Measurement E213M840

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:	3.0 — 3.5 GeV²
W:	1.85 — 1.875 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.5739	0.0533	0.0962	0.1099
54.0	0.5329	0.0405	0.0726	0.0831
90.0	0.4601	0.0342	0.0611	0.07
126.0	0.4599	0.0311	0.0614	0.0689
162.0	0.5295	0.0531	0.0663	0.0849
198.0	0.5842	0.0454	0.0714	0.0846
234.0	0.5364	0.0515	0.0683	0.0856
270.0	0.5915	0.0437	0.0755	0.0872
306.0	0.5564	0.0628	0.0746	0.0975
342.0	0.5924	0.0547	0.0989	0.113

CLAS Physics Database