CLAS Physics Database

Measurement E159M1003

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: 4.2 — 5.0 GeV2
W: 1.75 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.581478 0.209421
27.0 0.674851 0.198917
45.0 0.890188 0.257064
63.0 0.865 0.155212
81.0 1.01521 0.19063
99.0 0.928591 0.167462
117.0 0.837542 0.144928
135.0 0.846829 0.186971
153.0 0.589084 0.448279
171.0 0.665631 0.513578