Measurement E213M424

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:	1.425 — 1.45 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2239	0.0174	0.0694	0.0716
54.0	0.2303	0.0181	0.0493	0.0525
90.0	0.2734	0.0183	0.0482	0.0516
126.0	0.3364	0.0233	0.0526	0.0575
162.0	0.3659	0.0203	0.0551	0.0587
198.0	0.3015	0.0177	0.0471	0.0503
234.0	0.3027	0.0244	0.0493	0.055
270.0	0.2913	0.0202	0.0508	0.0547
306.0	0.2793	0.0218	0.056	0.0601
342.0	0.2276	0.0219	0.0711	0.0744

CLAS Physics Database