CLAS Physics Database

Measurement E159M724

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: 1.575 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.395011 0.124719
27.0 0.83127 0.184342
45.0 0.719603 0.118509
63.0 0.765491 0.130918
81.0 0.662553 0.103206
99.0 0.722275 0.113226
117.0 0.842819 0.134351
135.0 0.938263 0.207972
153.0 0.504237 0.339961
171.0 0.502903 0.454282