Measurement E213M361

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:	2.0 — 2.4 GeV²
W:	1.975 — 2.0 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7206	0.032	0.1551	0.2172
54.0	0.8216	0.0387	0.1246	0.1304
90.0	0.8568	0.0492	0.1279	0.1371
126.0	0.9861	0.0475	0.1393	0.1472
162.0	1.2498	0.0591	0.1572	0.2237
198.0	1.1628	0.0555	0.1509	0.2167
234.0	1.0144	0.0528	0.1416	0.1511
270.0	0.9151	0.0403	0.1308	0.1369
306.0	0.805	0.0405	0.1217	0.1282
342.0	0.8188	0.0429	0.1623	0.2299

CLAS Physics Database