CLAS Physics Database

Measurement E1M382

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: 1.475 — 1.5 GeV
x: 0.3218 — 0.3341
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 13.08613 2.2263196
27.0 11.629145 1.0888485
45.0 14.764683 1.1289657
63.0 13.863118 0.90752757
81.0 13.864903 0.69006985
98.99999 11.298478 0.46726581
117.0 11.014921 0.59765476
135.0 11.550981 0.90336764
153.0 10.832226 1.3404193
171.0 11.078012 1.3406924