Measurement E213M678

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:	3.0 — 3.5 GeV²
W:	1.4 — 1.425 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1453	0.013	0.0575	0.0853
54.0	0.1695	0.0158	0.0504	0.0528
90.0	0.155	0.0153	0.0428	0.0454
126.0	0.1806	0.0174	0.0445	0.0478
162.0	0.1981	0.0183	0.0456	0.0664
198.0	0.211	0.0184	0.0478	0.0681
234.0	0.1662	0.0156	0.0427	0.0455
270.0	0.1464	0.0148	0.0418	0.0444
306.0	0.1575	0.0169	0.0479	0.0508
342.0	0.1857	0.0215	0.0639	0.0887

CLAS Physics Database