CLAS Physics Database

Measurement E159M687

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: 1.475 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.529753 0.139531
27.0 0.733702 0.139535
45.0 0.61832 0.0975792
63.0 0.598093 0.098877
81.0 0.429692 0.0713788
99.0 0.519096 0.0920408
117.0 0.557808 0.097527
135.0 0.674323 0.141398
153.0 0.431644 0.0884237
171.0 0.322611 0.110918