CLAS Physics Database

Measurement E216M387

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 3.5 — 4.2 GeV2
W: 1.4 — 1.45 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.436313 0.076603
27.0 0.375234 0.0455839
45.0 0.332703 0.0253392
63.0 0.367637 0.0312769
81.0 0.330621 0.024358
99.0 0.41983 0.0558632
117.0 0.425109 0.0343187
135.0 0.39628 0.0459449
153.0 0.505808 0.0385147
171.0 0.469175 0.0653215