CLAS Physics Database

Measurement E216M890

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π+)))
Q2: 7.0 — 8.0 GeV2
W: 1.4 — 1.45 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.20648 0.085187
27.0 0.0807465 0.0249534
45.0 0.0668362 0.0152389
63.0 0.0597509 0.0128219
81.0 0.0620936 0.0140688
99.0 0.0720663 0.0148043
117.0 0.0484139 0.0264869
135.0 0.0329725 0.00593266
153.0 0.0350483 0.00011787
171.0 0.0450953 3.798e-05