| Thème(s) : |
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Physique/Physique Nucléaire Expérimentale
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| Titre : |
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Direct evidence of α-particle condensation for the Hoyle state |
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| Auteur : |
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Ad.R. Raduta1, B. Borderie1, E. Geraci, N. Le Neindre1, 2, P. Napolitani1, M.F. Rivet1 |
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| Laboratoire : |
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| Résumé : |
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The fragmentation of quasi-projectiles from the nuclear reaction 40Ca+12C at 25 MeV/nucleon was used to produce excited states candidates to α-particle condensation. Complete kinematic characterization of individual decay events, made possible by the CHIMERA high-granularity 4π charged particle multi-detector, reveals that 7.5±4.0 % of the Hoyle state particle decays correspond to direct decays in three equal-energy α-particles. Moreover, events with increased kinetic energy dispersion in the 12C center of mass, which amount to 9.5±4.0 %, point toward the occurrence of a second competing molecular configuration, of a linear α-chain. |
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| Collaboration/Projet : |
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ISOSPIN |
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| Type de publication : |
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Communications avec actes |
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Date de publication
ou d'écriture : |
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2012 |
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| Date de la présentation : |
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2011 |
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Nom du périodique
Titre de l'ouvrage : |
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EPJ Web of Conferences |
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| Audience : |
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internationale |
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| Volume : |
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31 |
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| Page/Article : |
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00034 |
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| Nom du colloque : |
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International Workshop on multifragmentation and Related Topics - IWM 2011 |
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| Ville du colloque : |
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Caen |
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| Pays du colloque : |
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France |
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| Date du colloque (début) : |
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02/11/2011 |
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| Date du colloque (fin) : |
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05/11/2011 |
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