CLAS Physics Database

Measurement E159M725

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: 1.575 GeV
Ebeam: 5.75 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.292762 0.131575
27.0 0.499851 0.187226
45.0 0.454737 0.118547
63.0 0.625773 0.155867
81.0 0.722783 0.204693
99.0 0.777355 0.178802
117.0 0.938996 0.192451
135.0 1.09847 0.281684
153.0 0.918388 0.199041
171.0 0.597785 0.192315