Measurement E213M1432

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:	4.2 — 5.0 GeV²
W:	2.05 — 2.075 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1172	0.0099	0.0365	0.0378
54.0	0.1611	0.0158	0.0362	0.0395
90.0	0.163	0.0133	0.0378	0.0401
126.0	0.2381	0.0279	0.0491	0.0565
162.0	0.3132	0.0261	0.0537	0.0597
198.0	0.3119	0.0253	0.0532	0.0589
234.0	0.2184	0.0192	0.0471	0.0508
270.0	0.1643	0.0145	0.0376	0.0403
306.0	0.1253	0.0103	0.0321	0.0337
342.0	0.1122	0.0118	0.0364	0.0383

CLAS Physics Database