Measurement E213M803

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:	3.0 — 3.5 GeV²
W:	1.75 — 1.775 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.4789	0.028	0.0655	0.0712
54.0	0.4475	0.0264	0.0636	0.0689
90.0	0.5259	0.0362	0.0709	0.0796
126.0	0.6292	0.0422	0.0795	0.09
162.0	0.6381	0.0325	0.0803	0.0867
198.0	0.6333	0.0396	0.0796	0.0889
234.0	0.5749	0.0399	0.0753	0.0852
270.0	0.6378	0.0496	0.0802	0.0943
306.0	0.503	0.0346	0.0681	0.0764
342.0	0.4895	0.029	0.0666	0.0726

CLAS Physics Database