CLAS Physics Database

Measurement E216M544

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/dψ(π)
Q2: 4.2 — 5.0 GeV2
W: 1.6 — 1.65 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.136182 0.0187573
54.0 0.160366 0.0104316
90.0 0.167255 0.00951216
126.0 0.183172 0.00886047
162.0 0.184726 0.00844802
198.0 0.192113 0.00831539
234.0 0.186695 0.00811094
270.0 0.183856 0.0196548
306.0 0.168319 0.0174638
342.0 0.141442 0.0128477