Measurement E213M640

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:	2.025 — 2.05 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.4709	0.0309	0.0932	0.0981
54.0	0.4653	0.0265	0.0713	0.0761
90.0	0.5429	0.0253	0.082	0.0858
126.0	0.6826	0.033	0.0942	0.0998
162.0	0.8412	0.0477	0.1069	0.1171
198.0	0.8313	0.0448	0.1074	0.1163
234.0	0.6784	0.0345	0.0952	0.1012
270.0	0.5901	0.0358	0.0857	0.0929
306.0	0.5159	0.0292	0.0762	0.0816
342.0	0.4067	0.0214	0.0881	0.0906

CLAS Physics Database