Measurement E213M758

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:	3.0 — 3.5 GeV²
W:	1.625 — 1.65 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3552	0.0334	0.0559	0.0651
54.0	0.2926	0.0178	0.0505	0.0717
90.0	0.3833	0.0247	0.0588	0.0638
126.0	0.4368	0.0282	0.0635	0.0695
162.0	0.512	0.0326	0.07	0.0773
198.0	0.5016	0.0336	0.0686	0.0764
234.0	0.4141	0.0337	0.0611	0.0698
270.0	0.3982	0.0308	0.0602	0.0676
306.0	0.3338	0.0232	0.0541	0.0766
342.0	0.3146	0.0215	0.0522	0.0565

CLAS Physics Database