CLAS Physics Database

Measurement E216M223

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 2.4 — 3.0 GeV2
W: 1.9 — 1.95 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 3.08488 0.116675
27.0 2.72714 0.0688541
45.0 2.38758 0.0630875
63.0 2.27965 0.0515852
81.0 2.3005 0.0800449
99.0 1.9054 0.041057
117.0 1.81397 0.0727592
135.0 1.6276 0.0334035
153.0 1.88888 0.0624709
171.0 2.68982 0.128695