Measurement E213M561

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:	1.8 — 1.825 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7603	0.0453	0.1362	0.1435
54.0	0.7466	0.0386	0.1034	0.1104
90.0	0.7271	0.0328	0.093	0.0986
126.0	0.7235	0.0389	0.0913	0.0992
162.0	0.835	0.0471	0.0995	0.1101
198.0	0.7553	0.0373	0.0912	0.0985
234.0	0.7379	0.039	0.0928	0.1006
270.0	0.7397	0.0378	0.0946	0.1019
306.0	0.7884	0.0437	0.1075	0.116
342.0	0.7669	0.044	0.1381	0.145

CLAS Physics Database