CLAS Physics Database

Measurement E216M394

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: 1.45 — 1.5 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.833123 0.0974365
27.0 0.690226 0.0673408
45.0 0.662032 0.0698313
63.0 0.585722 0.0315187
81.0 0.509045 0.0299663
99.0 0.471181 0.0299627
117.0 0.58923 0.0661154
135.0 0.547343 0.0357969
153.0 0.643828 0.0411882
171.0 0.701911 0.0581295