CLAS Physics Database

Measurement E1M801

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) dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 8.0434132 1.1091338
27.0 9.7501087 0.77949584
45.0 8.0940418 0.67397571
63.0 7.1731486 0.49509162
81.0 7.3424935 0.44076177
98.99999 6.5428224 0.46469438
117.0 6.220665 0.62010103
135.0 6.7548881 0.70227391
153.0 8.2192745 0.93186861
171.0 12.570955 2.1534951