CLAS Physics Database

Measurement E159M760

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: 1.675 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.977787 0.223046
27.0 1.06358 0.174039
45.0 1.33626 0.214176
63.0 1.33331 0.197505
81.0 1.34348 0.189333
99.0 1.51943 0.22581
117.0 1.27604 0.187215
135.0 1.23962 0.276881
153.0 0.830665 0.572982
171.0 0.801961 0.625666