CLAS Physics Database

Measurement E159M860

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(p)))
Q2: 3.5 — 4.2 GeV2
W: 1.95 GeV
Ebeam: 5.75 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 1.04731 0.330218
27.0 1.19322 0.292098
45.0 0.909159 0.260394
63.0 0.778487 0.191262
81.0 0.740415 0.157724
99.0 1.17682 0.222078
117.0 1.18609 0.217588
135.0 1.21793 0.238085
153.0 1.33813 0.314626
171.0 1.58548 0.383007