Measurement E213M479

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:	1.575 — 1.6 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3432	0.0224	0.0667	0.0704
54.0	0.3555	0.0215	0.0683	0.0716
90.0	0.4032	0.0229	0.0728	0.0763
126.0	0.569	0.0299	0.0918	0.0965
162.0	0.6628	0.0306	0.1016	0.1061
198.0	0.68	0.0419	0.1034	0.1116
234.0	0.5358	0.0259	0.0881	0.0918
270.0	0.4286	0.0243	0.0759	0.0797
306.0	0.348	0.0212	0.0679	0.0711
342.0	0.2859	0.0232	0.0602	0.0645

CLAS Physics Database