CLAS Physics Database

Measurement E216M630

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: 2.05 — 2.1 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.515816 0.0460075
27.0 0.491372 0.0251151
45.0 0.399606 0.0145908
63.0 0.421115 0.0262984
81.0 0.517087 0.0340475
99.0 0.628041 0.0195634
117.0 0.65791 0.0451221
135.0 0.873193 0.0313583
153.0 1.41088 0.0505354
171.0 1.91456 0.0747916