CLAS Physics Database

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Measurement E25M7

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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 :	1.34 — 1.4 GeV²
x_b :	0.169 — 0.193

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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
0.193	1.4	0.234	20.576	-0.852	1.03
0.179	1.36	0.296	49.27	0.186	0.059
0.177	1.36	0.293	76.117	0.071	0.042
0.174	1.35	0.293	103.457	0.13	0.039
0.174	1.36	0.285	132.959	0.046	0.059
0.172	1.36	0.285	163.948	0.012	0.072
0.169	1.34	0.267	198.987	0.03	0.081
0.17	1.35	0.287	225.555	-0.144	0.057
0.175	1.35	0.29	257.104	-0.037	0.04
0.176	1.35	0.297	283.238	-0.037	0.039
0.181	1.37	0.298	311.14	0.031	0.07
0.19	1.34	0.254	334.478	-0.095	0.392