Measurement E213M668

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:	2.1 — 2.125 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3774	0.017	0.0842	0.0859
54.0	0.4154	0.0209	0.0892	0.0916
90.0	0.4947	0.0237	0.1024	0.1051
126.0	0.5697	0.0408	0.1059	0.1135
162.0	0.6977	0.0356	0.1176	0.1229
198.0	0.7324	0.0301	0.1196	0.1233
234.0	0.6182	0.0339	0.1102	0.1153
270.0	0.4949	0.0259	0.1034	0.1066
306.0	0.3966	0.0192	0.0876	0.0897
342.0	0.4139	0.0225	0.0889	0.0917

CLAS Physics Database