CLAS Physics Database

Measurement E216M169

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: 1.6 — 1.65 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 2.7875 0.136604
27.0 2.33241 0.0776547
45.0 2.00216 0.069744
63.0 1.6862 0.0584528
81.0 1.40598 0.0544362
99.0 1.21275 0.042015
117.0 1.19177 0.0406638
135.0 1.31379 0.0622992
153.0 1.3283 0.0935287
171.0 1.72396 0.136379