[PDF] Top 20 Some topics in theoretical high-energy physics

... The standard model of the early universe has re- cently been used to place constraints on the masses and lifetimes of possible nearly-stable heavy neutrino- like particl[r] ... See full document

... Using similar arguments, we have given a simple proof that all local conserved quan- tities of a quadratic time-independent hamiltonian with delocalizing dynamics are them- selves quadratic, and hence that the GGE ... See full document

... scan some or all of these parameters, to allow the up-sector and the down-sector to have different values of g or to allow their couplings to be scanned independently, to choose a different width d for different ... See full document

... 9 ( 2 ) ( 1 , 2 ) -3u (r 1 2 ,w i , ^ 2 ) e y (ri2> (1.17) The a p p r o ximation has been applied to a water model where the interaction energy is a Len n a r d - J o n e s potential plus Coulomb interactions b e ... See full document

... The envelope of this process is locus of points, locus of points of its maximum, it is a sinusoidal quantity and it rests in all reference frames; in other words, its phase velocity is equal zero in any reference frame, ... See full document

... was some other mechanism that could put an inspiraling object onto an ergodic geodesic, there is the question of how the ergodicity could be identified in ...the energy released during a typical EMRI is ... See full document

... To start with in quantum mechanics we have quantum particles and quantum waves and hardly anything else. However there is no numeric assigned a priori to either a quantum particle or a quantum wave. In string theory we ... See full document

... in high energy physics Vladimir Petrov 1 , 1 Institute for High Energy Physics, NRC Kurchatov Institute, Protvino, Russia ...of some space-time charac- teristics which are ... See full document

... old physics’ of the early 1960s, which “was characterised by its common sense approach to elementary particle ...explored high cross-section processes, and theorists constructed models of what they ... See full document

... free energy; however, because these renewable energy sources have a cost structure they fit in with mainstream energy the ...produce energy at no cost or at very low cost it is likely that ... See full document

... fitting some fine details of the pat- tern of masses, one can get an estimate of what the quark masses are and how much their masses are contributing to the mass of the proton and ...pure energy, via m ⫽ ... See full document

... includes some advice when and why to use ...in physics, new solutions will maybe lead to classifiers that are better than today’s ...quite some time to become accepted and tailored for HEP ... See full document

... Figure 8. Backpropagation of errors in a neural network. (Figure adopted from [ 4].) 4.3 Overtraining revisited We have seen that a network with a sufficient number of hidden neurons can evolve into a represen- tation of ... See full document

... the energy range for which this mea- surement applied by studying the change in likelihood as we turned o ff Earth absorption, first starting from very low energies, working upward, and then starting from very ... See full document

... stress energy tensor encoding the matter content, T µν ...model some proper subsystem that falls under a particular ...and theoretical framework in ... See full document

... present some recent applications to systems such as high-energy collisions, black holes and ...causes some confusion in the literature, very particularly in the LHC ... See full document

... of some portions of the air and subsequent rapid cooling and condensation gives rise to the creation of partial vacua in the places of greatest development of heat ... See full document

... , (45) such that a n is suppressed by (Λ QCD /m B ) n . In principle we can calculate all the a n and get a very precise prediction. It is helpful that a 1 = 0. The calculation has been done for n = 2 and n = 3. The ... See full document

... interaction. Some of these tools are already in wide use, such as WWW and e-mail, while others, like telepresence - the immersive electronic simulation of "being there" - are still being ... See full document

... The various stages remain the same as for weak convergence except the conver- gence section is somewhat modified and the requirement on the energy H 1 is also slightly different. For H 1 , we need it to be large ... See full document