CLAS Physics Database

Measurement E216M628

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 4.2 — 5.0 GeV2
W: 2.05 — 2.1 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.40635 0.0799468
27.0 1.09614 0.0448013
45.0 0.824367 0.0433831
63.0 0.727702 0.0248046
81.0 0.649593 0.0266188
99.0 0.537768 0.0194118
117.0 0.55126 0.0263462
135.0 0.482708 0.0223374
153.0 0.53145 0.0275235
171.0 0.654484 0.0462608