CLAS Physics Database

Measurement E216M531

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: 1.5 — 1.55 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.257289 0.033462
27.0 0.402944 0.069818
45.0 0.425484 0.0526563
63.0 0.400232 0.0460175
81.0 0.528365 0.08945
99.0 0.460004 0.0289128
117.0 0.401724 0.142319
135.0 0.559576 0.0344644
153.0 0.617571 0.0419002
171.0 0.535286 0.0652152