CLAS Physics Database

Measurement E1M535

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: 1.8 — 1.825 GeV
x: 0.2097 — 0.216
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 13.93209 2.8287809
27.0 14.450696 1.4433372
45.0 12.250788 1.2761917
63.0 9.2127352 0.46498844
81.0 9.5078955 0.5243122
98.99999 9.9182854 0.43800777
117.0 9.9460621 0.55222058
135.0 9.0962734 0.49927258
153.0 11.046932 1.0121959
171.0 8.4564905 0.0