منابع مشابه
On tetraquark meson states
It is suggested that the narrow meson state seen in the the SELEX experiment is a (cs̄ss̄) tetraquark state. Characteristics of other possible tetraquarks formed out of c and s quarks and antiquarks are considered. SELEX experiment has reported [1] a puzzling narrow meson state at a mass of 2632.6± 1.6 MeV/c which decays preferentially to D s (cs̄) + η(548) rather than to D(cd̄)+K or D(cū)+K. In th...
متن کاملTriply Heavy Baryons and Heavy Quark Spin Symmetry
J. M. Flynn, E. Hernández, and J. Nieves School of Physics and Astronomy, University of Southampton, Highfield, Southampton SO17 1BJ, UK Departamento de F́ısica Fundamental e IUFFyM, Universidad de Salamanca, E-37008 Salamanca, Spain. Instituto de F́ısica Corpuscular (IFIC), Centro Mixto CSIC-Universidad de Valencia, Institutos de Investigación de Paterna, Apartado 22085, E-46071 Valencia, Spain....
متن کاملInvestigation of light and heavy tetraquark candidates using lattice QCD
We review the status of an ongoing long-term lattice investigation of the spectrum and structure of tetraquark candidates. We focus on the light scalar meson a0(980). First steps regarding the study of a possibly existing ccc̄c̄ tetraquark are also outlined.
متن کاملAn investigation of triply heavy baryon production at hadron colliders
The triply heavy baryons have a rather diverse mass range. While some of them possess considerable production rates at existing facilities, others need to be produced at future high energy colliders. Here we study the direct fragmentation production of the Ωccc and Ωbbb baryons as the prototypes of triply heavy baryons at the hadron colliders with different √ s. We present and compare the trans...
متن کاملCLASSIFICATION OF TRIPLY-RETRACTIVE SEMIFIELDS OF ORDER q
A complete classification of the semifield spreads of order q4 that triply-retract to mixed partitions of PG(3, q2) is given.
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2017
ISSN: 2470-0010,2470-0029
DOI: 10.1103/physrevd.96.094022