CLAS Physics Database

Measurement E216M242

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π+)))
Q2: 2.4 — 3.0 GeV2
W: 2.0 — 2.05 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 3.03823 0.0733973
27.0 2.48569 0.045842
45.0 2.08878 0.0343391
63.0 1.87847 0.0383385
81.0 1.89992 0.0475921
99.0 1.8843 0.0323218
117.0 1.88432 0.0338504
135.0 1.71994 0.0411551
153.0 1.8778 0.0747796
171.0 1.26839 0.0138244