Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-04-08
Phys.Lett. B433 (1998) 424-428
Physics
High Energy Physics
High Energy Physics - Phenomenology
12 pages latex file
Scientific paper
10.1016/S0370-2693(98)00735-7
We point out that a background torsion field will produce an effective potential to the $K$ and $\bar{K}$ with opposite signs. This allows us to constrain the background torsion field from the $K_L$ and $K_S$ mass difference, CPT violating $K^\circ$ and $\bar{K^\circ}$ mass difference and the CP violating quantities $\epsilon$ and $\eta_{+-}$. The most stringent bound on the cosmological background torsion $< T^0 > < 10^{-25}$ GeV comes from the direct measurement of the CPT violation.
Mohanty Subhendra
Sarkar Utpal
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