Measurement E213M1299

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:	4.2 — 5.0 GeV²
W:	1.675 — 1.7 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2753	0.0344	0.0518	0.0622
54.0	0.2269	0.0222	0.0356	0.0419
90.0	0.1978	0.0182	0.0319	0.0446
126.0	0.2427	0.0244	0.0357	0.0432
162.0	0.2707	0.0289	0.0373	0.0532
198.0	0.2719	0.0244	0.0376	0.0537
234.0	0.2144	0.0199	0.0326	0.0382
270.0	0.2019	0.018	0.0326	0.0464
306.0	0.2705	0.0247	0.0392	0.0463
342.0	0.2998	0.0399	0.0536	0.0668

CLAS Physics Database