Measurement E213M703

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:	3.0 — 3.5 GeV²
W:	1.475 — 1.5 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3217	0.0416	0.0622	0.0748
54.0	0.2706	0.038	0.0414	0.0562
90.0	0.3342	0.0237	0.046	0.0517
126.0	0.3111	0.0233	0.0421	0.0481
162.0	0.4218	0.0247	0.0546	0.0599
198.0	0.4401	0.0275	0.0569	0.0632
234.0	0.4032	0.0257	0.0533	0.0592
270.0	0.3489	0.0272	0.0476	0.0548
306.0	0.2957	0.0293	0.0446	0.0533
342.0	0.2496	0.024	0.054	0.0591

CLAS Physics Database