The spectrum of static-light baryons in twisted mass lattice QCD

We compute the static-light baryon spectrum with Nf = 2 flavors of sea quarks using Wilson twisted mass lattice QCD. As light valence quarks we consider quarks, which have the same mass as the sea quarks with correspondi
We compute the static-light baryon spectrum with Nf = 2 flavors of sea quarks using Wilson twisted mass lattice QCD. As light valence quarks we consider quarks, which have the same mass as the sea quarks with corresponding pion masses in the range 340MeV<∼ mPS<∼ 525MeV, as well as partially quenched quarks, which have the mass of the physical s quark. We extract masses of states with isospin I = 0,1/2,1, with strangeness S = 0,−1,−2, with angular momentum of the light degrees of freedom j = 0,1 and with parity P = +,−. We present a preliminary extrapolation in the light u/d and an interpolation in the heavy b quark mass to the physical point and compare with available experimental results.
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Metadaten
Author:Marc Wagner, Christian Wiese
URN:urn:nbn:de:hebis:30:3-274550
ISSN:1824-8039
ArXiv Id:http://arxiv.org/abs/1008.0653
Parent Title (English):Proceedings of Science
Publisher:Scuola Internazionale Superiore di Studi Avanzati
Place of publication:Trieste
Document Type:Conference Proceeding
Language:English
Year of Completion:2012
Year of first Publication:2010
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2012/12/14
Volume:2010
Issue:(Lattice 2010)130
Pagenumber:7
First Page:1
Last Page:7
HeBIS PPN:416425380
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung-Keine kommerzielle Nutzung-Weitergabe unter gleichen Bedingungen

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