Analysis of dilepton angular distributions in a parity breaking medium

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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/2445/119159

dc.contributor	Universitat de Barcelona
dc.contributor.author	Andrianov, Alexander A.
dc.contributor.author	Andrianov, V. A.
dc.contributor.author	Espriu, D. (Domènec)
dc.contributor.author	Planells Noguera, Xumeu
dc.date	2018-01-19T11:44:54Z
dc.date	2018-01-19T11:44:54Z
dc.date	2014-08
dc.date	2018-01-19T11:44:54Z
dc.identifier.citation	1550-7998
dc.identifier.citation	645995
dc.identifier.uri	http://hdl.handle.net/2445/119159
dc.format	1 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	American Physical Society
dc.relation	Reproducció del document publicat a: https://doi.org/10.1103/PhysRevD.90.034024
dc.relation	Physical Review D, 2014, vol. 90, num. 3, p. 034024-1 -034024-7
dc.relation	https://doi.org/10.1103/PhysRevD.90.034024
dc.rights	(c) American Physical Society, 2014
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Cosmologia
dc.subject	Hadrons
dc.subject	Cosmology
dc.subject	Hadrons
dc.title	Analysis of dilepton angular distributions in a parity breaking medium
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	We investigate how local parity breaking due to large topological fluctuations may affect hadron physics. A modified dispersion relation is derived for the lightest vector mesons ρ and ω. They exhibit a mass splitting depending on their polarization. We present a detailed analysis of the angular distribution associated to the lepton pairs created from these mesons searching for polarization dependencies. We propose two angular variables that carry information related to the parity breaking effect. Possible signatures for experimental detection of local parity breaking that could potentially be seen by the PHENIX and STAR collaborations are discussed.

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