CLAS Physics Database

Measurement E216M521

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: 1.45 — 1.5 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.602216 0.077414
27.0 0.478202 0.0372102
45.0 0.486459 0.0287851
63.0 0.428352 0.0492628
81.0 0.399462 0.0222167
99.0 0.364955 0.0219494
117.0 0.350217 0.0282442
135.0 0.373826 0.0326147
153.0 0.388747 0.00755225
171.0 0.54734 0.00052925