Measurement E213M966

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:	3.5 — 4.2 GeV²
W:	1.475 — 1.5 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1858	0.0251	0.046	0.0652
54.0	0.21	0.0222	0.0411	0.0467
90.0	0.2124	0.0185	0.0391	0.0433
126.0	0.2787	0.0238	0.0486	0.0696
162.0	0.2633	0.0194	0.0454	0.0642
198.0	0.248	0.0184	0.043	0.0611
234.0	0.2549	0.0209	0.045	0.0643
270.0	0.2228	0.0206	0.0406	0.0456
306.0	0.2087	0.0269	0.041	0.0491
342.0	0.1845	0.0206	0.0457	0.0652

CLAS Physics Database