NAGIOS: RODERIC FUNCIONANDO

Obtaining sigma ---> gamma gamma Width from Nucleon Polarizabilities

Repositori DSpace/Manakin

dc.contributor.author	Prades Hernández, Joaquim
dc.contributor.author	Bernabeu Alberola, José
dc.date.accessioned	2016-05-04T07:59:38Z
dc.date.available	2016-05-04T07:59:38Z
dc.date.issued	2009
dc.identifier.citation	Prades Hernández, Joaquim; Bernabeu Alberola, José (2009) Obtaining sigma ---> gamma gamma Width from Nucleon Polarizabilities Nuclear Physics B-Proceedings Supplements 186 279 282
dc.identifier.uri	http://hdl.handle.net/10550/53356
dc.description.abstract	We propose a new method that fixes the coupling to two photons of the recently found lightest QCD resonance, the sigma. This coupling provides crucial information for discriminating the yet unknown nature of this special state. Our method uses available data on the nucleon polarizabilities together with analyticity and unitarity. Taking into account all the uncertainties, our result is Gamma_{pole}= 1.2 +- 0.4 keV.
dc.language.iso	eng
dc.relation.ispartof	Nuclear Physics B-Proceedings Supplements, 2009, vol. 186, p. 279-282
dc.subject	Física
dc.title	Obtaining sigma ---> gamma gamma Width from Nucleon Polarizabilities
dc.type	journal article	es_ES
dc.date.updated	2016-05-04T07:59:39Z
dc.identifier.doi	10.1016/j.nuclphysbps.2008.12.062
dc.identifier.idgrec	069142
dc.rights.accessRights	open access	es_ES