Measurement E213M489

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(p)
Q²:	2.4 — 3.0 GeV²
W:	1.6 — 1.625 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.5994	0.0373	0.1128	0.1628
54.0	0.5703	0.0326	0.0932	0.0988
90.0	0.4577	0.0515	0.0733	0.0896
126.0	0.5121	0.0342	0.0783	0.0854
162.0	0.4795	0.0252	0.0733	0.0775
198.0	0.551	0.0274	0.0829	0.0873
234.0	0.4574	0.0253	0.0725	0.0768
270.0	0.4772	0.0293	0.0767	0.0821
306.0	0.553	0.0387	0.091	0.0989
342.0	0.5405	0.0379	0.1058	0.1482

CLAS Physics Database