Measurement E213M785

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:	1.7 — 1.725 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6419	0.0338	0.0844	0.0909
54.0	0.6644	0.0462	0.0874	0.0989
90.0	0.6288	0.0494	0.0855	0.0988
126.0	0.741	0.0443	0.0955	0.1052
162.0	0.7529	0.0404	0.0964	0.1363
198.0	0.8467	0.0524	0.1038	0.1458
234.0	0.6969	0.0415	0.0911	0.1001
270.0	0.6066	0.0383	0.0839	0.0922
306.0	0.608	0.0656	0.0822	0.1052
342.0	0.6727	0.0498	0.0871	0.1003

CLAS Physics Database