CLAS Physics Database

Measurement E159M742

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: 1.625 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.759217 0.187377
27.0 0.795841 0.148878
45.0 0.672136 0.124608
63.0 0.993728 0.156776
81.0 1.06043 0.160467
99.0 0.922973 0.150449
117.0 0.874172 0.135493
135.0 0.999516 0.213058
153.0 0.721651 0.606011
171.0 0.524646 0.468269