Measurement E213M460

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:	1.525 — 1.55 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3255	0.0239	0.0714	0.0753
54.0	0.4514	0.0309	0.0629	0.0701
90.0	0.5037	0.0269	0.0629	0.0684
126.0	0.5018	0.0253	0.0607	0.0658
162.0	0.5532	0.0384	0.0645	0.075
198.0	0.5332	0.0227	0.0626	0.0666
234.0	0.5257	0.0248	0.0637	0.0683
270.0	0.47	0.0283	0.0595	0.0659
306.0	0.3911	0.0267	0.0574	0.0633
342.0	0.3834	0.0334	0.0784	0.0852

CLAS Physics Database