Measurement E213M480

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:	2.4 — 3.0 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	0.545	0.0396	0.085	0.1235
54.0	0.4993	0.0293	0.0683	0.0973
90.0	0.4402	0.0239	0.0583	0.063
126.0	0.3885	0.0212	0.0511	0.0553
162.0	0.4575	0.0225	0.0587	0.0629
198.0	0.4581	0.0229	0.0586	0.0629
234.0	0.3785	0.0208	0.0504	0.0545
270.0	0.4434	0.0307	0.0588	0.0663
306.0	0.5052	0.0307	0.0689	0.0987
342.0	0.5549	0.0379	0.0863	0.1232

CLAS Physics Database