CLAS Physics Database

Measurement E216M179

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: 1.65 — 1.7 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 2.27984 0.0883055
27.0 2.23582 0.0520964
45.0 2.21334 0.0430108
63.0 2.16229 0.068544
81.0 2.25787 0.0419686
99.0 2.20408 0.041792
117.0 2.11033 0.0669603
135.0 1.85216 0.0819831
153.0 1.44775 0.0626495
171.0 1.86639 0.0161299