Measurement E213M1452

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:	4.2 — 5.0 GeV²
W:	2.1 — 2.125 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1467	0.0121	0.0438	0.0455
54.0	0.1406	0.0106	0.0362	0.0377
90.0	0.1594	0.0125	0.0386	0.0406
126.0	0.1629	0.0123	0.0442	0.0459
162.0	0.191	0.0187	0.0464	0.05
198.0	0.1944	0.0205	0.047	0.0513
234.0	0.1901	0.0149	0.0475	0.0498
270.0	0.1669	0.0137	0.0395	0.0418
306.0	0.1729	0.013	0.0399	0.042
342.0	0.1547	0.0147	0.0442	0.0466

CLAS Physics Database