0.057
0.449	2.79	0.793	43.761	0.005	0.057
0.448	2.82	0.759	68.784	0.174	0.13
0.45	2.74	0.789	109.48	0.031	0.144
0.441	2.66	0.813	134.103	0.088	0.116
0.436	2.73	0.837	204.842	0	0.63
0.44	2.72	0.828	222.402	-0.127	0.172
0.448	2.72	0.789	254.126	-0.297	0.152
0.443	2.73	0.793	291.202	-0.165	0.131
0.445	2.75	0.79	316.634	0.012	0.056
0.449	2.76	0.773	344.241	-0.027	0.051