Measurement E213M623

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:	2.4 — 3.0 GeV²
W:	1.975 — 2.0 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.5425	0.0241	0.0959	0.0989
54.0	0.5137	0.0248	0.0976	0.1432
90.0	0.6492	0.0402	0.1135	0.1204
126.0	0.6973	0.0395	0.1167	0.1232
162.0	0.805	0.0362	0.1245	0.1772
198.0	0.8389	0.0384	0.127	0.1806
234.0	0.7121	0.0348	0.1179	0.123
270.0	0.586	0.0336	0.107	0.1121
306.0	0.5915	0.0339	0.104	0.1471
342.0	0.5329	0.0291	0.0948	0.0992

CLAS Physics Database