CLAS Physics Database

Measurement E159M570

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: 1.75 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.760596 0.192502
27.0 1.68918 0.304428
45.0 2.10786 0.332461
63.0 1.95268 0.281087
81.0 1.79625 0.258032
99.0 1.94321 0.289068
117.0 1.84763 0.292815
135.0 1.65736 0.258102
153.0 1.46966 0.265907
171.0 1.42062 0.274369