Atmospheric neutrino observations and flavor changing interactions

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RECERCAT Home > Universitat de Barcelona > Física Quàntica i Astrofísica > Articles publicats en revistes (Física Quàntica i Astrofísica) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/12848

dc.contributor	Universitat de Barcelona
dc.contributor.author	González García, Ma. Concepción
dc.contributor.author	Guzzo, M. M.
dc.contributor.author	Krastev, P. I.
dc.contributor.author	Nunokawa, H.
dc.contributor.author	Peres, O. L. G.
dc.contributor.author	Pleitez, V.
dc.contributor.author	Valle, José Wagner Furtado
dc.contributor.author	Zukanovich Funchal, R.
dc.date	2010-06-11T11:04:00Z
dc.date	2010-06-11T11:04:00Z
dc.date	1999
dc.identifier.citation	0031-9007
dc.identifier.citation	551537
dc.identifier.uri	http://hdl.handle.net/2445/12848
dc.format	4 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	American Physical Society
dc.relation	Reproducció digital del document proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevLett.82.3202
dc.relation	Physical Review Letters, 1999, vol. 82, núm. 16, p. 3202-3205
dc.relation	http://dx.doi.org/10.1103/PhysRevLett.82.3202
dc.rights	(c) American Physical Society, 1999
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Partícules (Física nuclear)
dc.subject	Reaccions nuclears
dc.subject	Particles (Nuclear physics)
dc.subject	Nuclear reactions
dc.title	Atmospheric neutrino observations and flavor changing interactions
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	Flavor changing (FC) neutrino-matter interactions can account for the zenith-angle-dependent deficit of atmospheric neutrinos observed in the SuperKamiokande experiment, without directly invoking either neutrino mass or mixing. We find that FC nm-matter interactions provide a good fit to the observed zenith angle distributions, comparable in quality to the neutrino oscillation hypothesis. The required FC interactions arise naturally in many attractive extensions of the standard model.

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