Measurement E213M471

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:	1.55 — 1.575 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.4679	0.0345	0.0893	0.13
54.0	0.4416	0.024	0.0714	0.1028
90.0	0.4186	0.033	0.0649	0.0728
126.0	0.3959	0.0206	0.0601	0.0635
162.0	0.4577	0.0213	0.066	0.0694
198.0	0.4129	0.0197	0.061	0.0641
234.0	0.4082	0.0232	0.0618	0.066
270.0	0.4339	0.0281	0.0666	0.0723
306.0	0.4572	0.0246	0.0727	0.1041
342.0	0.4837	0.0284	0.0912	0.1341

CLAS Physics Database