Constraining light thermal inelastic dark matter with NA64
A vector portal between the Standard Model and the dark sector is a predictive and compelling framework for thermal dark matter. Through co-annihilations, models of inelastic dark matter (iDM) and inelastic Dirac dark matter (i2DM) can reproduce the observed relic density in the MeV to GeV mass rang...
| Autores: | , , , , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2023 |
| País: | España |
| Institución: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositorio: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/339240 |
| Acceso en línea: | http://hdl.handle.net/10261/339240 |
| Access Level: | acceso abierto |
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Constraining light thermal inelastic dark matter with NA64Mongillo, MartinaAbdullahi, AsliBanto Oberhauser, BenjaminCrivelli, PaoloHostert, MatheusMassaro, DanieleMolina Bueno, LauraPascoli, SilviaA vector portal between the Standard Model and the dark sector is a predictive and compelling framework for thermal dark matter. Through co-annihilations, models of inelastic dark matter (iDM) and inelastic Dirac dark matter (i2DM) can reproduce the observed relic density in the MeV to GeV mass range without violating cosmological limits. In these scenarios, the vector mediator behaves like a semi-visible particle, evading traditional bounds on visible or invisible resonances, and uncovering new parameter space to explain the muon (g- 2) anomaly. By means of a more inclusive signal definition at the NA64 experiment, we place new constraints on iDM and i2DM using a missing energy technique. With a recast-based analysis, we contextualize the NA64 exclusion limits in parameter space and estimate the reach of the newly collected and expected future NA64 data. Our results motivate the development of an optimized search program for semi-visible particles, in which fixed-target experiments like NA64 provide a powerful probe in the sub-GeV mass range.Peer reviewedSpringer NatureMinisterio de Ciencia e Innovación (España)Generalitat ValencianaAgencia Estatal de Investigación (España)Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2023202320232023info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/339240reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-123955NA-I00info:eu-repo/grantAgreement/AEI//PID2021-123955NA-100http://dx.doi.org/10.1140/epjc/s10052-023-11536-5Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3392402026-05-22T06:33:51Z |
| dc.title.none.fl_str_mv |
Constraining light thermal inelastic dark matter with NA64 |
| title |
Constraining light thermal inelastic dark matter with NA64 |
| spellingShingle |
Constraining light thermal inelastic dark matter with NA64 Mongillo, Martina |
| title_short |
Constraining light thermal inelastic dark matter with NA64 |
| title_full |
Constraining light thermal inelastic dark matter with NA64 |
| title_fullStr |
Constraining light thermal inelastic dark matter with NA64 |
| title_full_unstemmed |
Constraining light thermal inelastic dark matter with NA64 |
| title_sort |
Constraining light thermal inelastic dark matter with NA64 |
| dc.creator.none.fl_str_mv |
Mongillo, Martina Abdullahi, Asli Banto Oberhauser, Benjamin Crivelli, Paolo Hostert, Matheus Massaro, Daniele Molina Bueno, Laura Pascoli, Silvia |
| author |
Mongillo, Martina |
| author_facet |
Mongillo, Martina Abdullahi, Asli Banto Oberhauser, Benjamin Crivelli, Paolo Hostert, Matheus Massaro, Daniele Molina Bueno, Laura Pascoli, Silvia |
| author_role |
author |
| author2 |
Abdullahi, Asli Banto Oberhauser, Benjamin Crivelli, Paolo Hostert, Matheus Massaro, Daniele Molina Bueno, Laura Pascoli, Silvia |
| author2_role |
author author author author author author author |
| dc.contributor.none.fl_str_mv |
Ministerio de Ciencia e Innovación (España) Generalitat Valenciana Agencia Estatal de Investigación (España) Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72] |
| description |
A vector portal between the Standard Model and the dark sector is a predictive and compelling framework for thermal dark matter. Through co-annihilations, models of inelastic dark matter (iDM) and inelastic Dirac dark matter (i2DM) can reproduce the observed relic density in the MeV to GeV mass range without violating cosmological limits. In these scenarios, the vector mediator behaves like a semi-visible particle, evading traditional bounds on visible or invisible resonances, and uncovering new parameter space to explain the muon (g- 2) anomaly. By means of a more inclusive signal definition at the NA64 experiment, we place new constraints on iDM and i2DM using a missing energy technique. With a recast-based analysis, we contextualize the NA64 exclusion limits in parameter space and estimate the reach of the newly collected and expected future NA64 data. Our results motivate the development of an optimized search program for semi-visible particles, in which fixed-target experiments like NA64 provide a powerful probe in the sub-GeV mass range. |
| publishDate |
2023 |
| dc.date.none.fl_str_mv |
2023 2023 2023 2023 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article http://purl.org/coar/resource_type/c_6501 Publisher's version info:eu-repo/semantics/publishedVersion |
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article |
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publishedVersion |
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http://hdl.handle.net/10261/339240 |
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http://hdl.handle.net/10261/339240 |
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Inglés |
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Inglés |
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#PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-123955NA-I00 info:eu-repo/grantAgreement/AEI//PID2021-123955NA-100 http://dx.doi.org/10.1140/epjc/s10052-023-11536-5 Sí |
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info:eu-repo/semantics/openAccess |
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openAccess |
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Springer Nature |
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Springer Nature |
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reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC instname:Consejo Superior de Investigaciones Científicas (CSIC) |
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