Mostrando 2,501 - 2,520 Resultados de 3,563 Para Buscar '"Fermión"', tiempo de consulta: 0.35s Limitar resultados
  1. 2501
    “…The magnetic dipole, the electric quadrupole and the Coulomb quadrupole amplitudes for the transition $\gamma N\to \Delta$ are evaluated both in quenched lattice QCD at $\beta=6.0$ and using two dynamical Wilson fermions simulated at $\beta=5.6$. The dipole transition form factor is accurately determined at several values of momentum transfer. …”
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    Enlace del recurso
  2. 2502
    “…We study supercurrent supermultiplet in the theory as an alternative way to prove its uniqueness and to construct fermionic interaction in the model. The phenomenological consequences of the theory and experimantal constraints on the coupling constant are also discussed.…”
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    Enlace del recurso
  3. 2503
    por Chen, Xiaomei, Zhu, Rui
    Publicado 2019
    “…In this work, pumped currents of the adiabatically-driven double-barrier structure based on the pseudospin-1 Dirac–Weyl fermions are studied. As a result of the three-band dispersion and hence the unique properties of pseudospin-1 Dirac–Weyl quasiparticles, sharp current-direction reversal is found at certain parameter settings especially at the Dirac point of the band structure, where apexes of the two cones touch at the flat band. …”
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    Enlace del recurso
    Online Artículo Texto
  4. 2504
    “…Since the original version, many new features have been added: support for two-component fermions, spin-3/2 and spin-2 fields, superspace notation and calculations, automatic mass diagonalization, completely general FeynArts output, a new universal FeynRules output interface, a new Whizard interface, automatic 1 to 2 decay width calculation, improved speed and efficiency, new guidelines for validation and a new web-based validation package. …”
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    Enlace del recurso
  5. 2505
    “…We compare constraints from the electroweak fit on the Higgs couplings with direct LHC measurements, and examine present and future prospects of these constraints using a model with modified couplings of the Higgs boson to fermions and bosons.…”
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    Enlace del recurso
  6. 2506
    “…We show that these constraints remove from the spectrum the complex scalar sgoldstino, the real scalar inflaton partner (i.e. the "sinflaton"), and the fermionic inflatino. The corresponding supergravity model with de Sitter vacua describes a graviton, a massive gravitino, and one real scalar inflaton, with both the goldstino and inflatino being absent in unitary gauge. …”
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    Enlace del recurso
  7. 2507
    por Mader, Wolfgang F
    Publicado 2008
    “…In addition, the prospects for measuring the properties of a Higgs boson like its mass and width, its CP eigenvalues and its couplings to fermions and gauge bosons are discussed.…”
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  8. 2508
    por Mader, W F
    Publicado 2008
    “…In addition, the prospects for measuring the properties of a Higgs boson like its mass and width, its CP eigenvalues and its couplings to fermions and gauge bosons are discussed.…”
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  9. 2509
    por Abel, Steven, Goodsell, Mark
    Publicado 2011
    “…This provides a complete picture of Dirac gauginos that includes the necessary extra adjoint fermions (generated as magnetic quarks of the ISS theory) and supersymmetry breaking (via the ISS mechanism). …”
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    Enlace del recurso
  10. 2510
    por Kumar, Arun, Ranjan, Kirti
    Publicado 2012
    “…Limits are set on the production of the Higgs boson in the context of the Standard Model and in the presence of a sequential fourth family of fermions with high masses.…”
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  11. 2511
    “…Off-shell analysis is possible in the dual single-tensor formulation of the hypermultiplets. Massless fermions can naturally arise from pseudo-real representations of the gauge group that allow a reformulation of the problem of chirality in N=2 theories. …”
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    Enlace del recurso
  12. 2512
    por Micheli, Francesco
    Publicado 2013
    “…More specifically, the exact determination of the Higgs couplings to bosons and fermions is crucial to establish if the properties of this particle are compatible with the theoretical predictions. …”
    Enlace del recurso
    Enlace del recurso
  13. 2513
    por Jezequel, S
    Publicado 2013
    “…\nThe Higgs boson branching ratios and couplings to fermions/bosons will be measured at few percent level.…”
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  14. 2514
    por Jezequel, S
    Publicado 2013
    “…The Higgs boson coupling to fermions/bosons will be measured with precisions reaching the percent level. …”
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  15. 2515
    por Bhattacharya, Saptaparna
    Publicado 2013
    “…Such partners, if vector-like, occur in models such as the Little Higgs and Large Extra Dimensions. Fermionic top partners could also occur in composite Higgs models. …”
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  16. 2516
    por The ATLAS collaboration
    Publicado 2013
    “…Studies are presented on the prospects for measuring Higgs boson production cross sections times branching ratios, and determining couplings to individual fermions and bosons in 14 TeV proton-proton collisions at the LHC with 300 fb$^{-1}$ and at the HL-LHC with 3000 fb$^{-1}$. …”
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  17. 2517
    por Mudry, Christopher
    Publicado 2014
    “…Quantum phase transitions are also treated in the context of quantum dissipative junctions and interacting fermions constrained to one-dimensional position space. …”
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  18. 2518
    por The ATLAS collaboration
    Publicado 2014
    “…A study is presented on the ATLAS experimental prospects for measuring Higgs boson signal strengths, and determining couplings to individual fermions and bosons, using 14 TeV proton-proton collisions at the LHC with 300 fb$^{-1}$ and at the HL-LHC with 3000 fb$^{-1}$. …”
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    Enlace del recurso
  19. 2519
    por Nisati, Aleandro
    Publicado 2015
    “…A summary of the main Higgs boson production modes and decay final states at the HL-LHC is reported, with emphasis on the measurement of couplings to elementary bosons and fermions, and on the search for rare decay modes. Examples of interpretation of the Higgs couplings in the context of the 2HDM model, and of direct BSM Higgs bosons are briefly illustrated. …”
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  20. 2520
    por Leight, William Axel
    Publicado 2016
    “…Searches are conducted using the $\gamma\gamma$, ZZ, WW and fermionic decay channels, and cover a large range of masses for the hypothetical resonances.…”
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    Enlace del recurso
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