CLAS Physics Database

Measurement E159M409

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: 2.4 — 3.0 GeV2
W: 1.9 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 3.2527 0.542926
27.0 3.39737 0.527742
45.0 2.71857 0.423769
63.0 2.40839 0.344909
81.0 2.5287 0.364624
99.0 2.85011 0.397466
117.0 2.93162 0.424115
135.0 2.28992 0.529474
153.0 1.95855 1.22889
171.0 2.03421 1.34153