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arXiv · 1610.07887

Rho meson decay in presence of magnetic field

Aritra Bandyopadhyay·S. Mallik
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Abstract

We find a general expression for the one-loop self-energy function of neutral $ρ$-meson due to $π^+π^-$ intermediate state in a background magnetic field, valid for arbitrary magnitudes of the field. The pion propagator used in this expression is given by Schwinger, which depends on a proper-time parameter. Restricting to weak fields, we calculate the decay rate $Γ(ρ^0 \rightarrow π^+ +π^-)$, which changes negligibly from the vacuum value.

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Aritra Bandyopadhyay, S. Mallik. 2017-11-23. Rho meson decay in presence of magnetic field. https://doi.org/10.1140/epjc%2Fs10052-017-5357-9

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