CLAS Physics Database

Measurement E216M508

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: 1.4 — 1.45 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.0779029 0.0140108
54.0 0.0720854 0.0104251
90.0 0.0837743 0.00938617
126.0 0.0995302 0.0117334
162.0 0.104201 0.00854234
198.0 0.112525 0.00876593
234.0 0.110496 0.00925779
270.0 0.0807349 0.00768377
306.0 0.0817002 0.0252641
342.0 0.0823587 0.0112533