CLAS Physics Database

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Measurement E25M41

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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 :	2.42 — 2.55 GeV²
x_b :	0.3 — 0.331

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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
0.331	2.55	0.174	12.855	0.052	0.148
0.329	2.53	0.174	42.116	-0.038	0.129
0.324	2.49	0.175	71.523	-0.197	0.164
0.324	2.52	0.175	103.676	0.167	0.164
0.32	2.46	0.18	126.983	-0.138	0.31
0.312	2.46	0.179	163.742	-0.746	0.648
0.3	2.44	0.169	198.785	0.618	0.691
0.307	2.42	0.177	224.588	0.252	0.353
0.321	2.52	0.178	256.095	-0.049	0.179
0.326	2.53	0.175	287.119	0.038	0.154
0.326	2.52	0.174	315.962	0.013	0.139
0.326	2.49	0.173	342.408	-0.557	0.16