Measurement E213M615

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(p)
Q²:	2.4 — 3.0 GeV²
W:	1.95 — 1.975 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7092	0.0402	0.1291	0.1352
54.0	0.6933	0.0372	0.0992	0.106
90.0	0.7024	0.0293	0.0946	0.0991
126.0	0.725	0.0414	0.099	0.1073
162.0	0.7883	0.0435	0.1022	0.111
198.0	0.7498	0.0437	0.0969	0.1063
234.0	0.7131	0.0407	0.0964	0.1046
270.0	0.7092	0.0409	0.0944	0.1029
306.0	0.7297	0.0439	0.1024	0.1114
342.0	0.7042	0.0412	0.1278	0.1343

CLAS Physics Database