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  • Springer  (25,386)
  • American Meteorological Society
  • Nature Publishing Group (NPG)
  • 2000-2004  (26,866)
  • 2003  (26,866)
  • 1
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    Early warning systems for natural disaster reduction (2003)
    Springer
    Details
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/book
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  • 2
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    GPS : theory, algorithms and applications (2003)
    Springer
    Details
    Publication Date: 2020-02-12
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/book
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  • 3
    Electronic Resource
    Electronic Resource
    Asymptotic conditions for the electromagnetic form factors of hadrons represented by the VMD model (2003)
    Springer
    The European physical journal 28 (2003), S. 115-118 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. A system of linear homogeneous algebraic equations for the coupling constant ratios of vector mesons to hadrons is derived by imposing the assumed asymptotic behavior upon the VMD pole parameterization of an hadron electromagnetic form factor. A similar system of equations with a simpler structure of the coefficients, taken as even powers of the vector-meson masses, is derived by means of integral superconvergent sum rules for the imaginary part of the considered form factor using its appropriate $\delta$ -function approximation. Although both systems have been derived starting from different properties of the electromagnetic form factor and they each have their own appearances, it is shown explicitly that they are fully equivalent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjc/s2003-01143-3
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  • 4
    Electronic Resource
    Electronic Resource
    A flexible parameterization of the CKM matrix via the singular-value-decomposition method (2003)
    Springer
    The European physical journal 28 (2003), S. 55-61 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. We investigate a flexible method by which we can test the unitarity of the quark flavor-mixing matrix step by step. Singular-value-decomposition (SVD) techniques are used in analyzing the mixing matrix over a broader parameter region than the unitarity region. Unitary constraints let us extract CP-violating properties without any specific parameterization when the magnitudes of at least three mixing-matrix elements in three-generation quark mixing are given. This method can al so be applied to the analysis of lepton flavor mixing, in which only a few moduli are presently measured.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjc/s2003-01151-3
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  • 5
    Electronic Resource
    Electronic Resource
    Towards high-precision predictions for the MSSM Higgs sector (2003)
    Springer
    The European physical journal 28 (2003), S. 133-143 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. The status of the evaluation of the MSSM Higgs sector is reviewed. The phenomenological impact of recently obtained corrections is discussed. In particular it is shown that the upper bound on mh within the MSSM is shifted upwards. Consequently, lower limits on $\tan\beta$ obtained by confronting the upper bound as function of $\tan\beta$ with the lower bound on mh from Higgs searches are significantly weakened. Furthermore, th e region in the MA- $\tan\beta$ -plane where the coupling of the lightest Higgs boson to down-type fermions is suppressed is modified. The presently not calculated higher-order corrections to the Higgs-boson mass matrix are estimated to shift the mass of the lightest Higgs boson by up to 3 GeV.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjc/s2003-01152-2
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  • 6
    Electronic Resource
    Electronic Resource
    The QCD pomeron in ultraperipheral heavy ion collisions: I. The double $J/\Psi$ production (2003)
    Springer
    The European physical journal 28 (2003), S. 71-77 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. The contribution of the QCD pomeron to the process $AA \rightarrow AA J/\Psi J/\Psi $ is discussed. We focus on the photon-photon collision, with the quasi-real photon coming from the Weizsäcker-Williams spectrum of the nuclei. We calculate the cross section for this process considering the solution of the LLA BFKL equation at zero momentum transfer using a small t approximation for the differential cross section of the subprocess. Furthermore, the impa ct of non-leading corrections to the BFKL equation is also analyzed. In both cases the cross section is found to increase with the energy, predicting considerable values for the LHC energies. Moreover, we compare our results with the Born two-gluon approximation, which is energy independent at the photon level. Our results indicate that the experimental analyses of this process can be useful to discriminate the QCD dynamics at high energies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjc/s2003-01149-9
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  • 7
    Electronic Resource
    Electronic Resource
    Abelian decomposition method for G2 gauge theory (2003)
    Springer
    The European physical journal 28 (2003), S. 147-150 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. The method of Abelian decomposition proposed by Faddeev and Niemi is used to derive the low-energy effective lagrangian of G2 gauge theory. The G2 algebra is studied. The commutation relations among the generators of the G2 algebra are established, based on the framework of its regular maximal subalgebra, an SU(3) algebra.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjc/s2003-01155-y
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  • 8
    Electronic Resource
    Electronic Resource
    Search for resonant $\tilde\nu$ production at $\sqrt{s} = $ 183 to 208 GeV (2003)
    Springer
    The European physical journal 28 (2003), S. 15-26 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. Searches for resonant $\tilde\nu$ production in e + e - collisions under the assumption that R-parity is not conserved and that the dominant R-parity violating coupling is $\lambda_{121}$ or $\lambda_{131}$ used data recorded by DELPHI in 1997 to 2000 at centre-of-mass energies of 183 to 208 GeV. No deviation from the Standard Model was observed. Upper limits are given for the $\lambda_{121}$ and $\lambda_{131}$ couplings as a function of the sneutrino mass and total width. The limits are especially stringent for sneutrino masses equal to the centre-of-mass energies with the highest integrated luminosities recorded.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjc/s2003-01158-8
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  • 9
    Electronic Resource
    Electronic Resource
    Impact-picture phenomenology for $\pi^{\pm}p, K^{\pm}p$ and $pp, \bar p p $ elastic scattering at high energies (2003)
    Springer
    The European physical journal 28 (2003), S. 97-105 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. We present an extension to $\pi^{\pm} p$ and $K^{\pm} p$ elastic scattering at high energies of the impact-picture phenomenology we first proposed more than twenty years ago, for p p and $\bar p p$ elastic scattering. We show, in particular, that the analytic form of the opacity function for the proton obtained previously is compatible with the experimental results on $\pi p$ and K p elastic s cattering at high energies. It is proposed that $\pi^{\pm}$ and $K^{\pm}$ external beams be provided from CERN-LHC, so that their elastic scattering from protons can be studied at higher energies. Our phenomenology for p p and $\bar p p$ elastic scattering is updated by including new data and we give predictions for future experiments at BNL-RHIC and CERN-LHC.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjc/s2003-01159-7
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  • 10
    Electronic Resource
    Electronic Resource
    Massive or massless scalar field and confinement (2003)
    Springer
    The European physical journal 28 (2003), S. 151-154 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. The generalization of QCD motivated classical SU(2) Yang-Mills theory coupled to a scalar field is discussed. The massive scalar field, corresponding to the scalar glueball, provides a confining potential for static, point-like, external sources. In the case of a massless scalar field screening solutions are found. However, there is a confining sector as well. Both, massive and massless confining solutions, are compared with phenomenological potentials. The case of a non-dynam ical permittivity is also discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjc/s2003-01161-1
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