About: Bethe-Salpeter study of radially excited vector quarkonia

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We solve the Bethe-Salpeter equation for a system of a heavy quark-antiquark pair interacting with a Poincare invariant generalization of screened linear confining potential. In order to get a reliable description the Lorentz scalar confining interaction is complemented by the effective one gluon exchange. Within the presented model we reasonably reproduce all known radial excitations of the vector charmonia. We have found that J/psi is the only charmonium left below naive quark-antiquark threshold 2m(c), while the all excited states are situated above this threshold. We develop a method which is able to provide a solution of full four dimensional Bethe-Salpeter equation for the all excited states. We discuss the consequences of the use of the free propagators for calculation of excited states above the threshold. The Bethe-Salpeter string breaking scale mu similar or equal to 350 MeV appears to be relatively larger then the one defined in various potential models mu similar or equal to 150 MeV. We solve the Bethe-Salpeter equation for a system of a heavy quark-antiquark pair interacting with a Poincare invariant generalization of screened linear confining potential. In order to get a reliable description the Lorentz scalar confining interaction is complemented by the effective one gluon exchange. Within the presented model we reasonably reproduce all known radial excitations of the vector charmonia. We have found that J/psi is the only charmonium left below naive quark-antiquark threshold 2m(c), while the all excited states are situated above this threshold. We develop a method which is able to provide a solution of full four dimensional Bethe-Salpeter equation for the all excited states. We discuss the consequences of the use of the free propagators for calculation of excited states above the threshold. The Bethe-Salpeter string breaking scale mu similar or equal to 350 MeV appears to be relatively larger then the one defined in various potential models mu similar or equal to 150 MeV. (en)
Title	Bethe-Salpeter study of radially excited vector quarkonia Bethe-Salpeter study of radially excited vector quarkonia (en)
skos:prefLabel	Bethe-Salpeter study of radially excited vector quarkonia Bethe-Salpeter study of radially excited vector quarkonia (en)
skos:notation	RIV/61389005:_____/12:00388218!RIV13-AV0-61389005
http://linked.open...avai/predkladatel	Ústav jaderné fyziky AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Šauli, Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav jaderné fyziky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	124765
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/12:00388218
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	quantum chromodynamics; quarkonia; meson spectroscopy (en)
http://linked.open.../riv/klicoveSlovo	meson spectroscopy quarkonia quantum chromodynamics
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[85D313318F4E]
http://linked.open...i/riv/nazevZdroje	Physical Review D: Particles, Fields, Gravitation and Cosmology
http://linked.open...in/vavai/riv/obor	BE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	86
http://linked.open...iv/tvurceVysledku	Šauli, Vladimír
http://linked.open...ain/vavai/riv/wos	000310850000007
issn	1550-7998
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevD.86.096004
is http://linked.open...avai/riv/vysledek of	Bethe-Salpeter study of radially excited vector quarkonia

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