CLAS Physics Database

Measurement E216M377

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 2.25955 0.091193
27.0 2.0278 0.0480717
45.0 1.65326 0.0351281
63.0 1.38989 0.0337049
81.0 1.33352 0.033881
99.0 1.42462 0.038138
117.0 1.24676 0.0341207
135.0 1.04617 0.0369432
153.0 1.0596 0.0836255
171.0 0.916978 0.172949