CLAS Physics Database

Measurement E159M471

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: 3.0 — 3.5 GeV2
W: 1.475 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.19493 0.307953
27.0 1.16737 0.20993
45.0 1.20763 0.202737
63.0 1.02819 0.202884
81.0 0.950316 0.161841
99.0 1.10024 0.199852
117.0 0.859521 0.155162
135.0 0.877859 0.139758
153.0 1.17584 0.264208
171.0 1.16957 0.426055