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      <dc:title>Charming ALPs</dc:title>
      <dc:creator>Carmona Bermúdez, Adrián</dc:creator>
      <dc:creator>Scherb, Christiane</dc:creator>
      <dc:creator>Schwaller, Pedro</dc:creator>
      <dc:subject>Phenomenological Models</dc:subject>
      <dc:description>We thank Felix Kahlhofer and Fatih Ertas for useful feedback. AC thanks Mikael Chala, Jorge Martin-Camalich, Matthias Neubert and Robert Ziegler for fruitful discussions. AC acknowledges funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 754446 and UGR Research and Knowledge Transfer Found - Athenea3i. Work in Mainz was supported by the Cluster of Excellence Precision Physics, Fundamental Interactions, and Structure of Matter (PRISMA+ EXC 2118/1) funded by the German Research Foundation (DFG) within the German Excellence Strategy (Project ID 39083149), and by grant 05H18UMCA1 of the German Federal Ministry for Education and Research (BMBF).</dc:description>
      <dc:description>Axion-like particles (ALPs) are ubiquitous in models of new physics explaining some of the most pressing puzzles of the Standard Model. However, until relatively recently, little attention has been paid to its interplay with flavour. In this work, we study in detail the phenomenology of ALPs that exclusively interact with up-type quarks at the tree-level, which arise in some well-motivated ultra-violet completions such as QCD-like dark sectors or Froggatt-Nielsen type models of flavour. Our study is performed in the low-energy effective theory to highlight the key features of these scenarios in a model independent way. We derive all the existing constraints on these models and demonstrate how upcoming experiments at fixed-target facilities and the LHC can probe regions of the parameter space which are currently not excluded by cosmological and astrophysical bounds. We also emphasize how a future measurement of the currently unavailable meson decay D -> pi + invisible could complement these upcoming searches.</dc:description>
      <dc:date>2021-10-05T11:24:55Z</dc:date>
      <dc:date>2021-10-05T11:24:55Z</dc:date>
      <dc:date>2021-08-23</dc:date>
      <dc:type>journal article</dc:type>
      <dc:identifier>Carmona, A., Scherb, C. &amp; Schwaller, P. Charming ALPs. J. High Energ. Phys. 2021, 121 (2021). [https://doi.org/10.1007/JHEP08(2021)121]</dc:identifier>
      <dc:identifier>http://hdl.handle.net/10481/70653</dc:identifier>
      <dc:identifier>10.1007/JHEP08(2021)121</dc:identifier>
      <dc:language>eng</dc:language>
      <dc:relation>info:eu-repo/grantAgreement/EC/H2020/754446</dc:relation>
      <dc:rights>http://creativecommons.org/licenses/by/3.0/es/</dc:rights>
      <dc:rights>open access</dc:rights>
      <dc:rights>Atribución 3.0 España</dc:rights>
      <dc:publisher>Springer</dc:publisher>
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