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Measurement E159M822

Experiment:	E1-6
Year:	2001	Experiment comment: Experiment year: 2001—2002
Spokesperson:	V. Burkert
Reaction:	ep → π⁺π⁻p
Polarization:	none
Quantity:	dσ/d(−cos(θ(π⁻)))
Q²:	3.5 — 4.2 GeV²
W:	1.85 GeV
E_beam:	5.75 GeV

Measurement data
θ(π⁻), [deg]	dσ/d(−cos(θ(π⁻))), [μb/rad]	uncertainty
9.0	0.976856	0.260315
27.0	0.991828	0.172877
45.0	1.32023	0.213
63.0	1.57219	0.250021
81.0	1.2948	0.205405
99.0	1.18153	0.18825
117.0	1.10591	0.189358
135.0	1.11071	0.20173
153.0	1.0337	0.217742
171.0	0.621184	0.1757