Results 21 to 30 of about 724,390 (203)
Various illustrative brief glances at the flavour-cryptoexotic tetraquark states [PDF]
EPJ Web of ConferencesConstituting the largest subset of multiquark states so far observed by experiment, tetraquark mesons carrying overall quark flavour quantum numbers identical to those of the (conventional) quark–antiquark mesons necessitate their particularly deliberate
Lucha Wolfgang
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Revista de Saúde Pública, 1998 INTRODUCCIÓN: La Fasciolosis constituye en diversas regiones una fuente importante de pérdidas económicas y cuando se descuidan las medidas de control de sus hospedadores (moluscos), junto a condiciones ecológicas favorables, pueden ocurrir casos ...
Marlene Piña Perez +4 more
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Doubly heavy spin--1/2 baryon spectrum in QCD [PDF]
, 2012 We calculate the mass and residue of the heavy spin--1/2 baryons containing two heavy b or c quarks in the framework of QCD sum rules. We use the most general form of the interpolating current in its symmetric and anti-symmetric forms with respect to the
Albuquerque +27 more
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Das Amazônias, 2023 Este artículo es un extracto/reformulación de una tesis doctoral defendida en julio de 2023 y tiene como objetivo discutir el choque lingüístico operado por mujeres y hombres esclavizados en la parte occidental de la isla Hispaniola en ...
Armstrong da Silva Santos
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Quality of Variational Trial States
, 1999 Besides perturbation theory (which clearly requires the knowledge of the exact unperturbed solution), variational techniques represent the main tool for any investigation of the eigenvalue problem of some semibounded operator H in quantum theory.
Franz F. Schöberl +15 more
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Discrete Spectra of Semirelativistic Hamiltonians [PDF]
, 2002 We review various attempts to localize the discrete spectra of semirelativistic Hamiltonians of the form H = \beta \sqrt{m^2 + p^2} + V(r) (w.l.o.g. in three spatial dimensions) as entering, for instance, in the spinless Salpeter equation.
Abramowitz M. +9 more
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Vitae, 2013 Antecedentes: El fortalecimiento de la política de productos competidores (genéricos) se puede acompañar de interrogantes sobre la calidad y, por tanto, sobre la efectividad de algunos de estos medicamentos.
Francisco Javier GUTIÉRREZ HENAO +5 more
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Displasia fibrosa ósea: reporte de caso
OncologíaIntroducción: La displasia fibrosa ósea es una enfermedad que afecta la composición normal del hueso, en cualquier parte del sistema esquelético, ya sea de forma monostótica o polióstica, y provoca masas tumorales de tejido fibroso conectivo.
Noemi Bautista Litardo +1 more
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Relativistic N-Boson Systems Bound by Oscillator Pair Potentials
, 2003 We study the lowest energy E of a relativistic system of N identical bosons bound by harmonic-oscillator pair potentials in three spatial dimensions. In natural units the system has the semirelativistic ``spinless-Salpeter'' Hamiltonian H = \sum_{i=1}^N \
Franz F. Schöberl +10 more
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, 2007 A popular three-dimensional reduction of the Bethe-Salpeter formalism for the description of bound states in quantum field theory is the Salpeter equation, derived by assuming both instantaneous interactions and free propagation of all bound-state ...
A. Weinstein +14 more
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