Measurement E213M624

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:	1.975 — 2.0 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6268	0.0387	0.1225	0.1777
54.0	0.5767	0.0311	0.0907	0.0959
90.0	0.6306	0.0331	0.0913	0.0971
126.0	0.6655	0.0408	0.0965	0.1048
162.0	0.738	0.0366	0.1012	0.147
198.0	0.6416	0.0303	0.0918	0.136
234.0	0.6689	0.0367	0.0973	0.104
270.0	0.6335	0.0375	0.0923	0.0996
306.0	0.6249	0.0293	0.0958	0.1001
342.0	0.6183	0.034	0.119	0.1648

CLAS Physics Database