Measurement E213M318

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:	2.0 — 2.4 GeV²
W:	1.85 — 1.875 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	1.0077	0.0528	0.1819	0.2579
54.0	1.0509	0.0631	0.1431	0.2023
90.0	1.1025	0.0654	0.1383	0.208
126.0	1.0766	0.0624	0.1318	0.1868
162.0	1.0535	0.0531	0.1257	0.1831
198.0	0.9672	0.0438	0.1168	0.1702
234.0	1.0451	0.0551	0.1295	0.1407
270.0	1.0534	0.0613	0.1334	0.1872
306.0	1.0135	0.0586	0.1404	0.2044
342.0	1.0733	0.067	0.1875	0.2648

CLAS Physics Database