CLAS Physics Database

Measurement E159M221

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(p)))
Q2: 2.0 — 2.4 GeV2
W: 1.975 GeV
Ebeam: 5.75 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 3.3295 0.723213
27.0 3.1383 0.552139
45.0 1.96549 0.411612
63.0 2.19487 0.441372
81.0 2.68308 0.452593
99.0 3.12673 0.540396
117.0 3.80007 0.622673
135.0 4.20642 0.736646
153.0 5.50746 0.957799
171.0 5.88553 1.21307