CLAS Physics Database

Measurement E216M396

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: 1.45 — 1.5 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.483741 0.0505109
27.0 0.578611 0.0605729
45.0 0.478665 0.0349589
63.0 0.537214 0.0505334
81.0 0.62712 0.0888316
99.0 0.556689 0.0311503
117.0 0.5881 0.0314041
135.0 0.703106 0.03263
153.0 0.784019 0.0545909
171.0 0.964808 0.0971664