CLAS Physics Database

Measurement E216M998

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: 2.0 — 2.05 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.322826 0.0430207
27.0 0.27442 0.0402982
45.0 0.290595 0.0192079
63.0 0.299316 0.0221552
81.0 0.275508 0.0203849
99.0 0.204679 0.0282279
117.0 0.199279 0.0346321
135.0 0.159847 0.0191745
153.0 0.105826 0.0147614
171.0 0.122775 0.00012946