Measurement E213M1324

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:	1.75 — 1.775 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2065	0.0184	0.0434	0.0471
54.0	0.2382	0.0217	0.0353	0.0414
90.0	0.2336	0.0269	0.0363	0.0452
126.0	0.2427	0.0221	0.0388	0.0446
162.0	0.3138	0.0251	0.0438	0.0505
198.0	0.3019	0.0298	0.0438	0.0529
234.0	0.2804	0.027	0.0426	0.0505
270.0	0.2319	0.0201	0.0358	0.041
306.0	0.2315	0.0216	0.035	0.0411
342.0	0.2001	0.0218	0.0423	0.0476

CLAS Physics Database