CLAS Physics Database

Measurement E216M215

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: 1.85 — 1.9 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 2.61236 0.0788073
27.0 2.37658 0.0501135
45.0 2.38861 0.0492332
63.0 2.24573 0.0402725
81.0 2.52815 0.0427069
99.0 2.4509 0.0376347
117.0 2.34643 0.0590788
135.0 2.1476 0.143721
153.0 1.60878 0.0756345
171.0 1.41068 0.0116288