CLAS Physics Database

Measurement E216M647

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π+)))
Q2: 5.0 — 6.0 GeV2
W: 1.45 — 1.5 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.343215 0.0611243
27.0 0.321262 0.0330176
45.0 0.319349 0.0230384
63.0 0.28724 0.0201362
81.0 0.197437 0.0211748
99.0 0.199916 0.0203711
117.0 0.276856 0.0939635
135.0 0.208663 0.0348837
153.0 0.245948 0.0190741
171.0 0.325418 0.00028369