Measurement E213M588

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(p)
Q²:	2.4 — 3.0 GeV²
W:	1.875 — 1.9 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6586	0.0362	0.1197	0.174
54.0	0.8294	0.0565	0.1058	0.1199
90.0	0.7271	0.032	0.0886	0.0942
126.0	0.7675	0.0399	0.094	0.1021
162.0	0.6873	0.0322	0.0827	0.0887
198.0	0.8078	0.0483	0.0929	0.1047
234.0	0.7439	0.042	0.0916	0.1008
270.0	0.755	0.0559	0.0917	0.1074
306.0	0.7499	0.046	0.0969	0.1072
342.0	0.7304	0.0402	0.1276	0.1823

CLAS Physics Database