CLAS Physics Database

Measurement E216M331

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 3.0 — 3.5 GeV2
W: 1.8 — 1.85 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.76093 0.104501
27.0 1.80661 0.107991
45.0 1.69895 0.057389
63.0 1.76853 0.046131
81.0 1.66317 0.0623283
99.0 1.53742 0.0508945
117.0 1.35003 0.0464168
135.0 1.26918 0.0372114
153.0 1.33184 0.0547199
171.0 1.83408 0.105529