Measurement E213M748

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:	1.6 — 1.625 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3049	0.0364	0.0572	0.081
54.0	0.4044	0.0409	0.0545	0.0681
90.0	0.435	0.0395	0.0547	0.0675
126.0	0.4128	0.0335	0.0514	0.0614
162.0	0.3917	0.0341	0.0479	0.0588
198.0	0.4005	0.0273	0.0487	0.0558
234.0	0.4102	0.0302	0.0511	0.0594
270.0	0.3767	0.0295	0.0482	0.0565
306.0	0.351	0.0307	0.0483	0.0572
342.0	0.2609	0.0269	0.0521	0.0743

CLAS Physics Database