CLAS Physics Database

Measurement E216M584

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π+)))
Q2: 4.2 — 5.0 GeV2
W: 1.8 — 1.85 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.803179 0.0481119
27.0 0.792094 0.032611
45.0 0.775938 0.0230616
63.0 0.822272 0.0231966
81.0 0.869054 0.0289815
99.0 0.889277 0.0389537
117.0 0.758472 0.0324754
135.0 0.635762 0.027013
153.0 0.497981 0.0301718
171.0 0.575432 0.00143987