CLAS Physics Database

Measurement E216M432

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 3.5 — 4.2 GeV2
W: 1.65 — 1.7 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.77895 0.0608354
27.0 0.778884 0.0462549
45.0 0.918551 0.0598536
63.0 0.97617 0.0510228
81.0 1.11887 0.0514349
99.0 1.14131 0.0300159
117.0 1.33924 0.126824
135.0 1.29821 0.0832848
153.0 1.14974 0.0417956
171.0 1.2121 0.072145