CLAS Physics Database

Measurement E216M484

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 3.5 — 4.2 GeV2
W: 1.95 — 2.0 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.88917 0.0939327
27.0 1.52424 0.0610032
45.0 1.41174 0.0403454
63.0 1.21212 0.0400925
81.0 1.04303 0.0341338
99.0 0.949811 0.0229072
117.0 0.808902 0.0206655
135.0 0.815214 0.0284722
153.0 0.843718 0.032266
171.0 1.32489 0.0824826