| HAL : in2p3-00436737, version 1 |
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| 2009 Europhysics Conference on High Energy Physics (EPS HEP 2009), Krakow : Pologne (2009) |
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| Searches for excited fermions at HERA |
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| Z. Zhang1 |
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| H1 Collaboration(s) |
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| (2009) |
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| Searches for excited electrons, excited neutrinos and excited quarks are perfomed using the full $e^{\pm}p$ data sample collected by the H1 experiment at HERA, corresponding to a total luminosity of 475 pb$^{-1}$. The electroweak decays of excited fermions into standard model fernions and $\gamma$, $Z$ or $W$ bosons are considered. No evidence for excited fermion production is found. Mass dependent exclusion limits on excited fermion production cross sections and on the ratio $f/{\Lambda}$ of the coupling to the compositeness scale are derived within gauge mediated models. |
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| 1 : | LAL - Laboratoire de l'Accélérateur Linéaire |
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| Thème(s) | : | Physique/Physique des Hautes Energies - Expérience |
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| Liste des fichiers attachés à ce document : | |||||
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| in2p3-00436737, version 1 | |
| http://hal.in2p3.fr/in2p3-00436737 | |
| oai:hal.in2p3.fr:in2p3-00436737 | |
| Contributeur : Françoise Marechal | |
| Soumis le : Jeudi 28 Janvier 2010, 17:29:58 | |
| Dernière modification le : Jeudi 28 Janvier 2010, 17:32:25 | |