Measurement E213M614

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:	1.95 — 1.975 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6556	0.0316	0.1039	0.1453
54.0	0.6178	0.033	0.103	0.1457
90.0	0.5921	0.0268	0.1037	0.1489
126.0	0.7841	0.0372	0.1206	0.1262
162.0	0.8451	0.0648	0.125	0.1838
198.0	0.8947	0.042	0.1296	0.185
234.0	0.8266	0.0504	0.1243	0.1341
270.0	0.6521	0.039	0.1081	0.1608
306.0	0.5884	0.0286	0.1	0.1476
342.0	0.5753	0.0417	0.0961	0.1399

CLAS Physics Database