CLAS Physics Database

Measurement E216M468

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: 1.85 — 1.9 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 1.047 0.0566152
27.0 0.951377 0.0533542
45.0 0.76158 0.0403945
63.0 0.85147 0.0347321
81.0 1.041 0.0307985
99.0 1.31692 0.0496813
117.0 1.36188 0.0433469
135.0 1.32566 0.0591841
153.0 1.47976 0.0451917
171.0 1.62091 0.0747445