CLAS Physics Database

Measurement E216M214

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: 1.85 — 1.9 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 3.06093 0.134625
27.0 2.72743 0.0680134
45.0 2.47108 0.0582516
63.0 2.45058 0.0651267
81.0 2.22634 0.0463125
99.0 1.89747 0.0411856
117.0 1.66843 0.0442752
135.0 1.65482 0.0471116
153.0 1.78378 0.0824764
171.0 2.74038 0.1659