Millicharged Particle Production in Pulsars via the Schwinger Effect
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866914142051368960 |
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| author | Kouvaris, Chris Shoemaker, Ian M. |
| author_facet | Kouvaris, Chris Shoemaker, Ian M. |
| contents | Low mass particles with small electric charges can be produced abundantly in large electric fields via the Schwinger effect. We study the production rate of such particles inside the polar gap of nearby pulsars. After production they are accelerated above MeV energies by the local electric fields. These pulsar-produced millicharged particles can be detected at Earth in low-threshold dark matter direct detection experiments. We find that the current XENONnT data constrains millicharged particles produced in the Crab pulsar to have charges less than $O(10^{-6})$ for sub-eV masses. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2511_04763 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Millicharged Particle Production in Pulsars via the Schwinger Effect Kouvaris, Chris Shoemaker, Ian M. High Energy Physics - Phenomenology High Energy Astrophysical Phenomena High Energy Physics - Experiment Low mass particles with small electric charges can be produced abundantly in large electric fields via the Schwinger effect. We study the production rate of such particles inside the polar gap of nearby pulsars. After production they are accelerated above MeV energies by the local electric fields. These pulsar-produced millicharged particles can be detected at Earth in low-threshold dark matter direct detection experiments. We find that the current XENONnT data constrains millicharged particles produced in the Crab pulsar to have charges less than $O(10^{-6})$ for sub-eV masses. |
| title | Millicharged Particle Production in Pulsars via the Schwinger Effect |
| topic | High Energy Physics - Phenomenology High Energy Astrophysical Phenomena High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2511.04763 |