Constraining solar electron number density via neutrino flavor data at Borexino
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866910556924936192 |
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| author | Laber-Smith, Caroline Armstrong, Eve Balantekin, A. Baha Jones, Elizabeth K. Newkirk, Lily Patwardhan, Amol V. Ranginwala, Sarah Sanchez, M. Margarette Torres, Hansen |
| author_facet | Laber-Smith, Caroline Armstrong, Eve Balantekin, A. Baha Jones, Elizabeth K. Newkirk, Lily Patwardhan, Amol V. Ranginwala, Sarah Sanchez, M. Margarette Torres, Hansen |
| contents | Understanding the physics of the deep solar interior, and the more exotic environs of core-collapse supernovae (CCSN) and binary neutron-star (NS) mergers, is of keen interest in many avenues of research. To date, this physics is based largely on simulations via forward integration. While these simulations provide valuable constraints, it could be insightful to adopt the "inverse approach" as a point of comparison. Within this paradigm, parameters of the solar interior are not output based on an assumed model, but rather are inferred based on real data. We take the specific case of solar electron number density, which historically is taken as output from the standard solar model. We show how one may arrive at an independent constraint on that density profile based on available neutrino flavor data from the Earth-based Borexino experiment. The inference technique's ability to offer a unique lens on physics can be extended to other datasets, and to analogous questions for CCSN and NS mergers, albeit with simulated data. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_06468 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Constraining solar electron number density via neutrino flavor data at Borexino Laber-Smith, Caroline Armstrong, Eve Balantekin, A. Baha Jones, Elizabeth K. Newkirk, Lily Patwardhan, Amol V. Ranginwala, Sarah Sanchez, M. Margarette Torres, Hansen Solar and Stellar Astrophysics High Energy Astrophysical Phenomena High Energy Physics - Phenomenology Understanding the physics of the deep solar interior, and the more exotic environs of core-collapse supernovae (CCSN) and binary neutron-star (NS) mergers, is of keen interest in many avenues of research. To date, this physics is based largely on simulations via forward integration. While these simulations provide valuable constraints, it could be insightful to adopt the "inverse approach" as a point of comparison. Within this paradigm, parameters of the solar interior are not output based on an assumed model, but rather are inferred based on real data. We take the specific case of solar electron number density, which historically is taken as output from the standard solar model. We show how one may arrive at an independent constraint on that density profile based on available neutrino flavor data from the Earth-based Borexino experiment. The inference technique's ability to offer a unique lens on physics can be extended to other datasets, and to analogous questions for CCSN and NS mergers, albeit with simulated data. |
| title | Constraining solar electron number density via neutrino flavor data at Borexino |
| topic | Solar and Stellar Astrophysics High Energy Astrophysical Phenomena High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2404.06468 |