CLAS Physics Database

Measurement E159M867

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: 1.975 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.869102 0.2272
27.0 1.2112 0.220319
45.0 1.02428 0.174264
63.0 1.10146 0.185612
81.0 1.0999 0.17838
99.0 1.09747 0.192023
117.0 0.870023 0.167217
135.0 0.85467 0.165353
153.0 0.914863 0.206042
171.0 0.61341 0.198873