CLAS Physics Database

Measurement E216M980

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: 1.9 — 1.95 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.312763 0.0478545
27.0 0.301721 0.0278075
45.0 0.289446 0.0421092
63.0 0.271664 0.0194252
81.0 0.300163 0.0256695
99.0 0.301643 0.0286987
117.0 0.253771 0.0298547
135.0 0.169171 0.0316791
153.0 0.0882916 0.0131186
171.0 0.123277 0.00011985