Results 21 to 30 of about 280,948 (347)

Synthesis and theoretical studies on rare three-coordinate lead complexes.

open access: yesDalton Transactions, 2007
A series of beta-diketiminate lead halide complexes has been synthesised LPbCl (2), LPbBr (3) and LPbI (4) (L = {N(2,6-(i)Pr(2)C(6)H(3))C(Me)}2CH]), which includes a rare example of a three-coordinate lead iodide (4).
Matthew Chen   +5 more
semanticscholar   +1 more source

A theoretical study of the hydrolysis mechanism of A-234; the suspected novichok agent in the Skripal attack

open access: yesRSC Advances, 2020
A-234, [EtO–P( Created by potrace 1.16, written by Peter Selinger 2001-2019 O)(F)–NC(Me)–N(Et)2], is the suspected A-type nerve agent used in the Skripal attack on the 4th of March 2018.
Yadhav Imrit   +8 more
semanticscholar   +1 more source

Higgs Boson studies at future particle colliders [PDF]

open access: yesJournal of High Energy Physics, 2019
This document aims to provide an assessment of the potential of future colliding beam facilities to perform Higgs boson studies. The analysis builds on the submissions made by the proponents of future colliders to the European Strategy Update process ...
J. Blas   +47 more
semanticscholar   +1 more source

Vocatives as rationalized politeness: Theoretical insights from emerging norms in call centre service encounters

open access: yes, 2017
This study offers an extension of existing politeness theories by illuminating how changes in politeness conventions come about as a result of contextual specificities.
A. Hultgren
semanticscholar   +1 more source

Overtourism, place alienation and the right to the city: insights from the historic centre of Seville, Spain

open access: yesJournal of Sustainable Tourism, 2020
Increasing international travel flows across the planet have drawn attention to socio-spatial justice concerning the impact of tourism and transnational gentrification in cities.
Ibán Díaz-Parra, Jaime Jover
semanticscholar   +1 more source

Anomalous couplings in Higgs-boson pair production at approximate NNLO QCD

open access: yesJournal of High Energy Physics, 2021
We combine NLO predictions with full top-quark mass dependence with approximate NNLO predictions for Higgs-boson pair production in gluon fusion, including the possibility to vary coupling parameters within a non-linear Effective Field Theory framework ...
Daniel de Florian   +4 more
doaj   +1 more source

When to end a lock down? How fast must vaccination campaigns proceed in order to keep health costs in check?

open access: yesRoyal Society Open Science, 2022
We propose a simple rule of thumb for countries which have embarked on a vaccination campaign while still facing the need to keep non-pharmaceutical interventions (NPI) in place because of the ongoing spread of SARS-CoV-2. If the aim is to keep the death
Claudius Gros   +2 more
doaj   +1 more source

Optical gain in NV-colour centres for highly-sensitive magnetometry: a theoretical study [PDF]

open access: yesJournal of Physics D: Applied Physics, 2017
Optical gain in an amplifier based on NV- colour centres (CC) in diamond is proposed as a new method for optical magnetic field detection. An analytical expression for magnetic field sensitivity with this method is deduced. The sensitivity is highest at the pump intensities about 100 times above the saturation intensity of NV- CC and can reach values ...
openaire   +2 more sources

Toda lattice field theories, discrete W algebras, Toda lattice hierarchies and quantum groups [PDF]

open access: yes, 1996
In analogy with the Liouville case we study the sl3 Toda theory on the lattice and define the relevant quadratic algebra and out of it we recover the discrete W3 algebra.
Constantinidis, C. P.   +6 more
core   +1 more source

Collapsing spherical star in Scalar-Einstein-Gauss-Bonnet gravity with a quadratic coupling

open access: yesEuropean Physical Journal C: Particles and Fields, 2018
We study the evolution of a self interacting scalar field in Einstein-Gauss-Bonnet theory in four dimension where the scalar field couples non minimally with the Gauss-Bonnet term.
Soumya Chakrabarti
doaj   +1 more source

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