CLAS Physics Database

Measurement E1M421

Experiment: E93-006 CLAS experiment
Year: 2003
Spokespersons: V. D. Burkert, M. Ripani
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 0.5 — 0.8 GeV2
W: 1.575 — 1.6 GeV
x: 0.279 — 0.2889
Publication:
M. Ripani, V. D. Burkert, V. I. Mokeev, M. Battaglieri, R. De Vita, E. Golovach, V. Tauti, and CLAS Collaboration Measurement of ep->e'p pi+pi- and Baryon Resonance Analysis // Phys. Rev. Let. 91, 022002 (2003)

Measurement data
θ(π) dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 17.792814 2.0086207
27.0 18.206236 1.4522214
45.0 16.030706 0.92324847
63.0 13.129882 0.80412674
81.0 10.376843 0.56851369
98.99999 8.5485802 0.62414229
117.0 8.3298645 0.52708608
135.0 11.25793 1.2156628
153.0 9.7502155 1.2521505
171.0 10.016872 1.4180752