CLAS Physics Database

Measurement E159M498

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: 3.0 — 3.5 GeV2
W: 1.55 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.79119 0.450884
27.0 1.56514 0.279648
45.0 1.60144 0.242484
63.0 1.06821 0.175363
81.0 0.987834 0.163328
99.0 1.04259 0.174194
117.0 0.6657 0.119816
135.0 0.953363 0.251133
153.0 0.787039 0.141317
171.0 0.59357 0.141312