CLAS Physics Database

Measurement E159M922

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: 1.525 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.127422 0.0705471
27.0 0.362547 0.143396
45.0 0.313155 0.0758494
63.0 0.390489 0.0766555
81.0 0.530899 0.106085
99.0 0.454374 0.0832651
117.0 0.583509 0.116222
135.0 0.41815 0.110376
153.0 0.298022 0.215713
171.0 0.267245 0.287232