1 Erratum to: Eur. Phys. J. C. (2020) 80:734 https://doi.org/10.1140/epjc/s10052-020-8317-8

In the published version of this article, formulas (140) and (142) were improperly corrected.

The corrected formulas are as follows:

$$\begin{aligned}&\hbox {det}[{\bar{\Phi }}\Phi ^T(1-\epsilon {\tilde{P}}^T X{\tilde{P}} X^\dag ) ]\nonumber \\&\quad = \det [1 + \epsilon \bar{\Phi } \Phi ^T ( P^T X \tilde{P} X^ \dag + X P X^ \dag ) ]\nonumber \\&\quad =\hbox {det}[1+\epsilon \Phi ^TP^T(\Phi ^{-1})^T\Psi ^\dag {\tilde{P}}\Psi +\epsilon \Psi ^\dag P\Psi ] \nonumber \\&\quad =: \hbox {det}(1+\Omega ), \end{aligned}$$
(140)
$$\begin{aligned}&\hbox {det}(1+\Omega )=e^{\mathrm{Sp}\Omega } \hbox {det}_{2}(1+\Omega )\nonumber \\&\quad =e^{\epsilon \mathrm{Sp}(2\Psi ^\dag P\Psi -\Phi ^TP^T(\Phi ^{-1})^T\Psi ^\dag P\Psi )} \hbox {det}_{2}(1+\Omega ), \end{aligned}$$
(142)