نتایج جستجو برای: q factor
تعداد نتایج: 956049 فیلتر نتایج به سال:
the purpose of this study is to recognize and categorize the barriers for implementing human resources strategy in “khorasan regional electric company”. q-methodology has been applied as a mixed method in this study. 30 managers and experts of “khorasan regional electric company” have taken part in filling up the questionnaire in this study. developing concourse, evaluating and summarizing the ...
A new method for the selection of radial modes a spherical microresonator by quality factor, based on effect absorption in thin metal film deposited sphere together with dielectric layer, is proposed. The was proved numerical simulation example second and third TEl,l,q, l = 455, q 2, 3 80 μm radius quartz microsphere 5 nm thick nickel film. structure metal-dielectric coating determined using an...
The πNN form factor gπNN (q ) is obtained from a quenched lattice QCD calculation of the pseudoscalar form factor gP (q ) of the proton with pion pole dominance. We find that gπNN (q ) fitted with the monopole form agrees well with the Goldberger-Treiman relation and is much preferred over the dipole form. The monopole mass is determined to be 0.75 ± 0.14GeV which shows that gπNN (q ) is rather...
In this article, some diagnostic systems and the preliminary results of the IR-T1** (Iran-Tokamak 1) are presented. Different diagnostic methods, including an array of soft X-ray detectors, visible spectrometer, electron cyclotron emission detector and electromagnetic measurement systems have been used and the hard disruptive instability occurring in the IR-T1 plasma during an ohmic heating...
We recently reported the analysis of the frequency noise in the frequency modulation atomic force microscopy (FM-AFM) both in high-Q and low-Q environments [Rev. Sci. Instrum. 80, 043708 (2009)]. We showed in the paper that the oscillator noise, the frequency fluctuation of the oscillator, becomes prominent in the modulation frequency lower than f(0)∕2Q, where f(0) and Q are the resonance frequ...
The application of small photon fields in modern radiotherapy requires the determination of total scatter factors Scp or field factors Ω(f(clin), f(msr))(Q(clin), Q(msr)) with high precision. Both quantities require the knowledge of the field-size-dependent and detector-dependent correction factor k(f(clin), f(msr))(Q(clin), Q(msr)). The aim of this study is the determination of the correction ...
In the large N c limit, all hyperon decays involving the same quark diagram Q ! Q 0 are described by a single weak form factor QQ 0(w). No assumption on the mass of Q or Q 0 is necessary, making our results applicable to both b ! c and c ! s transitions. This same form factor describes both Q ! Q 0 and () Q ! () Q 0 transitions. The (non-)commutativity between the heavy quark and the large N c ...
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