The polarimeter vector for $τ\rightarrow 3 πν_τ$ decays
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arXiv
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| Format: | Preprint |
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2023
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| _version_ | 1866929255601930240 |
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| author | Cherepanov, Vladimir Veelken, Christian |
| author_facet | Cherepanov, Vladimir Veelken, Christian |
| contents | The polarimeter vector of the $τ$ represents an optimal observable for the measurement of the $τ$ spin. In this paper we present an algorithm for the computation of the $τ$ polarimeter vector for the decay channels $τ^{-} \rightarrow π^{-}π^{+}π^{-}ν_τ$ and $τ^{-} \rightarrow π^{-}π^{0}π^{0}ν_τ$. The algorithm is based on a model for the hadronic current in these decay channels, which was fitted to data recorded by the CLEO experiment. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2311_10490 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | The polarimeter vector for $τ\rightarrow 3 πν_τ$ decays Cherepanov, Vladimir Veelken, Christian High Energy Physics - Experiment High Energy Physics - Phenomenology The polarimeter vector of the $τ$ represents an optimal observable for the measurement of the $τ$ spin. In this paper we present an algorithm for the computation of the $τ$ polarimeter vector for the decay channels $τ^{-} \rightarrow π^{-}π^{+}π^{-}ν_τ$ and $τ^{-} \rightarrow π^{-}π^{0}π^{0}ν_τ$. The algorithm is based on a model for the hadronic current in these decay channels, which was fitted to data recorded by the CLEO experiment. |
| title | The polarimeter vector for $τ\rightarrow 3 πν_τ$ decays |
| topic | High Energy Physics - Experiment High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2311.10490 |