CLAS Physics Database

Measurement E159M805

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: 3.5 — 4.2 GeV2
W: 1.8 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.902144 0.203545
27.0 1.12447 0.222352
45.0 1.51776 0.271302
63.0 1.45054 0.228857
81.0 1.43719 0.228991
99.0 1.35223 0.211845
117.0 1.56556 0.244822
135.0 1.25341 0.375405
153.0 0.906455 0.651906
171.0 1.15499 0.878793