CLAS Physics Database

Measurement E216M603

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 4.2 — 5.0 GeV2
W: 1.9 — 1.95 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.738906 0.0753203
27.0 0.61036 0.0407576
45.0 0.54096 0.0227564
63.0 0.495491 0.0228627
81.0 0.728331 0.0394135
99.0 0.819358 0.0242793
117.0 0.819623 0.0318662
135.0 0.902364 0.0307332
153.0 1.1088 0.0386038
171.0 1.31013 0.0703745