CLAS Physics Database

Measurement E159M849

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: 1.925 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.33555 0.302824
27.0 1.05178 0.179196
45.0 0.980575 0.165675
63.0 1.24049 0.208376
81.0 1.25045 0.205367
99.0 1.07631 0.176078
117.0 0.92696 0.163445
135.0 0.6908 0.155229
153.0 0.930505 0.186121
171.0 0.441982 0.165874