CLAS Physics Database

Measurement E216M574

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 0.730604 0.0525795
27.0 0.703678 0.0315425
45.0 0.779541 0.0318455
63.0 0.898349 0.035402
81.0 0.880298 0.0427352
99.0 0.771246 0.0313908
117.0 0.685284 0.0270429
135.0 0.662282 0.0322707
153.0 0.692774 0.0409885
171.0 0.739237 0.0663074