A covariant description of the interactions of axion-like particles and hadrons
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914454486122496 |
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| author | Balkin, Reuven Coren, Ta'el Soreq, Yotam Williams, Mike |
| author_facet | Balkin, Reuven Coren, Ta'el Soreq, Yotam Williams, Mike |
| contents | We present a covariant framework for analyzing the interactions and decay rates of axion-like particles (ALPs) that couple to both gluons and quarks. We identify combinations of couplings that are invariant under quark-field redefinitions, and use them to obtain physical expressions for the prominent decay rates of such ALPs, which are compared with previous calculations for scenarios where ALPs couple exclusively to quarks or to gluons. Our framework can be used to obtain ALP decay rates for arbitrary ALP couplings to gluons and quarks across a broad range of ALP masses. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_15637 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A covariant description of the interactions of axion-like particles and hadrons Balkin, Reuven Coren, Ta'el Soreq, Yotam Williams, Mike High Energy Physics - Phenomenology High Energy Physics - Experiment We present a covariant framework for analyzing the interactions and decay rates of axion-like particles (ALPs) that couple to both gluons and quarks. We identify combinations of couplings that are invariant under quark-field redefinitions, and use them to obtain physical expressions for the prominent decay rates of such ALPs, which are compared with previous calculations for scenarios where ALPs couple exclusively to quarks or to gluons. Our framework can be used to obtain ALP decay rates for arbitrary ALP couplings to gluons and quarks across a broad range of ALP masses. |
| title | A covariant description of the interactions of axion-like particles and hadrons |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2506.15637 |