CLAS Physics Database

Measurement E216M323

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: 1.75 — 1.8 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 1.65861 0.0685046
27.0 1.5524 0.0414428
45.0 1.77236 0.0379634
63.0 1.75819 0.0349022
81.0 1.89705 0.0503058
99.0 1.90957 0.0419886
117.0 1.5883 0.0446048
135.0 1.51471 0.0499714
153.0 1.11453 0.0457665
171.0 1.34832 0.0105769