نتایج جستجو برای: τ
تعداد نتایج: 11884 فیلتر نتایج به سال:
We present the first observation of τ lepton decays to hadronic final states with a φ-meson. This analysis is based on 401 fb of data accumulated at the Belle experiment. The branching fraction obtained is B(τ− → φK−ντ ) = (4.05 ± 0.25 ± 0.26) × 10.
We study the neutral Higgs boson production via the gluon fusion process with the ττ final state at the upgraded Fermilab Tevatron, including a complete simulation of signal channels and leading background processes. For the SM Higgs boson, this h → ττ channel may provide important addition for the Higgs boson discovery in the mass range 120 − 140 GeV. In minimal supersymmetric models, natural ...
It has been suggested that the observed Ds −D 0 lifetime difference can be ‘understood’ as due to SU(3)F l breaking in the phase spaces for the exclusive D 0 channels ‘removing’ the need for weak annihilation. It is pointed out that several of the statements in this argument are misleading or even inconsistent with a state-of-the-art description of heavy flavour decays based on the operator pro...
We characterize the circular periodic solutions of the generalized Lennard–Jones Hamiltonian system with two particles in Rn, and we analyze what of these periodic solutions can be continued to periodic solutions of the anisotropic generalized Lennard–Jones Hamiltonian system. We also characterize the periods of antiperiodic solutions of the generalized Lennard–Jones Hamiltonian system on R2n, ...
Library of anomalous τ τ γ couplings for τ + τ − (nγ) Monte Carlo programs ABSTRACT We briefly describe a library that may be used with any e + e − → τ + τ − (nγ) Monte Carlo program to account for the effects of anomalous τ τ γ couplings. The implementation of this library in KORALZ version 4.04 is discussed.
For every cardinal τ and every ordinal α, we construct a metrizable space Mα(τ) and a strongly countable-dimensional compact space Zα(τ) of weight τ such that D(Mα(τ)) ≤ α, D(Zα(τ)) ≤ α and each metrizable space X of weight τ such that D(X) ≤ α is homeomorphic to a subspace of Mα(τ) and to a subspace of Zα+1(τ).
A target set selection model is a graph G with threshold function τ : V(G) → N upper-bounded by the vertex degree. For given model, S0 ⊆ if can be partitioned into non-empty subsets S0, S1,....,St such that, for all i∈{1,....,t}, Si contains exactly every v having at least τ(v) neighbors in S0∪⋯∪Si−1. We say that t activation time tτ(S0) of S0. The problem of, finding minimum size has been exte...
The Finite Rank Approximation (FRA) based method is well known in operator approximation theory but it is also useful for suggesting numerical methods for solving integral equations. In this document we describe two FRA methods for the numerical resolution of the integral formulation of the 1D Radiative Transfer Equation (RTE) posed in a static slab; we browse some advantages of them (especiall...
and Applied Analysis 3 Let us consider the functional I x defined on H1 0 0, 2γτ by I x ∫2γτ 0 [ x′ t x′ t − τ − F t, x t , x t − τ dt. 2.4 For all x, y ∈ H1 0 0, 2γτ and ε > 0, we know that I ( x εy ) I x ε (∫2γτ 0 [ x′ t y′ t − τ x′ t − τ y′ t −Ft, x t εy t , x t − τ εy t − τ ) − F t, x t , x t − τ dt ) ε2 ∫2γτ 0 y′ t y′ t − τ dt. 2.5 It is then easy to see that 〈 I ′ x , y 〉 ∫2γτ 0 [ x′ t y′...
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