CLAS Physics Database

Measurement E159M139

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: 2.0 — 2.4 GeV2
W: 1.75 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 2.93372 0.597958
27.0 4.51686 0.777009
45.0 4.35792 0.720414
63.0 4.27877 0.642398
81.0 4.07524 0.582139
99.0 4.41104 0.63135
117.0 3.88104 0.565676
135.0 3.63809 0.989247
153.0 1.66688 1.0199
171.0 1.63397 1.18641