CLAS Physics Database

Measurement E216M450

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: 1.75 — 1.8 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.906853 0.0493713
27.0 1.04732 0.093556
45.0 0.921516 0.0477132
63.0 1.10332 0.0604259
81.0 1.25451 0.0334523
99.0 1.27951 0.0313493
117.0 1.2804 0.0355621
135.0 1.16991 0.0282127
153.0 1.12861 0.0367437
171.0 1.34712 0.0732794