CLAS Physics Database

Measurement E1M23

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: 1.1 — 1.5 GeV2
W: 1.425 — 1.45 GeV
x: 0.5154 — 0.5306
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 1.9499958 0.49298733
27.0 3.2018485 1.8865844
45.0 2.8496542 0.58894384
63.0 3.0888724 0.94566
81.0 3.4161847 1.0548723
98.99999 4.8180232 2.4165537
117.0 3.1644044 0.68788111
135.0 3.2217274 1.1365331
153.0 2.0979698 0.79742682
171.0 3.7926495 0.0