CLAS Physics Database

Measurement E216M304

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: 1.65 — 1.7 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 2.05352 0.122608
27.0 2.16559 0.148626
45.0 1.96013 0.103083
63.0 1.68652 0.115349
81.0 1.36134 0.0428365
99.0 1.28866 0.062087
117.0 1.21298 0.0460545
135.0 1.19769 0.0768627
153.0 1.49354 0.115142
171.0 1.60649 0.108793