Measurement E213M604

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:	1.925 — 1.95 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.5443	0.0292	0.1113	0.1631
54.0	0.6612	0.0344	0.0922	0.0984
90.0	0.6645	0.0312	0.0921	0.0972
126.0	0.7904	0.0403	0.1065	0.1139
162.0	0.9728	0.0476	0.1196	0.1749
198.0	0.9143	0.0442	0.1164	0.1702
234.0	0.8273	0.0495	0.1103	0.121
270.0	0.6776	0.03	0.0928	0.0975
306.0	0.6639	0.0493	0.0925	0.1048
342.0	0.6002	0.0406	0.1171	0.1611

CLAS Physics Database