CLAS Physics Database

Measurement E159M823

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: 1.85 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 1.23981 0.279232
27.0 1.48068 0.296553
45.0 1.24122 0.242095
63.0 1.20336 0.19174
81.0 1.45711 0.240165
99.0 1.35815 0.211863
117.0 1.36966 0.222893
135.0 1.4237 0.362959
153.0 0.98697 0.695816
171.0 1.08766 0.846904