نتایج جستجو برای: ν
تعداد نتایج: 7851 فیلتر نتایج به سال:
We define a general model capturing the behavior of a population of anonymous agents that interact in pairs. This model captures some of the main features of opportunistic networks, in which nodes (such as the ones of a mobile ad hoc networks) meet sporadically. For its reminiscence to Population Protocol, we call our model Large-Population Protocol, or LPP. We are interested in the design of L...
We consider the " standard " spectrum of the active neutrinos (characterized by strong mass hierarchy and small mixing) with additional sterile neutrino, ν s , which mixes strongly with muon neutrino, so that ν µ ↔ ν s oscillations solve the atmospheric neutrino problem. The parametric enhancement of the ν µ ↔ ν s oscillations occurs for the high energy atmospheric neutrinos which cross the cor...
I demonstrate that the wave function for a ν=n+ν[over ˜] quantum Hall state with Landau levels 0,1,…,n-1 filled and a filling fraction ν[over ˜] quantum Hall state with 0<ν[over ˜]≤1 in the nth Landau level can be obtained hierarchically from the ν=n state by introducing quasielectrons which are then projected into the (conjugate of the) ν[over ˜] state. In particular, the ν[over ˜]=1 case prod...
We report on ν(e) and ν(e) appearance in ν(μ) and ν(μ) beams using the full MINOS data sample. The comparison of these ν(e) and ν(e) appearance data at a 735 km baseline with θ13 measurements by reactor experiments probes δ, the θ23 octant degeneracy, and the mass hierarchy. This analysis is the first use of this technique and includes the first accelerator long-baseline search for ν(μ) → ν(e)....
The two-photon two-neutrino interaction induced by magnetic field is investigated. In particular the processes γγ → ν ¯ ν and γ → γν ¯ ν are studied in the presence of strong magnetic field. An effective La-grangian and partial amplitudes of the processes are presented. Neu-trino emissivities due to the reactions γγ → ν ¯ ν and γ → γν ¯ ν are calculated taking into account of the photon dispers...
In memoriam Csörgő Sándor, dear friend and great scholar Keywords: Bessel function of first kind J ν (z) Bounds for J ν (z) Positive zeros j ν,s of J ν (z) Generalized Kapteyn expansion Kapteyn series a b s t r a c t A new inequality is derived for the Bessel function of the first kind J ν (z), ν ∈ R, and a discussion of the consequent convergence is given for the generalized Kapteyn-type expan...
Laptev and Safronov conjectured that any non-positive eigenvalue of a Schrödinger operator −∆+ V in L(R) with complex potential has absolute value at most a constant times ‖V ‖ γ+ν/2 for 0 < γ ≤ ν/2 in dimension ν ≥ 2. We prove this conjecture for radial potentials if 0 < γ < ν/2 and we ‘almost disprove’ it for general potentials if 1/2 < γ < ν/2. In addition, we prove various bounds that hold,...
We study the expressive power of restriction and its interplay with replication. We do this by considering several syntactic variants of CCS! (CCS with replication instead of recursion) which differ from each other in the use of restriction with respect to replication. We consider three syntactic variations of CCS! which do not allow the use of an unbounded number of restrictions: CCS−!ν ! is t...
We argue that analyzing the ν e-induced CC reaction ν e n → e − π 0 p along with the quasielastic reaction ν e n → e − p may significantly enhance the sensitivity of a water Cherenkov detector to the subleading oscillation ν µ → ν e at neutrino energies ∼ 2–3 GeV, as projected for the off-axis neutrino beam of NuMI. At the level of standard selections, the multi-ring signal of ν µ → ν e yielded...
x (ν) (a) = x (a), x (ν) (b) = x (b), provided that, for every i in {1, . . . ,m}, Liψi is continuous in a neighborhood of x, Li is convex in its second variable, and ψi evaluated along x has positive sign. We discuss the optimality of our assumptions comparing them with an example of Sarychev [J. Dynam. Control Systems, 3 (1997), pp. 565–588]. As a consequence, we obtain the nonoccurrence of t...
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