CLAS Physics Database

Measurement E1M802

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: 0.8 — 1.1 GeV2
W: 1.85 — 1.875 GeV
x: 0.265 — 0.272
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 10.039579 1.376292
27.0 15.172573 6.7070603
45.0 8.0709047 0.76370066
63.0 8.0321846 1.0156888
81.0 8.080658 0.52117103
98.99999 8.1058531 0.73026466
117.0 8.2927265 0.78862137
135.0 6.1739163 0.62593633
153.0 8.0729446 0.87579483
171.0 6.5184941 0.20943001