CLAS Physics Database

Measurement E159M833

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: 3.5 — 4.2 GeV2
W: 1.875 GeV
Ebeam: 5.75 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 1.20712 0.381724
27.0 1.11446 0.271091
45.0 0.890896 0.205419
63.0 0.634596 0.133904
81.0 1.04303 0.218405
99.0 1.26421 0.208404
117.0 1.43746 0.315102
135.0 1.32381 0.275417
153.0 1.08998 0.271816
171.0 1.48351 0.411994