CLAS Physics Database

Measurement E1M778

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: 1.8 — 1.825 GeV
x: 0.2794 — 0.287
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 9.6608582 2.1709948
27.0 11.27334 1.1373017
45.0 10.11016 0.94535542
63.0 8.7017136 0.71241117
81.0 7.3970909 0.47060248
98.99999 8.0608521 0.45749506
117.0 8.5191936 0.81126106
135.0 6.8986878 0.5106858
153.0 8.5194941 1.0989078
171.0 6.8682923 0.0