CLAS Physics Database

Measurement E216M305

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: 1.65 — 1.7 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 1.58402 0.0909494
27.0 1.5271 0.0496335
45.0 1.45532 0.0362227
63.0 1.46283 0.0362317
81.0 1.52474 0.0362036
99.0 1.53941 0.0365466
117.0 1.57026 0.0473543
135.0 1.26349 0.061672
153.0 0.98586 0.0400122
171.0 1.31041 0.0116025