نتایج جستجو برای: hypothetical particle
تعداد نتایج: 192788 فیلتر نتایج به سال:
Motivated by recent experimental proposals to search for extragalactic cosmic rays (including anti-matter from distant galaxies), we study particle propagation through the intergalactic medium (IGM). We first use estimates of the magnetic field strength between galaxies to constrain the mean free path for diffusion of particles through the IGM. We then develop a simple analytic model to describ...
We present a search for the pair production of a narrow nonstandard-model strongly interacting particle that decays to a pair of quarks or gluons, leading to a final state with four hadronic jets. We consider both nonresonant production via an intermediate gluon as well as resonant production via a distinct nonstandard-model intermediate strongly interacting particle. We use data collected by t...
The multi-particle production at high energy neutrinonucleon collisions are investigated through the analysis of the data of the experiment CERN-WA-025 at neutrino energy less than 260GeV and the experiments FNAL-616 and FNAL-701 at energy range 120-250 GeV. The general features of these experiments are used as base to build a hypothetical model that views the reaction by a Feynman diagram of t...
Lipid particles of the yeast Saccharomyces cerevisiae were isolated at high purity, and their proteins were separated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Major lipid particle proteins were identified by mass spectrometric analysis, and the corresponding open reading frames (ORFs) were deduced. In silicio analysis revealed that all lipid particle proteins contain severa...
The full causal Müller-Israel-Stewart (MIS) theory of dissipative processes in relativistic fluids is applied to a flat, homogeneous and isotropic universe with bulk viscosity. It is clarified in which sense the so called truncated version is a reasonable limiting case of the full theory. The possibility of bulk viscosity driven inflationary solutions of the full theory is discussed. As long as...
We introduce a new method to search for the dark matter sector particles using laser light. Some may have small mixing or interaction with photon. High-power lasers provide substantial test grounds these hypothetical light of exploding interests in particle physics. show that any source can also emit subfrequency as physics signal. Searching this at be simple and effective way investigate parti...
We explore the capabilities of a future proton collider to probe nature electro-weak phase transition, following hypothetical discovery new scalar particle. focus on real singlet field extension Standard Model, representing most minimal, and challenging probe, framework that can enable strong first-order transition. By constructing detailed phenomenological methods for measuring mass accessible...
We consider the properties of a static axially symmetric wormhole described by an exact solution Einstein's field equations and investigate how we can distinguish such hypothetical object from black hole. To this aim, explore motion test particles photons in wormhole's space-time compare it with particle dynamics well known space-times Schwarzschild Kerr holes. show that precise simultaneous me...
The Logic of Proofs (LP) [2–5] is a refinement of modal logic introduced by Artemov in 1995 which has recently been proposed for explaining well-known paradoxes arising in the formalization of Epistemic Logic. Assertions of knowledge and belief are accompanied by justifications: the formula [[t]]A states that proof witness t is “reason” for knowing/believing A. Also, LP is capable of reflecting...
The paper first sketches out a reply to the underdetermination challenge and the incommensurability challenge that rebuts the sceptical conclusions of these challenges and that is sufficient to lay the ground for the project of a metaphysics of nature. That metaphysics is as hypothetical as are our scientific theories. The paper then explains how can one can argue for certain views in the metap...
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