CLAS Physics Database

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Measurement E25M32

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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 :	1.9 — 2.04 GeV²
x_b :	0.322 — 0.362

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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
0.344	2	0.309	14.264	0.045	0.053
0.342	2	0.309	45.097	0.095	0.048
0.351	2.03	0.289	71.509	0.064	0.072
0.353	2.02	0.297	104.03	0.232	0.099
0.348	1.99	0.317	131.372	0.057	0.105
0.322	1.9	0.305	163.071	-0.556	0.606
0.324	1.9	0.335	198.458	0.047	0.289
0.351	1.99	0.319	227.924	0.078	0.152
0.362	2.04	0.294	256.018	0.053	0.1
0.338	2.01	0.3	287.503	-0.168	0.096
0.338	2	0.304	316.875	-0.124	0.049
0.345	2	0.31	344.11	0.023	0.046