Measurement E213M523

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:	1.7 — 1.725 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.8467	0.0626	0.1776	0.1883
54.0	1.0488	0.056	0.1538	0.1637
90.0	1.0362	0.0454	0.1432	0.1502
126.0	1.0151	0.0462	0.139	0.1465
162.0	1.1873	0.0481	0.151	0.1585
198.0	1.1713	0.0502	0.1491	0.1573
234.0	1.0208	0.0412	0.1393	0.1453
270.0	1.0309	0.0596	0.1418	0.1538
306.0	0.9177	0.0431	0.1397	0.1462
342.0	0.926	0.0526	0.1863	0.1936

CLAS Physics Database