Measurement E213M1425

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:	2.025 — 2.05 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1567	0.0126	0.0425	0.0443
54.0	0.1701	0.0217	0.0362	0.0422
90.0	0.2075	0.0139	0.0394	0.0418
126.0	0.2132	0.015	0.0437	0.0462
162.0	0.2343	0.0208	0.0439	0.0486
198.0	0.2031	0.0163	0.0416	0.0447
234.0	0.2216	0.0188	0.0452	0.049
270.0	0.194	0.0166	0.0384	0.0419
306.0	0.1943	0.0142	0.0382	0.0407
342.0	0.1595	0.0116	0.0423	0.0439

CLAS Physics Database