We investigate the electromagnetic form factor $F({q}^{2})$ of meson by using solvable ${\ensuremath{\phi}}^{3}$ scalar field model in ($1+1$) dimensions. As transverse rotations are absent dimensions, advantage light-front dynamics (LFD) with time ${x}^{+}={x}^{0}+{x}^{3}$ as evolution parameter is maximized contrast to usual instant (IFD) ordinary ${x}^{0}$ parameter. In LFD, individual ${x}^...

The problem considered is how to estimate the value of the quantizer scale factor Q that corresponds to a given number of bits B in a given frame of a sequence. The solution exploits two statistical models B(Q) of I-, Pand B-frames coded by an MPEG coder. These models B(Q) depend on some parameters related to video content. In the first model, there are very few such parameters that can to be e...

Induction motors are being used more than ever before in industry and individual machines of up to 10 MW in size are no longer a rarity. During start-up and other severe motor operations the induction motor draws large currents, produces voltage dips, oscillatory torque and can even generate harmonics in the power system [1 4]. It is therefore important to be able to model the induction motor i...

The contributions of helicity-flip matrix elements to the deuteron form factors are discussed in the light-cone frame. Normalized A(Q), B(Q), GQ(Q ) and T20 are obtained in a simple QCD-inspired model. We find that G + +− plays an important role in GQ(Q ). Our numerical results are consistent with the data in the intermediate energy region. 13.40.Gp, 12.38.Bx, 24.85.+p, 27.10.+h Typeset using R...

We study the pair description of heavy tetraquark systems $|QQ\overline{Q}\overline{Q}?$ in frame a nonrelativistic potential model. By taking two quark pairs $(Q\overline{Q})$ as colored clusters, four-quark Schr\"odinger equation is reduced to two-pair equation, when inner motion inside can be neglected. Taking into account all Casimir scaling potentials between quarks and using lattice QCD s...

Abstract Social work practice is a constantly evolving, evidence-based profession. As an explanation of client ‘presenting problems’, social incorporates Q sort via Rogers’ client-centred/humanism. mathematical tool that enables incremental step by the profession at-large towards scientific exactness. Absent sort, as practice, well-respected critics have commenced to denigrate semi-profession i...

ν = q · P M = E − E′ is the lepton’s energy loss in the nucleon rest frame (in earlier literature sometimes ν = q · P ). Here, E and E′ are the initial and final lepton energies in the nucleon rest frame. Q2 = −q2 = 2(EE′−−→k · −→k ′)−m2 −m2 ′ where m (m ′) is the initial (final) lepton mass. If EE′ sin2(θ/2) m2 , m2 ′ , then ≈ 4EE′ sin2(θ/2), where θ is the lepton’s scattering angle with respe...

This paper describes a new method submitted for MIREX 2009 task: Multiple Fundamental Frequency Estimation & Tracking. Specifically, it is submitted for the first two subtasks: frame by frame evaluation and event contour detection and tracking. In this framework [1], multiple-F0 estimation is carried out by means of a front-end that jointly uses a constant-Q and a bispectral (higher-order spect...