CLAS Physics Database

Measurement E1M230

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: 1.1 — 1.5 GeV2
W: 1.875 — 1.9 GeV
x: 0.3226 — 0.3303
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 7.4403534 2.234494
27.0 5.4725857 1.6863939
45.0 5.6732502 1.0148854
63.0 4.6552682 0.93764472
81.0 5.147562 0.78806007
98.99999 4.511456 0.71097142
117.0 4.8995047 0.9075914
135.0 4.6829853 0.89478904
153.0 5.3139319 1.2563097
171.0 4.6317801 2.3405328