CLAS Physics Database

Measurement E159M804

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: 1.8 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.894626 0.254025
27.0 1.04607 0.194153
45.0 1.34686 0.233477
63.0 1.42616 0.220687
81.0 1.46788 0.222988
99.0 1.18231 0.193645
117.0 1.16798 0.192562
135.0 1.14795 0.212885
153.0 1.0776 0.202899
171.0 0.748607 0.195812