Measurement E213M641

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:	2.025 — 2.05 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.504	0.0323	0.0928	0.0982
54.0	0.5247	0.0293	0.0981	0.1024
90.0	0.6148	0.051	0.1102	0.1215
126.0	0.7293	0.0468	0.1179	0.1268
162.0	0.8345	0.0389	0.1263	0.1322
198.0	0.7919	0.0424	0.1229	0.13
234.0	0.6556	0.033	0.112	0.1167
270.0	0.5546	0.0267	0.1048	0.1082
306.0	0.5096	0.0301	0.0968	0.1013
342.0	0.5135	0.0284	0.0938	0.098

CLAS Physics Database