CLAS Physics Database

Measurement E159M939

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: 4.2 — 5.0 GeV2
W: 1.575 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.39272 0.132347
27.0 0.4178 0.0896186
45.0 0.361569 0.069432
63.0 0.313973 0.0597025
81.0 0.417261 0.0993367
99.0 0.399494 0.101504
117.0 0.315552 0.0751082
135.0 0.33428 0.087333
153.0 0.3368 0.0950081
171.0 0.0991872 0.0607062