CLAS Physics Database

Measurement E159M642

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: 1.95 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.34635 0.279221
27.0 1.60591 0.267061
45.0 1.3237 0.206737
63.0 1.64395 0.253778
81.0 1.55919 0.244199
99.0 1.39477 0.224757
117.0 1.4995 0.253836
135.0 1.24244 0.225348
153.0 1.22389 0.22966
171.0 1.19594 0.269899