CLAS Physics Database

Measurement E159M697

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: 1.5 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.270328 0.12156
27.0 0.699972 0.146836
45.0 0.942685 0.183613
63.0 0.867918 0.140635
81.0 0.713272 0.107637
99.0 0.791422 0.114279
117.0 0.979687 0.148207
135.0 0.762192 0.249378
153.0 0.633709 0.40915
171.0 0.626157 0.544938