CLAS Physics Database

Measurement E159M777

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: 1.725 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.21473 0.258411
27.0 1.31574 0.222185
45.0 1.80451 0.276673
63.0 1.45728 0.213181
81.0 1.57303 0.245539
99.0 1.40514 0.211622
117.0 1.57788 0.245623
135.0 1.79469 0.276941
153.0 1.83673 0.31262
171.0 1.44491 0.295316