Measurement E213M1443

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:	2.075 — 2.1 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1713	0.0133	0.043	0.045
54.0	0.1881	0.0131	0.0374	0.0396
90.0	0.1544	0.0121	0.0348	0.0369
126.0	0.1724	0.0113	0.0409	0.0425
162.0	0.2074	0.0192	0.0423	0.0465
198.0	0.2042	0.0198	0.0422	0.0466
234.0	0.189	0.0144	0.0428	0.0452
270.0	0.1651	0.0131	0.0357	0.038
306.0	0.169	0.0133	0.0359	0.0383
342.0	0.1861	0.0163	0.0441	0.047

CLAS Physics Database