CLAS Physics Database

Measurement E216M719

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: 1.85 — 1.9 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.561685 0.0399236
27.0 0.577501 0.0237133
45.0 0.534829 0.0191481
63.0 0.49163 0.0236972
81.0 0.55736 0.0250434
99.0 0.593476 0.0271097
117.0 0.504469 0.0216111
135.0 0.38931 0.0225061
153.0 0.294104 0.034427
171.0 0.259579 0.00035048