CLAS Physics Database

Measurement E216M224

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π+)))
Q2: 2.4 — 3.0 GeV2
W: 1.9 — 1.95 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 2.90546 0.0919933
27.0 2.55549 0.0538555
45.0 2.24554 0.0372306
63.0 2.18467 0.0459983
81.0 2.31026 0.0555437
99.0 2.42828 0.036651
117.0 2.24704 0.0378752
135.0 2.01874 0.0472428
153.0 1.88601 0.0872385
171.0 1.44363 0.0127475