CLAS Physics Database

Measurement E216M441

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: 1.7 — 1.75 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 1.31815 0.0841708
27.0 1.11922 0.0559205
45.0 1.07721 0.0394651
63.0 1.29623 0.0721501
81.0 1.52052 0.0996425
99.0 1.51769 0.0396557
117.0 1.54639 0.0407838
135.0 1.35466 0.0364144
153.0 1.37497 0.0642092
171.0 1.30577 0.0935672