Measurement E213M334

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:	1.9 — 1.925 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.8523	0.0627	0.1637	0.1753
54.0	0.9242	0.0495	0.1307	0.1397
90.0	1.0101	0.0479	0.1343	0.1426
126.0	1.1438	0.0672	0.1488	0.1633
162.0	1.1425	0.0479	0.142	0.1499
198.0	1.2496	0.0683	0.1524	0.167
234.0	1.0706	0.0648	0.142	0.1561
270.0	1.0246	0.0518	0.1336	0.1433
306.0	0.7788	0.0411	0.1146	0.1217
342.0	0.9062	0.05	0.1672	0.1746

CLAS Physics Database