Z-boson production with two unobserved, back-to-back, hard photons at LEP
The double-radiative process e<sup>+</sup>e<sup>−</sup> → Zγγ → q ̄qγγ where the two hard photons escape detection at low polar angles into opposite directions, is studied in 0.62 fb<sup>−1</sup> of data collected with the L3 detector at LEP at centre-of-mass ener...
| Autores: | , |
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| Formato: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2005 |
| País: | Argentina |
| Recursos: | Universidad Nacional de La Plata |
| Repositorio: | SEDICI (UNLP) |
| Idioma: | inglés |
| OAI Identifier: | oai:sedici.unlp.edu.ar:10915/79395 |
| Acesso em linha: | http://sedici.unlp.edu.ar/handle/10915/79395 |
| Access Level: | acceso abierto |
| Palavra-chave: | Ciencias Exactas Física z boson Fotones L3 detector |
| Resumo: | The double-radiative process e<sup>+</sup>e<sup>−</sup> → Zγγ → q ̄qγγ where the two hard photons escape detection at low polar angles into opposite directions, is studied in 0.62 fb<sup>−1</sup> of data collected with the L3 detector at LEP at centre-of-mass energies between 188.6 and 209.2 GeV. The cross sections are measured and found to be consistent with the Standard Model expectations. |
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