CLAS Physics Database

Measurement E216M520

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 4.2 — 5.0 GeV2
W: 1.45 — 1.5 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.701979 0.111656
27.0 0.484752 0.0455676
45.0 0.45391 0.0432642
63.0 0.460553 0.0580537
81.0 0.340259 0.0288916
99.0 0.366193 0.0269767
117.0 0.434215 0.0407103
135.0 0.386169 0.0246404
153.0 0.451196 0.0508676
171.0 0.449785 0.0512589