CLAS Physics Database

Measurement E216M403

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 3.5 — 4.2 GeV2
W: 1.5 — 1.55 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.958316 0.0835494
27.0 0.979947 0.05882
45.0 0.761153 0.0404599
63.0 0.622408 0.0475259
81.0 0.588086 0.0317645
99.0 0.513117 0.0280605
117.0 0.552034 0.0250372
135.0 0.594865 0.0369293
153.0 0.72764 0.0535935
171.0 0.79793 0.0609538