CLAS Physics Database

Measurement E216M269

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: 1.45 — 1.5 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 1.13415 0.162387
27.0 1.07334 0.0613503
45.0 0.969412 0.0430582
63.0 0.759375 0.0273428
81.0 0.700884 0.0301126
99.0 0.806142 0.0867245
117.0 0.744425 0.0275121
135.0 0.674975 0.0515763
153.0 0.768707 0.00662142
171.0 1.12859 0.00496156