CLAS Physics Database

Measurement E216M558

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: 1.65 — 1.7 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.465305 0.0688561
27.0 0.514401 0.0579309
45.0 0.504941 0.0391158
63.0 0.599001 0.039791
81.0 0.680402 0.0261338
99.0 0.795746 0.0293687
117.0 0.799846 0.0347848
135.0 0.806973 0.0374471
153.0 0.732832 0.0425331
171.0 0.844132 0.0670936