Measurement E213M317

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

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.9435	0.0405	0.1461	0.1516
54.0	0.778	0.0929	0.1323	0.1617
90.0	1.0867	0.0528	0.1642	0.1725
126.0	1.0641	0.0572	0.1616	0.2325
162.0	1.3214	0.0565	0.1845	0.2623
198.0	1.3081	0.0605	0.1833	0.2573
234.0	1.1703	0.0669	0.1722	0.2469
270.0	1.0073	0.0515	0.1567	0.1649
306.0	0.8336	0.0444	0.1373	0.1443
342.0	0.9527	0.0437	0.146	0.1524

CLAS Physics Database