CLAS Physics Database

Measurement E159M651

Experiment: E1-6
Year: 2001

Experiment comment:

Experiment year: 2001—2002
Spokesperson: V. Burkert
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 3.0 — 3.5 GeV2
W: 1.975 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.6456 0.318266
27.0 1.34196 0.218093
45.0 1.5723 0.240825
63.0 1.54728 0.243985
81.0 1.60138 0.256999
99.0 1.5487 0.25075
117.0 1.28017 0.210673
135.0 1.41306 0.240409
153.0 1.26023 0.237444
171.0 1.03892 0.275938