Measurement E213M613

Experiment:	E1-6, 2025
Year:	2001	Measurement comment: The angle ψ is the angle between the plane defined by the three-momenta of the hadron (in parentheses) and the target proton, and the plane defined by the three-momenta of the other two final-state hadrons Experiment comment: Experiment year: 2001—2002
Spokespersons:	R.W. Gothe, A. Trivedi
Reaction:	ep → π⁺π⁻p
Polarization:	none
Quantity:	dσ/dψ(π⁻)
Q²:	2.4 — 3.0 GeV²
W:	1.95 — 1.975 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6076	0.0317	0.1154	0.1197
54.0	0.6551	0.0433	0.0898	0.0997
90.0	0.6831	0.0367	0.0937	0.1006
126.0	0.7972	0.0366	0.1059	0.112
162.0	0.8856	0.056	0.1098	0.1233
198.0	0.8923	0.0432	0.113	0.121
234.0	0.8254	0.0383	0.1091	0.1157
270.0	0.6819	0.0314	0.0917	0.097
306.0	0.6412	0.0347	0.0883	0.0948
342.0	0.5841	0.0312	0.1133	0.1175

CLAS Physics Database