Measurement E213M631

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:	2.0 — 2.025 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.502	0.0366	0.0967	0.1033
54.0	0.5739	0.0323	0.0809	0.0871
90.0	0.5941	0.0303	0.085	0.0902
126.0	0.7132	0.0373	0.0968	0.1038
162.0	0.8951	0.0472	0.1118	0.1214
198.0	0.839	0.0399	0.1074	0.1145
234.0	0.6826	0.032	0.0947	0.1
270.0	0.5726	0.0378	0.0825	0.0908
306.0	0.494	0.0315	0.0735	0.08
342.0	0.4696	0.025	0.0943	0.0975

CLAS Physics Database