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MBsums - a Mathematica package for the representation of Mellin-Barnes integrals by multiple sums
Michal Ochman, Tord Riemann
Feynman integrals may be represented by the Mathematica packages AMBRE and MB as multiple Mellin-Barnes integrals. With the Mathematica package MBsums these Mellin-Barnes integrals…
Non-planar Feynman integrals, Mellin-Barnes representations, multiple sums
Johannes Blümlein, Ievgen Dubovyk, Janusz Gluza +4
The construction of Mellin-Barnes (MB) representations for non-planar Feynman diagrams and the summation of multiple series derived from general MB representations are discussed. A…
Physics Beyond Standard Model in Neutron Beta Decay
Jacek Holeczek, Michal Ochman, Elzbieta Stephan +1
Limits from neutron beta decay on parameters describing physics beyond the Standard Model are presented. New Physics is described by the most general Lorentz invariant effective Ha…
Neutrino production states in oscillation phenomena - are they pure or mixed?
Michal Ochman, Robert Szafron, Marek Zralek
General quantum mechanical states of neutrinos produced by mechanisms outside the Standard Model are discussed. The neutrino state is described by the Maki-Nakagawa-Sakata-Pontecor…