CLAS Physics Database

Measurement E1M548

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: 1.825 — 1.85 GeV
x: 0.2036 — 0.2097
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 14.734972 1.5846447
27.0 13.292048 0.85867155
45.0 10.060809 0.46907756
63.0 11.229883 0.58504117
81.0 10.499336 0.69778299
98.99999 9.5745859 0.76228142
117.0 9.2176275 0.90661275
135.0 9.2895641 1.0236278
153.0 10.375244 1.2200644
171.0 11.268137 1.2131798