Measurement E213M335

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:	1.9 — 1.925 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.8588	0.0448	0.1392	0.1463
54.0	0.8213	0.0377	0.1386	0.1436
90.0	0.9814	0.0515	0.1568	0.165
126.0	1.1117	0.0699	0.1695	0.24
162.0	1.1919	0.0619	0.1751	0.2454
198.0	1.2934	0.084	0.1848	0.2608
234.0	1.1058	0.057	0.1682	0.237
270.0	0.8654	0.0405	0.144	0.1496
306.0	0.796	0.042	0.1365	0.1428
342.0	0.8326	0.0373	0.1366	0.1416

CLAS Physics Database