Measurement E213M263

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:	1.7 — 1.725 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	1.434	0.0619	0.2196	0.2281
54.0	1.2353	0.0624	0.2034	0.2127
90.0	1.2854	0.0616	0.2112	0.22
126.0	1.5763	0.0746	0.2407	0.252
162.0	1.5795	0.104	0.2431	0.3445
198.0	1.8391	0.0886	0.2669	0.3858
234.0	1.6677	0.0711	0.2509	0.2608
270.0	1.3842	0.0677	0.2213	0.2314
306.0	1.4171	0.0675	0.2198	0.23
342.0	1.3142	0.0494	0.2087	0.2145

CLAS Physics Database