نتایج جستجو برای: nlo analysis
تعداد نتایج: 2826398 فیلتر نتایج به سال:
The next to leading order (NLO) contribution of the generalized finite size mass shift formula for an interacting two stable particle system in a periodic L3 box is discriminated with maintaining its model independent structure and validity to all orders in perturbation theory. The influence of the NLO contribution is examined for the nucleon mass shift in the realistic nucleon-pion system.
At the International Linear Collider (ILC), parameters of supersymmetry (SUSY) can be determined with an experimental accuracy matching the precision of next-to-leading order (NLO) and higher-order theoretical predictions. Therefore, these contributions need to be included in the analysis of the parameters. We present a Monte-Carlo event generator for simulating chargino pair production at the ...
The last decade has seen an important advance in our understanding of polarized nucleon structure functions as a result of the analysis of deep inelastic scattering (DIS) data. Unfortunately, the use of DIS data alone does not allow an accurate determination of the polarized parton densities. This is true in particular for the gluon, since this quantity contributes to DIS in leading order (LO) ...
Recent measurements of the inclusive jet cross section, dijet cross section, dijet invariant mass distributions and strong coupling constant at TEVATRON, HERA and LEP colliders are presented in this paper. The comparisons with NLO perturbative QCD predictions are shown. In general consistency with QCD predictions is observed for a variety of processes and energy ranges. The observed discrepanci...
Multiple sensors are used in a variety of geolocation systems. Many use Time Difference of Arrival (TDOA) or Received Signal Strength (RSS) measurements to estimate the most likely location of a signal. When an object does not emit an RF signal, Angle of Arrival (AOA) measurements using optical or infrared frequencies become more feasible than TDOA or RSS measurements. AOA measurements can be c...
Nitrogen is a common structural element in the acceptor moieties of organic donor-acceptor nonlinear optical (NLO) chromophores. In order to assess the effect of substitution with heavier group 15 elements, computational studies of the nonlinear optical properties of betaine derivatives, (CH(3))(3)X(+)CH(2)CO(2)(-) (X = N, P, As, Sb, Bi), have been performed. First hyperpolarisabilities, β(HRS)...
Recent results in polarized DIS are reviewed. Particular emphasis is placed on new measurements of transverse and longitudinal asymmetries, on the tests of the spin sum rules and on the analysis of the spin structure function g1 in perturbative QCD at NLO.
Biological Electronic, Optical Properties, and Vibrational Analysis of 1-benzyl-4-formyl-1H-pyrrole 3carboxamide are studied by using a combination of DFT/B3LYP method and 6-311G (d, p) basis set. Optimized parameters of the title molecule are well-matched with the experiments. The NLO properties of 1-benzyl-4-formyl-1H-pyrrole 3carboxamide have been examined with the help of Polarizability...
چکیده در این تحقیق، قدرت پیوند هیدروژنی درون مولکولی 1و5-دی هیدروکسی آنتراکینون(1,5dha) ، با استفاده از محاسبات نظریه ی تابعی چگالی (dft) ، تئوری اتم ها در مولکول (aim) و آنالیز اوربیتال طبیعی پیوند (nbo) مورد بررسی قرار گرفت. بهینه سازی ساختارها و مشاهده ی فرکانس های ارتعاشی در سطح b3lyp/6-311++g** انجام شد. نتایج ساختاری، فرکانس پیوند o•••h، جابه جایی شیمیایی پروتون انولی و خواص توپولوژیکی ...
We used a variety of nonlinear optical (NLO) spectroscopies to study the singlet excited states order, and primary photoexcitations in polyfluorene; an important blue emitting πconjugated polymer. The polarized NLO spectroscopies include ultrafast pump-probe photomodulation in a broad range of 0.2 to 2.6 eV, two-photon absorption in the range of 3.2 4.2 eV, and electroabsorption covering the sp...
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