Measurement E213M316

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:	1.85 — 1.875 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.9731	0.0581	0.1723	0.1818
54.0	0.9654	0.08	0.1281	0.151
90.0	0.9313	0.0464	0.1176	0.1264
126.0	1.1691	0.0631	0.141	0.1545
162.0	1.2087	0.0494	0.1355	0.1442
198.0	1.2725	0.0623	0.141	0.1542
234.0	1.1523	0.0594	0.1391	0.1513
270.0	1.1378	0.0581	0.1359	0.1478
306.0	0.8048	0.0961	0.114	0.1491
342.0	0.9245	0.0466	0.1671	0.1735

CLAS Physics Database