Measurement E213M1353

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:	1.825 — 1.85 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.206	0.0172	0.0503	0.0531
54.0	0.2186	0.0185	0.0405	0.0445
90.0	0.2153	0.025	0.0392	0.0465
126.0	0.1853	0.016	0.0377	0.0409
162.0	0.1932	0.0267	0.0378	0.0463
198.0	0.267	0.0236	0.0454	0.0512
234.0	0.178	0.0157	0.0373	0.0404
270.0	0.2035	0.0223	0.0381	0.0441
306.0	0.2265	0.0186	0.041	0.045
342.0	0.2141	0.0187	0.0502	0.0536

CLAS Physics Database