Measurement E213M1317

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:	1.725 — 1.75 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3187	0.055	0.0523	0.0759
54.0	0.2907	0.0323	0.0386	0.0503
90.0	0.2849	0.0308	0.0369	0.0481
126.0	0.3435	0.0289	0.042	0.051
162.0	0.326	0.0299	0.0408	0.0506
198.0	0.333	0.0304	0.0407	0.0508
234.0	0.2288	0.0221	0.0325	0.0393
270.0	0.2084	0.0166	0.0304	0.1012
306.0	0.2985	0.0256	0.039	0.0467
342.0	0.3255	0.0399	0.0523	0.0658

CLAS Physics Database