Measurement E213M910

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:	3.0 — 3.5 GeV²
W:	2.05 — 2.075 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2896	0.0246	0.0601	0.0649
54.0	0.3187	0.0244	0.0498	0.0554
90.0	0.353	0.0261	0.0572	0.0629
126.0	0.4219	0.0237	0.0642	0.0684
162.0	0.5623	0.0313	0.0771	0.0832
198.0	0.5984	0.0372	0.0808	0.089
234.0	0.4457	0.0267	0.066	0.0712
270.0	0.4317	0.0317	0.0647	0.072
306.0	0.3386	0.0386	0.0515	0.0644
342.0	0.2479	0.0283	0.0558	0.0625

CLAS Physics Database