Measurement E213M1380

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:	1.9 — 1.925 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2275	0.0224	0.0492	0.0541
54.0	0.1853	0.0159	0.0364	0.0398
90.0	0.2141	0.0213	0.0376	0.0432
126.0	0.2003	0.0156	0.0389	0.0419
162.0	0.2654	0.0239	0.0436	0.0498
198.0	0.2421	0.0184	0.0421	0.046
234.0	0.2348	0.0227	0.0419	0.0476
270.0	0.213	0.0165	0.0377	0.0411
306.0	0.2164	0.0154	0.0385	0.0415
342.0	0.2415	0.0215	0.0495	0.054

CLAS Physics Database