| HAL : in2p3-00025243, version 1 |
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| International Europhysics Conference on High Energy Physics HEP2005, Lisboa : Portugal |
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| Intermediate mass dimuon production in indium-indium collisions at the CERN SPS |
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| NA60 Collaboration(s) |
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| (2005) |
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| We present preliminary results on the production of intermediate mass dimuons in 158 A-GeV In-In collisions at the CERN SPS. NA38 and NA50 observed a strong excess in this region in S-U and Pb-Pb interactions with respect to the dimuon production rate expected from p-A data. Thanks to the use of a pixel vertex tracker, NA60 can separate the prompt dimuons from the pairs resulting from open charm decays and show that the excess dimuons are of prompt origin. |
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| 1 : | LPC-CLERMONT - Laboratoire de Physique Corpusculaire de Clermont-Ferrand |
| 2 : | LLR - Laboratoire Leprince-Ringuet |
| 3 : | IPNL - Institut de Physique Nucléaire de Lyon |
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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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| in2p3-00025243, version 1 | |
| http://hal.in2p3.fr/in2p3-00025243 | |
| oai:hal.in2p3.fr:in2p3-00025243 | |
| Contributeur : Sylvie Florès | |
| Soumis le : Mercredi 14 Mars 2007, 13:32:27 | |
| Dernière modification le : Mercredi 14 Mars 2007, 13:42:19 | |