CLAS Physics Database

Measurement E216M583

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: 1.8 — 1.85 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.790444 0.0573332
27.0 0.752246 0.0387527
45.0 0.75946 0.0336782
63.0 0.839048 0.0296163
81.0 0.797389 0.0281948
99.0 0.796309 0.0447139
117.0 0.619297 0.0244897
135.0 0.601657 0.0245427
153.0 0.626731 0.0323639
171.0 0.734622 0.0635907