Measurement E213M1416

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:	2.0 — 2.025 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1946	0.018	0.0447	0.0482
54.0	0.1821	0.0197	0.0369	0.0418
90.0	0.1851	0.0142	0.0375	0.0401
126.0	0.2189	0.0179	0.0434	0.047
162.0	0.2142	0.0177	0.0419	0.0455
198.0	0.25	0.0235	0.0451	0.0509
234.0	0.1889	0.0162	0.0412	0.0443
270.0	0.1811	0.0135	0.037	0.0394
306.0	0.1619	0.0238	0.0354	0.0427
342.0	0.1842	0.0175	0.0439	0.0472

CLAS Physics Database