Measurement E213M272

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:	1.725 — 1.75 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	1.2336	0.0543	0.1679	0.1765
54.0	1.2154	0.0521	0.1688	0.1766
90.0	1.2266	0.0595	0.171	0.1811
126.0	1.3923	0.0709	0.188	0.2009
162.0	1.4922	0.0696	0.1963	0.2083
198.0	1.4966	0.0641	0.1978	0.208
234.0	1.4339	0.073	0.1913	0.2047
270.0	1.3218	0.0701	0.1804	0.1935
306.0	1.1617	0.0502	0.1646	0.172
342.0	1.1601	0.0565	0.1622	0.1718

CLAS Physics Database