CLAS Physics Database

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Measurement E25M37

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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 :	2.12 — 2.35 GeV²
x_b :	0.31 — 0.358

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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
0.353	2.33	0.301	15.11	0.122	0.05
0.344	2.3	0.306	45.773	0.007	0.042
0.342	2.31	0.295	71.621	0.061	0.05
0.338	2.3	0.289	102.865	0.057	0.088
0.341	2.3	0.292	129.381	0.209	0.162
0.31	2.12	0.348	162.514	0.795	0.399
0.327	2.26	0.32	199.831	-0.15	0.232
0.342	2.27	0.304	224.367	-0.232	0.186
0.332	2.28	0.276	259.58	-0.015	0.081
0.337	2.29	0.303	286.356	-0.143	0.054
0.349	2.32	0.3	315.479	-0.042	0.042
0.358	2.35	0.308	344.057	-0.058	0.043