CLAS Physics Database

Measurement E159M669

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: 3.5 — 4.2 GeV2
W: 1.425 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.367794 0.120983
27.0 0.403932 0.0860538
45.0 0.332585 0.0661998
63.0 0.343844 0.0651636
81.0 0.333525 0.0779218
99.0 0.283958 0.0541598
117.0 0.285493 0.0562462
135.0 0.259165 0.0613591
153.0 0.226285 0.0542033
171.0 0.22942 0.0912246