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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2510.12136 |
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| _version_ | 1866910230628007936 |
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| author | Fields, Sarah Christ, Norman |
| author_facet | Fields, Sarah Christ, Norman |
| contents | The calculation of inclusive processes that involve the production of many particles is a challenge for lattice QCD, a Euclidean-space method that is far removed from real-time, multiparticle production. A new approach to this problem based on Nevanlinna-Pick interpolation has been proposed by Bergamaschi et al. Here we extend their method by exploring the propagation of the statistical and systematic errors that accompany a lattice QCD calculation through this interpolation process. A simplified example of a multiparticle spectral function is studied with a focus on the possible applications of these methods to the calculation of inclusive heavy-particle decays. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_12136 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Nevanlinna-Pick interpolation from uncertain data Fields, Sarah Christ, Norman High Energy Physics - Lattice The calculation of inclusive processes that involve the production of many particles is a challenge for lattice QCD, a Euclidean-space method that is far removed from real-time, multiparticle production. A new approach to this problem based on Nevanlinna-Pick interpolation has been proposed by Bergamaschi et al. Here we extend their method by exploring the propagation of the statistical and systematic errors that accompany a lattice QCD calculation through this interpolation process. A simplified example of a multiparticle spectral function is studied with a focus on the possible applications of these methods to the calculation of inclusive heavy-particle decays. |
| title | Nevanlinna-Pick interpolation from uncertain data |
| topic | High Energy Physics - Lattice |
| url | https://arxiv.org/abs/2510.12136 |