CLAS Physics Database

Measurement E159M904

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: 4.2 — 5.0 GeV2
W: 1.475 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.168909 0.0962932
27.0 0.338416 0.105714
45.0 0.286082 0.100767
63.0 0.451572 0.113057
81.0 0.484041 0.0996112
99.0 0.366279 0.0704047
117.0 0.333537 0.0718293
135.0 0.487468 0.10672
153.0 0.247647 0.185396
171.0 0.235242 0.275442