Measurement E213M687

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(p)
Q²:	3.0 — 3.5 GeV²
W:	1.425 — 1.45 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2075	0.0227	0.0479	0.0676
54.0	0.1857	0.0302	0.0355	0.0466
90.0	0.1593	0.0146	0.0287	0.0412
126.0	0.2179	0.0179	0.0362	0.0404
162.0	0.2422	0.0188	0.0391	0.0434
198.0	0.2403	0.0183	0.0389	0.043
234.0	0.2302	0.0213	0.0384	0.0439
270.0	0.2149	0.019	0.0373	0.0526
306.0	0.2004	0.0191	0.0377	0.0423
342.0	0.1833	0.0174	0.0438	0.0617

CLAS Physics Database