CLAS Physics Database

Measurement E159M490

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: 1.525 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.720529 0.16892
27.0 1.48842 0.270539
45.0 1.08924 0.184159
63.0 1.05002 0.157498
81.0 1.02047 0.140417
99.0 1.12171 0.165356
117.0 1.30211 0.194741
135.0 0.869636 0.216656
153.0 0.571329 0.389024
171.0 0.523733 0.471531