CLAS Physics Database

Measurement E216M286

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 3.0 — 3.5 GeV2
W: 1.55 — 1.6 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.32861 0.0814082
27.0 1.45918 0.0708939
45.0 1.14596 0.0436586
63.0 1.08476 0.123307
81.0 0.947247 0.063567
99.0 1.06168 0.331473
117.0 0.707173 0.0615199
135.0 0.799426 0.13143
153.0 0.718556 0.0418881
171.0 0.916067 0.09591