CLAS Physics Database

Your browser does not support JavaScript or JavaScript is turned off in your browser. It is strongly recommended to turn JavaScript on to view this page. Some features may not work if JavaScript is turned off.

Measurement E25M15

You are not logged in.

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 :	1.47 — 1.61 GeV²
x_b :	0.172 — 0.186

Sorry, picture is not available

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
0.175	1.54	1.314	15.405	0.136	0.083
0.175	1.54	1.299	46.462	0.016	0.059
0.175	1.56	1.226	72.962	0.053	0.075
0.174	1.57	1.174	102.782	0	0.162
0.178	1.55	1.255	132.359	0.181	0.342
0.175	1.56	1.263	164.411	-0.581	0.282
0.172	1.47	1.283	192.446	0.423	0.493
0.186	1.61	1.284	228.862	0.474	0.337
0.172	1.53	1.204	260.489	-0.137	0.146
0.177	1.56	1.231	287.108	-0.024	0.066
0.175	1.55	1.307	314.781	0.017	0.067
0.175	1.54	1.381	342.623	-0.015	0.071