Measurement E213M1442

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:	2.075 — 2.1 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1278	0.0125	0.0362	0.0383
54.0	0.133	0.0092	0.0413	0.0423
90.0	0.1861	0.0136	0.0452	0.0472
126.0	0.1979	0.0141	0.0445	0.0467
162.0	0.3044	0.0248	0.051	0.0567
198.0	0.2733	0.021	0.0479	0.0523
234.0	0.2408	0.019	0.0483	0.0519
270.0	0.1823	0.016	0.0451	0.0478
306.0	0.1413	0.0166	0.0415	0.0447
342.0	0.1462	0.0182	0.0378	0.0419

CLAS Physics Database