CLAS Physics Database

Measurement E1M491

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: 1.7 — 1.725 GeV
x: 0.2368 — 0.2444
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+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 15.055673 1.5722324
27.0 21.629009 3.3462029
45.0 14.491385 1.5140302
63.0 14.268929 0.65339929
81.0 14.19399 0.59242189
98.99999 12.859016 0.42174184
117.0 13.758697 0.47913113
135.0 14.639783 0.78196377
153.0 15.654233 1.455052
171.0 12.412574 1.2646359