CLAS Physics Database

Measurement E159M238

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: 2.4 — 3.0 GeV2
W: 1.425 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.371123 0.126469
27.0 0.914429 0.151528
45.0 0.90936 0.128262
63.0 0.894268 0.12363
81.0 1.0715 0.138943
99.0 1.10368 0.157905
117.0 0.74888 0.108303
135.0 0.692488 0.224532
153.0 0.703297 0.418206
171.0 0.610232 0.494278