CLAS Physics Database

Measurement E216M575

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π+)))
Q2: 4.2 — 5.0 GeV2
W: 1.75 — 1.8 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.855103 0.0604823
27.0 0.751387 0.0298915
45.0 0.766073 0.0274769
63.0 0.822152 0.0231806
81.0 0.87344 0.0257014
99.0 0.956272 0.0287346
117.0 0.811803 0.0276572
135.0 0.523928 0.132965
153.0 0.483091 0.0271676
171.0 0.652075 0.00184311