Measurement E213M965

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(π⁺)
Q²:	3.5 — 4.2 GeV²
W:	1.475 — 1.5 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.196	0.0182	0.0428	0.0608
54.0	0.1948	0.0163	0.0429	0.0459
90.0	0.2147	0.02	0.0456	0.0498
126.0	0.2667	0.0243	0.0534	0.0587
162.0	0.1597	0.1519	0.0366	0.1562
198.0	0.2953	0.0246	0.0577	0.0628
234.0	0.2829	0.0239	0.0561	0.061
270.0	0.2042	0.0164	0.0441	0.0471
306.0	0.1929	0.0166	0.0421	0.0453
342.0	0.1988	0.0209	0.0434	0.0617

CLAS Physics Database