Measurement E213M326

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:	2.0 — 2.4 GeV²
W:	1.875 — 1.9 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.9565	0.0426	0.1313	0.138
54.0	0.8527	0.0442	0.1261	0.1336
90.0	0.9297	0.0522	0.1313	0.1413
126.0	1.1479	0.0526	0.1517	0.1606
162.0	1.2775	0.0553	0.1605	0.2304
198.0	1.1453	0.0593	0.1501	0.2189
234.0	1.2046	0.0645	0.1567	0.1695
270.0	0.9901	0.0518	0.1376	0.147
306.0	0.866	0.0466	0.1252	0.1336
342.0	0.8759	0.0372	0.125	0.1304

CLAS Physics Database