Measurement E213M1227

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:	4.2 — 5.0 GeV²
W:	1.475 — 1.5 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1476	0.0193	0.0399	0.056
54.0	0.1112	0.0368	0.0274	0.0459
90.0	0.0981	0.0137	0.0234	0.0333
126.0	0.1595	0.0223	0.0339	0.0406
162.0	0.176	0.0179	0.0365	0.0519
198.0	0.1499	0.0164	0.032	0.0455
234.0	0.1361	0.0159	0.03	0.034
270.0	0.133	0.0185	0.0301	0.0428
306.0	0.1448	0.019	0.0339	0.0473
342.0	0.0948	0.0367	0.0309	0.048

CLAS Physics Database