CLAS Physics Database

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Measurement E25M12

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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 :	1.55 — 1.59 GeV²
x_b :	0.175 — 0.186

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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
0.182	1.57	0.294	51.673	0.321	0.111
0.179	1.57	0.297	75.342	0.06	0.05
0.178	1.55	0.298	103.257	0.151	0.044
0.177	1.56	0.292	134.321	0.031	0.052
0.176	1.55	0.294	164.355	0.071	0.054
0.175	1.55	0.29	196.046	-0.033	0.057
0.176	1.55	0.296	224.905	-0.052	0.049
0.176	1.55	0.292	256.819	-0.071	0.043
0.177	1.55	0.299	282.456	-0.045	0.051
0.184	1.59	0.312	307.775	0.087	0.13
0.186	1.57	0.214	336.482	-1.232	1.742