CLAS Physics Database

Measurement E216M296

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: 1.6 — 1.65 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 1.09031 0.0828718
27.0 1.10963 0.045297
45.0 1.10512 0.0308779
63.0 1.02769 0.0278886
81.0 1.13988 0.0312175
99.0 1.03836 0.0379275
117.0 1.13419 0.0509204
135.0 1.25179 0.278432
153.0 0.740028 0.0337774
171.0 1.00009 0.00860872