CLAS Physics Database

Measurement E159M984

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: 1.7 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.759772 0.230325
27.0 1.0103 0.206097
45.0 0.967893 0.175606
63.0 1.02437 0.161085
81.0 0.92088 0.143552
99.0 0.891761 0.165331
117.0 0.819957 0.152157
135.0 0.824467 0.166597
153.0 0.874025 0.173377
171.0 0.423795 0.150195