Measurement E213M1326

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:	1.75 — 1.775 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2692	0.0289	0.0513	0.0588
54.0	0.2253	0.0175	0.0361	0.0401
90.0	0.2077	0.0157	0.0339	0.0374
126.0	0.2798	0.027	0.0413	0.0494
162.0	0.2388	0.0209	0.0372	0.0426
198.0	0.2628	0.02	0.0393	0.0441
234.0	0.2074	0.0211	0.0341	0.0401
270.0	0.2304	0.0203	0.0362	0.0415
306.0	0.2387	0.0202	0.0373	0.0424
342.0	0.256	0.0212	0.0493	0.0537

CLAS Physics Database