Measurement E213M1414

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:	4.2 — 5.0 GeV²
W:	2.0 — 2.025 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1213	0.012	0.0338	0.0358
54.0	0.1532	0.0176	0.0303	0.035
90.0	0.1684	0.0169	0.0349	0.0387
126.0	0.2348	0.0214	0.0439	0.0488
162.0	0.3239	0.0249	0.0493	0.0553
198.0	0.271	0.0212	0.0444	0.0492
234.0	0.2575	0.0215	0.0455	0.0503
270.0	0.1948	0.0157	0.0367	0.04
306.0	0.1318	0.0149	0.0283	0.032
342.0	0.1383	0.0187	0.0344	0.0392

CLAS Physics Database