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Erratum to: The minimal axion minimal linear \(\sigma \) model

  • L. MerloEmail author
  • F. Pobbe
  • S. Rigolin
Open Access
Erratum

1 Erratum to: Eur. Phys. J. C  https://doi.org/10.1140/epjc/s10052-018-5892-z

In this Erratum we clarify that in contrast to the statements made in the article the bounds on the axion coupling to two W’s and to two Z’s obtained from mono-W and mono-Z searches at the LHC are the following:
$$\begin{aligned} |g_{aWW}|\lesssim 1.6\times 10^{-3}\text { GeV}^{-1},\quad |g_{aZZ}|\lesssim 8\times 10^{-4}\text { GeV}^{-1}\,. \end{aligned}$$
The corresponding limits in terms of \(f_a/c_i\) are given by:
$$\begin{aligned} \dfrac{f_a}{|c_{aWW}|}\gtrsim 0.7\text { GeV},\quad \dfrac{f_a}{|c_{aZZ}|}\gtrsim 1.4\text { GeV}\,. \end{aligned}$$
This change has interesting phenomenological effects as the scale \(f_s\simeq f_a\) can be as low as \(1\text { TeV}\): this ML\(\sigma \)M ALP can then be tested both at colliders and at flavour factories. Moreover, this model does not present any fine-tuning.

Finally, a corrected version of the article is also available on the arXiv (arXiv:1710.10500).

Copyright information

© The Author(s) 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Authors and Affiliations

  1. 1.Departamento de Física Teórica and Instituto de Física Teórica UAM/CSICUniversidad Autónoma de MadridMadridSpain
  2. 2.Dipartimento di Fisica e AstronomiaUniversità di Padova and INFNPaduaItaly

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