CLAS Physics Database

Measurement E216M619

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: 2.0 — 2.05 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.29199 0.0771843
27.0 1.02096 0.0421883
45.0 0.834035 0.0366499
63.0 0.736899 0.0256506
81.0 0.709737 0.0320093
99.0 0.610131 0.0194717
117.0 0.516434 0.018761
135.0 0.515997 0.028076
153.0 0.510959 0.0489603
171.0 0.694029 0.0488233