CLAS Physics Database

Measurement E216M522

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: 1.45 — 1.5 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.392094 0.0915701
27.0 0.367722 0.0424315
45.0 0.306061 0.0301809
63.0 0.360452 0.0325604
81.0 0.394907 0.028841
99.0 0.398659 0.0241144
117.0 0.430936 0.0267077
135.0 0.511413 0.0294815
153.0 0.53274 0.0921591
171.0 0.669007 0.0989682