Reach and complementarity of $μ\to e$ searches
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arXiv
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| Format: | Preprint |
| Published: |
2022
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| _version_ | 1866913130932600832 |
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| author | Davidson, Sacha Echenard, Bertrand |
| author_facet | Davidson, Sacha Echenard, Bertrand |
| contents | In Effective Field Theory, we describe $μ\leftrightarrow e$ flavour changing transitions using an operator basis motivated by experimental observables. In a six-dimensional subspace probed by $μ\to e γ$, $μ\to 3e$ and $μ\to e$ conversion on nuclei, we derive constraints on the New Physics scale from past and future experiments, illustrating the complementarity of the processes in an intuitive way. We also recall that a precise determination of the scalar quark currents in the nucleon will be required to distinguish scalar $μ\to e$ interactions on u-quarks from those on d-quarks. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2204_00564 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Reach and complementarity of $μ\to e$ searches Davidson, Sacha Echenard, Bertrand High Energy Physics - Phenomenology In Effective Field Theory, we describe $μ\leftrightarrow e$ flavour changing transitions using an operator basis motivated by experimental observables. In a six-dimensional subspace probed by $μ\to e γ$, $μ\to 3e$ and $μ\to e$ conversion on nuclei, we derive constraints on the New Physics scale from past and future experiments, illustrating the complementarity of the processes in an intuitive way. We also recall that a precise determination of the scalar quark currents in the nucleon will be required to distinguish scalar $μ\to e$ interactions on u-quarks from those on d-quarks. |
| title | Reach and complementarity of $μ\to e$ searches |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2204.00564 |