CLAS Physics Database

Measurement E159M813

Experiment: E1-6
Year: 2001

Experiment comment:

Experiment year: 2001—2002
Spokesperson: V. Burkert
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 3.5 — 4.2 GeV2
W: 1.825 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.904234 0.235764
27.0 0.947665 0.178128
45.0 1.18757 0.193851
63.0 1.16536 0.18549
81.0 1.31946 0.213422
99.0 1.03397 0.168758
117.0 0.953077 0.170858
135.0 1.06449 0.187002
153.0 1.08951 0.218517
171.0 0.5374 0.152464