CLAS Physics Database

Measurement E216M585

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 4.2 — 5.0 GeV2
W: 1.8 — 1.85 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.717937 0.0611531
27.0 0.62019 0.0441517
45.0 0.521668 0.0259068
63.0 0.586814 0.0335219
81.0 0.752848 0.0286085
99.0 0.924772 0.0450458
117.0 0.826499 0.0313164
135.0 0.774766 0.0291198
153.0 0.745314 0.0315424
171.0 0.897477 0.0612959