Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-09-27
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages
Scientific paper
The Finsler-relativistic metric function $F(g;R)$ and the associated Hamiltonian function $H(g;P)$, being considered together with explicit Finslerian special-relativistic kinematic transformations, give rise to a self-consistent and rigorous framework upon which corrections to Lorentz-relativistic quantities can properly be evaluated. The concomitant relations generalize their Lorentzian prototypes through the presence of a single characteristic parameter, ~$g$, so that the explicated Particle-Antiparticle Asymmetry, as well as the search for possible distinction between the pseudo-Euclidean Light Geometry and the Finsler-relativistic Neutrino Geometry, can well be traced in terms of this parameter. At any fixed rest-mass value $m$ and $g\ne0$, the dependences of energy on three-dimensional momentum prove to be of different forms, as given by the respective functions $E^{(+)}(g;m;|{\bf P}|)$ and $E^{(-)}(g;m;|{\bf P}|)$, for particles and antiparticles. This splitting of the mass-shell, as well as various entailed Finslerian approximations with respect to $g$, can naturally be proposed for experimental study in order to obtain estimations on $g$. Since neutrinos and antineutrinos are uncomposed neat particles, measuring the difference between their velocities seems to be the best way for testing implied Finslerian corrections to conventional Lorentzian quantities. Accelerators which can produce neutrinos and antineutrinos are ideal instruments to gain this aim. The known measurements led to the conclusion that the difference $<0.7\cdot 10^{-4}~(95%~CL)$, while announced future long baseline neutrino experiments probably raise the sensitivity to approach the high level of $\sim 10^{-9}$.
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