CLAS Physics Database

Measurement E159M698

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: 1.5 GeV
Ebeam: 5.75 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.380842 0.135004
27.0 0.629244 0.176636
45.0 0.432515 0.108203
63.0 0.678016 0.144942
81.0 0.636624 0.132017
99.0 1.03591 0.222938
117.0 0.857403 0.157295
135.0 0.973486 0.200645
153.0 0.866751 0.25
171.0 0.373145 0.124485