CLAS Physics Database

Measurement E216M592

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: 1.85 — 1.9 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.901352 0.0627132
27.0 0.83074 0.0398448
45.0 0.821246 0.0335702
63.0 0.851303 0.028069
81.0 0.862677 0.0364747
99.0 0.675094 0.0214024
117.0 0.642698 0.0259806
135.0 0.539262 0.0271076
153.0 0.598993 0.0252669
171.0 0.673533 0.0560019