CLAS Physics Database

Measurement E159M491

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: 3.0 — 3.5 GeV2
W: 1.525 GeV
Ebeam: 5.75 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.336604 0.183024
27.0 0.381404 0.100821
45.0 0.652507 0.138608
63.0 0.785882 0.169435
81.0 0.849599 0.166659
99.0 1.10312 0.238546
117.0 1.50448 0.291647
135.0 1.17595 0.243595
153.0 1.36629 0.400213
171.0 1.29005 0.377722