CLAS Physics Database

Measurement E216M549

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: 1.6 — 1.65 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.422232 0.0668535
27.0 0.33771 0.0372004
45.0 0.483838 0.0894365
63.0 0.518833 0.0867173
81.0 0.484081 0.0228786
99.0 0.587007 0.0344641
117.0 0.596649 0.0260174
135.0 0.586695 0.0251945
153.0 0.660358 0.0342923
171.0 0.564952 0.0579203