Measurement E213M1279

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(π⁻)
Q²:	4.2 — 5.0 GeV²
W:	1.625 — 1.65 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1282	0.0209	0.0317	0.038
54.0	0.1529	0.0206	0.0244	0.0319
90.0	0.1527	0.0157	0.0249	0.0351
126.0	0.1681	0.0167	0.0263	0.0311
162.0	0.2239	0.0252	0.0299	0.0392
198.0	0.2128	0.0205	0.0291	0.0357
234.0	0.1732	0.0167	0.0268	0.0316
270.0	0.2011	0.022	0.0296	0.0415
306.0	0.1415	0.0196	0.0234	0.0305
342.0	0.1194	0.0181	0.0309	0.0358

CLAS Physics Database