Measurement E213M768

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:	1.65 — 1.675 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.5656	0.0477	0.074	0.107
54.0	0.5222	0.0378	0.0551	0.0669
90.0	0.4661	0.0341	0.0465	0.0577
126.0	0.4478	0.0285	0.0436	0.0521
162.0	0.5453	0.038	0.0506	0.0777
198.0	0.4658	0.03	0.0442	0.0624
234.0	0.4836	0.0405	0.0466	0.0617
270.0	0.4479	0.0311	0.0452	0.0549
306.0	0.5016	0.0712	0.0529	0.0887
342.0	0.4977	0.0429	0.0698	0.0988

CLAS Physics Database