Measurement E213M579

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:	2.4 — 3.0 GeV²
W:	1.85 — 1.875 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7493	0.0486	0.1297	0.1386
54.0	0.7472	0.0499	0.1009	0.1126
90.0	0.7265	0.0486	0.0912	0.1034
126.0	0.7182	0.0347	0.0906	0.1282
162.0	0.6942	0.0332	0.0847	0.1202
198.0	0.7556	0.0474	0.0897	0.1273
234.0	0.755	0.0474	0.0934	0.1321
270.0	0.759	0.0419	0.0959	0.1047
306.0	0.8136	0.0431	0.107	0.1153
342.0	0.8005	0.05	0.1355	0.1444

CLAS Physics Database