CLAS Physics Database

Measurement E216M368

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: 2.0 — 2.05 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 2.20212 0.075575
27.0 1.92464 0.0446275
45.0 1.58622 0.0407609
63.0 1.44987 0.0334771
81.0 1.48635 0.0481855
99.0 1.47303 0.0472495
117.0 1.35573 0.0342707
135.0 1.14766 0.0435852
153.0 1.20961 0.0645956
171.0 0.924475 0.0105698