نتایج جستجو برای: nlo
تعداد نتایج: 2928 فیلتر نتایج به سال:
Controllable broadband nonlinear optical response of graphene dispersions by tuning vacuum pressure.
Nonlinear scattering, originating from laser induced solvent micro-bubbles and/or micro-plasmas, is regarded as the principal mechanism for nonlinear optical (NLO) response of graphene dispersions at ns timescale. In this work, we report the significant enhancement of NLO response of graphene dispersions by decreasing the atmospheric pressure, which has strong influence on the formation and gro...
We discuss, within the context of first order perturbation theory, the correction to the NLO BFKL wavefunction for scattering processes with non-zero momentum transfer, arising from the fact that in NLO the kernel is not covariant under conformal transformations.
We present a combined NLO QCD analysis to data on both inclusive and semi-inclusive polarized asymmetries. We also present the NLO corrections to the direct part of the polarized photoproduction of charged hadrons.
We consider NLO chargino production and decays at the ILC. For this, we present an NLO extension of the Monte Carlo Event Generator WHIZARD including the NLO production. For photonic corrections, we use both a fixed order and a resummation approach. The latter method evades the problem of negative event weights and automatically includes leading higher order corrections. We present results for ...
New, radiatively generated, NLO quark (u, d, s, c, b) and gluon densities in a real, unpolarized photon are presented. We perform three global fits, based on the NLO DGLAP evolution equations for Q 2 > 1 GeV 2 , to all the available structure function F γ 2 (x, Q 2) data. As in our previous LO analysis we utilize two theoretical approaches. Two models, denoted as FFNS CJK 1 & 2 NLO, adopt the s...
We compute in next-to-leading order (NLO) perturbative QCD the amount of transverse energy produced into a rapidity region ∆Y of a nuclear collision from partons created in the few-GeV subcollisions. The NLO formulation assumes collinear factorization and is based on the subtraction method. We first study the results as a function of the minimum transverse momentum scale and define and determin...
Abstract We present numerical tests and predictions of the KrkNLO method for matching of NLO QCD corrections to hard processes with LO parton shower Monte Carlo generators (NLO+PS). This method was described in detail in our previous publications, where it was also compared with other NLO+PS matching approaches (MC@NLO and POWHEG) as well as fixed-order NLO and NNLO calculations. Here we concen...
Recent NLO results of the SM Higgs cross section at the LHC differ by factors of up to 2 from the LO cross section estimates currently used inside PYTHIA. We propose a scheme on how these NLO results can be used consistently inside the PYTHIA Monte Carlo simulations. Numerical results for Higgs are given for three recent parton distribution functions, MRS(R1), GRV(94)HO and CTEQ4M. For complete...
In this communication we use the density functional theory-based multi-reference configuration interaction (DFT/MRCI) and the second-order algebraic diagrammatic construction (ADC(2)) methods to compute the spectroscopic and second-order nonlinear optical (NLO) properties of Ru(ii)-based NLO-phores. For some of the complexes, an appropriate treatment of doubly excited states is essential to cor...
The first data on bottom quark production in pp̄ collisions at 1.96 TeV have recently been obtained by the CDF collaboration. These data probe the region of pT ∼ 0, providing a new invaluable input on the issue of the compatibility between next-to-leadingorder (NLO) QCD and data. We reconsider the evaluation of the b cross section, in view of recent theoretical developments, and of the latest in...
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