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- J R Cudell, V Ezhela, K Kang, S Lugovsky, N Tkachenko
- 1999

Using the largest data set available, we determine the best values that the data at t = 0 (total cross sections and real parts of the hadronic amplitudes) give for the intercepts and couplings of the soft pomeron and of the ρ/ω and a/f trajectories. We show that these data cannot discriminate between a simple-pole fit and asymptotic log 2 s and log s fits,… (More)

- Simone Callegari, John David Weissmann, +4 authors Christoph P. E. Zollikofer
- Advances in Complex Systems
- 2013

- J R Cudell, V V Ezhela, K Kang, S B Lugovsky, N P Tkachenko
- 1998

We present a preliminary report on the determination of the intercepts and couplings of the soft pomeron and of the ρ/ω and f /a trajectories from the largest data set available for all total cross sections and real parts of the hadronic amplitudes. 8 Factorization is reasonably satisfied by the pomeron couplings, which allows us to make predictions on γγ… (More)

We report on fits of a large class of analytic amplitude models for forward scattering against the comprehensive data for all available reactions. To differentiate the goodness of the fits of many possible parameterizations to a large sample of data, we developed and used a set of quantitative indicators measuring statistical quality of the fits over and… (More)

- W P Petersen, S Callegari, G R Lake, N Tkachenko, J D Weissmann, Ch P E Zollikofer
- PloS one
- 2017

We describe a general Godunov-type splitting for numerical simulations of the Fisher-Kolmogorov-Petrovski-Piskunov growth and diffusion equation on a world map with Neumann boundary conditions. The procedure is semi-implicit, hence quite stable. Our principal application for this solver is modeling human population dispersal over geographical maps with… (More)

- V. V. Ezhela, J. R. Cudell, +13 authors O. V. Zenin
- 2002

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