CLAS Physics Database

Measurement E216M414

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 3.5 — 4.2 GeV2
W: 1.55 — 1.6 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.367459 0.0392797
27.0 0.450817 0.0438975
45.0 0.479308 0.0284363
63.0 0.575307 0.0534076
81.0 0.914096 0.308642
99.0 0.632961 0.0247182
117.0 0.754221 0.029311
135.0 0.820853 0.0512173
153.0 0.799937 0.0785418
171.0 0.827743 0.0646744