CLAS Physics Database

Measurement E159M500

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(p)))
Q2: 3.0 — 3.5 GeV2
W: 1.55 GeV
Ebeam: 5.75 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.300647 0.141682
27.0 0.528956 0.188729
45.0 0.699915 0.199552
63.0 0.888414 0.172971
81.0 0.937718 0.192957
99.0 1.27601 0.240097
117.0 1.47755 0.287299
135.0 1.37573 0.287451
153.0 1.33144 0.318785
171.0 1.18888 0.367544