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Готові списки джерел за темами / Fermion masse

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Добірка наукової літератури з теми "Fermion masse"

Автор: Grafiati

Опубліковано: 11 березня 2023

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Статті в журналах з теми "Fermion masse"

1

GUENDELMAN, E. I., and A. B. KAGANOVICH. "NEW PHYSICS AT LOW ENERGIES AND DARK MATTER-DARK ENERGY TRANSMUTATION." International Journal of Modern Physics A 20, no. 06 (2005): 1140–47. http://dx.doi.org/10.1142/s0217751x05024018.

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Анотація:

A field theory is proposed where the regular fermionic matter and the dark fermionic matter can be different states of the same "primordial" fermion fields. In regime of the fermion densities typical for normal particle physics, the primordial fermions split into three families identified with regular fermions. When fermion energy density becomes comparable with dark energy density, the theory allows transition to new type of states. The possibility of such Cosmo-Low Energy Physics (CLEP) states is demonstrated by means of solutions of the field theory equations describing FRW universe filled

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2

MACHADO, A. A., and F. PISANO. "CHARGED RIGHT-HANDED CURRENTS IN THE LEPTOQUARK–BILEPTON FLAVOR DYNAMICS." Modern Physics Letters A 14, no. 32 (1999): 2223–28. http://dx.doi.org/10.1142/s0217732399002303.

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Анотація:

Flavor dynamics chiral models of leptoquark fermions and bilepton gauge bosons with masses up to a few TeV, although coincident with physics of the Fermi scale standard model, address the fermion mass hierarchy and explain the flavor question. The presence of charged right-handed weak currents coupled to bileptons, which we point out here, is another feature of these chiral semisimple gauge theories.

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3

ABE, HIROYUKI, HIRONORI MIGUCHI, and TAIZO MUTA. "DYNAMICAL FERMION MASSES UNDER THE INFLUENCE OF KALUZA–KLEIN FERMIONS IN EXTRA DIMENSIONS." Modern Physics Letters A 15, no. 06 (2000): 445–54. http://dx.doi.org/10.1142/s0217732300000438.

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Анотація:

The dynamical fermion mass generation in the four-dimensional brane is discussed in a model with five-dimensional Kaluza–Klein fermions in interaction with four-dimensional fermions. It is found that the dynamical fermion masses are generated beyond the critical radius of the compactified extra dimensional space and may be made small compared with the masses of the Kaluza–Klein modes.

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4

EBERT, D., V. CH ZHUKOVSKY, and A. V. TYUKOV. "DYNAMICAL FERMION MASSES UNDER THE INFLUENCE OF KALUZA–KLEIN FERMIONS AND A BULK ABELIAN GAUGE FIELD." Modern Physics Letters A 25, no. 35 (2010): 2933–45. http://dx.doi.org/10.1142/s0217732310034249.

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Анотація:

The dynamical fermion mass generation on the 3-brane in the 5D spacetime is discussed in a model with bulk fermions in interaction with fermions on the branes assuming the presence of a constant Abelian gauge field A5 in the bulk. We calculate the effective potential as a function of the fermion masses and the gauge field A5. The masses can be found from the stationarity condition for the effective potential (the gap equation). We formulate the equation for the mass spectrum of the 4D-fermions. The phases with finite and vanishing fermion masses are studied and the dependence of the masses on

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5

SESHAVATHARAM, U. V. S., and S. LAKSHMINARAYANA. "SUPER SYMMETRY IN STRONG AND WEAK INTERACTIONS." International Journal of Modern Physics E 19, no. 02 (2010): 263–80. http://dx.doi.org/10.1142/s021830131001473x.

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Анотація:

For strong interaction two new fermion mass units 105.32 MeV and 11450 MeV are assumed. Existence of "Integral charge quark bosons", "Integral charge effective quark fermions", "Integral charge (effective) quark fermi-gluons" and "Integral charge quark boso-gluons" are assumed and their masses are estimated. It is noticed that, characteristic nuclear charged fermion is Xs · 105.32 = 938.8 MeV and corresponding charged boson is Xs(105.32/x) = 415.0 where Xs = 8.914 is the inverse of the strong coupling constant and x = 2.26234 is a new number by using which "super symmetry" can be seen in "stro

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6

PILAFTSIS, APOSTOLOS. "ANOMALOUS FERMION MASS GENERATION AT THREE LOOPS." Modern Physics Letters A 28, no. 22 (2013): 1350083. http://dx.doi.org/10.1142/s0217732313500831.

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Анотація:

We present a novel mechanism for generating fermion masses through global anomalies at the three-loop level. In a gauge theory, global anomalies are triggered by the possible existence of scalar or pseudoscalar states and heavy fermions, whose masses may not necessarily result from spontaneous symmetry breaking. The implications of this mass-generating mechanism for model building are discussed, including the possibility of creating low-scale fermion masses by quantum gravity effects.

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7

GUENDELMAN, E. I., and A. B. KAGANOVICH. "GEOMETRICAL ORIGIN OF FERMION FAMILIES IN SU(2) × U(1) GAUGE THEORY." Modern Physics Letters A 17, no. 19 (2002): 1227–37. http://dx.doi.org/10.1142/s0217732302007351.

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Анотація:

A spontaneously broken SU (2) × U (1) gauge theory with just one "primordial" generation of fermions is formulated in the context of generally covariant theory which contains two measures of integration in the action: the standard [Formula: see text] and a new Φd4x, where Φ is a density built out of degrees of freedom independent of the metric. Such type of models are known to produce a satisfactory answer to the cosmological constant problem. Global scale invariance is implemented. After SSB of scale invariance and gauge symmetry it is found that with the conditions appropriate to laboratory

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8

MIZRACHI, LEAH. "FERMIONIC CONDENSATES IN SUPERSYMMETRIC COMPOSITE MODELS." Modern Physics Letters A 01, no. 05 (1986): 355–63. http://dx.doi.org/10.1142/s0217732386000440.

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Анотація:

Fermionic condensates are calculated in a background of instantons in a supersymmetric composite model based upon SU(2) hypercolor symmetry. Due to the effective 4-fermi interaction of the composites, the quasi-Goldstone fermion acquires a mass which is much smaller than ΛHC provided the gauge symmetry breaking scale, υ, is large enough for the approximation to be valid. (Typically υ≃eΛHC.) This provides a dynamical mechanism for generating the masses of quarks and leptons in this class of models.

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9

SARIRIAN, KAMRAN. "ON FERMION ZERO MODES IN INSTANTON V - A MODELS WITH SPONTANEOUS SYMMETRY BREAKING." Modern Physics Letters A 09, no. 08 (1994): 715–23. http://dx.doi.org/10.1142/s0217732394000526.

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Анотація:

The left- and right-handed fermion zero modes are examined. Their behavior under the variation of the size of the instanton, ρ I , and the size of the Higgs core, ρ H , for a range of Yukawa couplings corresponding to the fermion masses in the electroweak theory are studied. It is shown that the characteristic radii of the zero modes, in particular those of the left-handed fermions, are locked to the instanton size, and are not affected by the variation of ρ H , except for fermion masses much larger than those in the standard electroweak theory.

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10

KIKUKAWA, YOSHIO. "CHIRAL SYMMETRY AND OPERATOR MIXING IN LATTICE SU(N) THIRRING MODEL WITH SHIFT SYMMETRY." Modern Physics Letters A 07, no. 10 (1992): 871–80. http://dx.doi.org/10.1142/s0217732392003517.

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Анотація:

We formulate lattice SU (N) Thirring model in which two Wilson fermions describe the respective left- and right-handed components of the Dirac fermion in the continuum model. Only chirally projected half components of the Wilson fermions have four-fermion interaction. As to their non-interacting components, there exist shift symmetries discussed by Golterman and Petcher. Axial U (1) Ward-Takahashi identity is examined by weak coupling expansion. It is shown in all orders of the weak coupling expansion that the chiral limit is achieved by simply setting fermion bare mass equal to zero, and that

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