CLAS Physics Database

Measurement E216M376

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: 2.05 — 2.1 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 3.01399 0.170109
27.0 2.35179 0.086266
45.0 1.64506 0.0658274
63.0 1.45915 0.0430218
81.0 1.31979 0.0381289
99.0 1.12166 0.0342371
117.0 0.974532 0.0270764
135.0 0.980823 0.0451104
153.0 1.08088 0.046829
171.0 1.56556 0.117842