نتایج جستجو برای: q factor measurement
تعداد نتایج: 1355681 فیلتر نتایج به سال:
The growing interest of miniaturized power converters has pushed the development high frequency inductors integrated in Power Supply on Chip or Package. proper characterization inductor impedance is a challenge due to dependence current, quality factor (Q) and range where these devices operate. In this paper, we present comparison different measuring methods characterize Q inductors. based syst...
Resonator measurements are a simple but powerful tool to characterize material's microwave response. The losses of resonant mode quantified by its internal quality factor ${Q}_{\mathrm{i}}$, which can be extracted from the scattering coefficient in reflection or transmission measurement. Here we show that systematic error on ${Q}_{\mathrm{i}}$ arises Fano interference signal with background pat...
Abstract We discuss quantum entanglement in top pair production at the LHC. Near $$t {\bar{t}}$$ t ¯ threshold, observables are enhanced by suppressing contribution of $$q {\bar{q}}$$ q subprocesses, which is achieved a simple c...
In JLab Experiment E12-07-104 we intend to dramatically extend the reach of our understanding of a fundamental feature of the neutron; its magnetic form factor GnM . The elastic electromagnetic form factors(EEFFs) describe the distribution of charge and magnetization inside the nucleon at low Q and probe the quark structure at higher Q. This experiment is part of a broad program at JLab to meas...
We report a new measurement of the exclusive electroproduction reaction gamma(*)p-->pi(0)p to explore the evolution from soft nonperturbative physics to hard processes via the Q(2) dependence of the magnetic (M(1+)), electric (E(1+)), and scalar (S(1+)) multipoles in the N-->Delta transition. 9000 differential cross section data points cover W from threshold to 1.4 GeV/c(2), 4pi center-of-mass ...
We report a measurement of the asymmetry in spin-dependent quasielastic scattering of longitudinally polarized electrons from a polarized 3 ~ e gas target. The asymmetry is measured at kinematics sensitive to the transverse-longitudinal response function R T L , ( Q ~ , ~ ) . The value of the neutron electric form factor G2 (Q' =0.16 (GeVlc) 2 , = + 0.070 zk 0.100 5 0.035 is extracted from the ...
We propose high precision measurements of the double ratio of polarization transfer coefficients, P ′ x and P ′ z, of the quasielastic He( e, e′ p ) H reaction with respect to the elastic H( e, e′ p ) reaction, at a Q of 0.8 (GeV/c) and 1.3 (GeV/c). Recently, measurements of this double ratio at both Mainz and JLab hinted at the need to include medium modifications of the proton form factors pr...
AIMS To contribute new evidence to the controversy about the factor structure of the Eating Disorder Examination Questionnaire (EDE-Q) and to provide, for the first time, norms based on a large adolescent Mexican community sample, regarding sex and area of residence (urban/rural). METHODS A total of 2928 schoolchildren (1544 females and 1384 males) aged 11-18 were assessed with the EDE-Q and ...
A two-dimensional photonic crystal semiconductor microcavity with a quality factor Q,40,000 and a modal volume Veff,0.9 cubic wavelengths is demonstrated. A micron-scale optical fiber taper is used as a means to probe both the spectral and spatial properties of the cavity modes, allowing not only measurement of modal loss, but also the ability to ascertain the in-plane localization of the cavit...
We present a simple measurement and analysis technique to determine the fraction of optical loss due to both radiation (scattering) and linear absorption in microphotonic components. The method is generally applicable to optical materials in which both nonlinear and linear absorption are present and requires only limited knowledge of absolute optical power levels, material parameters, and the s...
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