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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/2503.09118 |
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| _version_ | 1866909807626158080 |
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| author | Kardapoltsev, L. V. Melnikova, N. A. |
| author_facet | Kardapoltsev, L. V. Melnikova, N. A. |
| contents | We present the NGAMMA Monte Carlo event generator for QED processes of $e^+e^-$ annihilation into a multiphoton final state, $e^+e^-\to Nγ(N \ge 2)$. These processes are an important source of background in the study of $e^+e^-\to hadrons$ processes with a multiphoton final state, especially for experiments at low energy $e^+e^-$ colliders like SND, CMD-3, KLOE and for the BESIII experiment. For generation, NGAMMA exploits the exact tree-level amplitude. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_09118 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | NGAMMA: A Monte Carlo generator for multiphoton production in $e^+e^-$ annihilation Kardapoltsev, L. V. Melnikova, N. A. High Energy Physics - Phenomenology We present the NGAMMA Monte Carlo event generator for QED processes of $e^+e^-$ annihilation into a multiphoton final state, $e^+e^-\to Nγ(N \ge 2)$. These processes are an important source of background in the study of $e^+e^-\to hadrons$ processes with a multiphoton final state, especially for experiments at low energy $e^+e^-$ colliders like SND, CMD-3, KLOE and for the BESIII experiment. For generation, NGAMMA exploits the exact tree-level amplitude. |
| title | NGAMMA: A Monte Carlo generator for multiphoton production in $e^+e^-$ annihilation |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2503.09118 |