CLAS Physics Database

Measurement E216M971

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: 1.85 — 1.9 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.240522 0.0448148
27.0 0.310175 0.0329633
45.0 0.28401 0.0250309
63.0 0.304867 0.0264605
81.0 0.307279 0.024947
99.0 0.274897 0.0217501
117.0 0.209383 0.0209492
135.0 0.15482 0.0245795
153.0 0.0942568 0.0110573
171.0 0.115697 0.00010979