Measurement E213M650

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:	2.4 — 3.0 GeV²
W:	2.05 — 2.075 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.497	0.0271	0.0941	0.0979
54.0	0.4648	0.028	0.0937	0.0978
90.0	0.497	0.0587	0.1012	0.117
126.0	0.6594	0.0384	0.1138	0.1201
162.0	0.7634	0.032	0.1229	0.1271
198.0	0.8516	0.0381	0.132	0.1374
234.0	0.6324	0.037	0.1105	0.1165
270.0	0.5764	0.0416	0.1092	0.1169
306.0	0.4685	0.0229	0.0945	0.0973
342.0	0.4946	0.0319	0.0938	0.0991

CLAS Physics Database