New States with Heavy Quarks

We discuss several highly accurate theoretical predictions for masses of baryons containing the b quark which have been recently confirmed by experimental data. Proper treatment of the color-magnetic hyperfine interaction in QCD is crucial for obtaining these results. Several predictions are given f...

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Main Authors: Karliner Marek, Lipkin Harry J., Törnqvist Nils A.
Format: Article
Language:English
Published: EDP Sciences 2014-04-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/20147000024
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author Karliner Marek
Lipkin Harry J.
Törnqvist Nils A.
author_facet Karliner Marek
Lipkin Harry J.
Törnqvist Nils A.
author_sort Karliner Marek
collection DOAJ
description We discuss several highly accurate theoretical predictions for masses of baryons containing the b quark which have been recently confirmed by experimental data. Proper treatment of the color-magnetic hyperfine interaction in QCD is crucial for obtaining these results. Several predictions are given for additional properties of heavy baryons. We also discuss the two charged exotic resonances Zb with quantum numbers of a (bb¯ $\bar b$ud¯ $\bar d$) tetraquark, very recently reported by Belle in the channel [ϒ(nS )π+, n = 1, 2, 3]. Among possible implications are deeply bound I= 0 counterparts of the Zb-s and existence of a Σb+Σb− dibaryon, a beauteron.
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spelling doaj.art-73a5998a89854b52bc8ce3cbb571ada72022-12-21T23:22:33ZengEDP SciencesEPJ Web of Conferences2100-014X2014-04-01700002410.1051/epjconf/20147000024epjconf_icfp2012_00024New States with Heavy QuarksKarliner Marek0Lipkin Harry J.Törnqvist Nils A.1Raymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv UniversityDepartment of Physical Sciences, University of HelsinkiWe discuss several highly accurate theoretical predictions for masses of baryons containing the b quark which have been recently confirmed by experimental data. Proper treatment of the color-magnetic hyperfine interaction in QCD is crucial for obtaining these results. Several predictions are given for additional properties of heavy baryons. We also discuss the two charged exotic resonances Zb with quantum numbers of a (bb¯ $\bar b$ud¯ $\bar d$) tetraquark, very recently reported by Belle in the channel [ϒ(nS )π+, n = 1, 2, 3]. Among possible implications are deeply bound I= 0 counterparts of the Zb-s and existence of a Σb+Σb− dibaryon, a beauteron.http://dx.doi.org/10.1051/epjconf/20147000024
spellingShingle Karliner Marek
Lipkin Harry J.
Törnqvist Nils A.
New States with Heavy Quarks
EPJ Web of Conferences
title New States with Heavy Quarks
title_full New States with Heavy Quarks
title_fullStr New States with Heavy Quarks
title_full_unstemmed New States with Heavy Quarks
title_short New States with Heavy Quarks
title_sort new states with heavy quarks
url http://dx.doi.org/10.1051/epjconf/20147000024
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AT tornqvistnilsa newstateswithheavyquarks