Measurement E213M1263

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:	1.575 — 1.6 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1238	0.0299	0.0401	0.05
54.0	0.141	0.0165	0.0402	0.0571
90.0	0.1011	0.0138	0.0294	0.0325
126.0	0.1225	0.015	0.0343	0.0374
162.0	0.1421	0.0161	0.0393	0.0555
198.0	0.1556	0.0172	0.0427	0.0607
234.0	0.1178	0.0165	0.0334	0.0372
270.0	0.1379	0.0193	0.039	0.0435
306.0	0.1134	0.029	0.0331	0.0475
342.0	0.1255	0.0206	0.0401	0.045

CLAS Physics Database