Measurement E213M433

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:	1.45 — 1.475 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3192	0.0263	0.0856	0.0896
54.0	0.3316	0.0264	0.0649	0.07
90.0	0.3136	0.0316	0.0564	0.0646
126.0	0.4389	0.0235	0.0715	0.0752
162.0	0.4517	0.0231	0.0715	0.0752
198.0	0.4266	0.0277	0.0683	0.0737
234.0	0.4525	0.0237	0.0738	0.0775
270.0	0.3642	0.0212	0.0628	0.0663
306.0	0.3832	0.0274	0.0723	0.0773
342.0	0.2616	0.0256	0.0797	0.0837

CLAS Physics Database