Measurement E213M496

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:	2.4 — 3.0 GeV²
W:	1.625 — 1.65 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3833	0.0268	0.094	0.1349
54.0	0.5252	0.0329	0.0853	0.0914
90.0	0.6134	0.0365	0.0892	0.0964
126.0	0.6092	0.0283	0.0866	0.0911
162.0	0.6125	0.0255	0.0832	0.087
198.0	0.62	0.0272	0.0843	0.0886
234.0	0.5836	0.035	0.0839	0.0909
270.0	0.5404	0.0326	0.0806	0.087
306.0	0.5321	0.0333	0.0861	0.0923
342.0	0.4388	0.0418	0.0994	0.1423

CLAS Physics Database