Mostrando 841 - 860 Resultados de 1,395 Para Buscar '"elementary particles"', tiempo de consulta: 0.15s Limitar resultados
  1. 841
    “…To help in reading the chapters without having to constantly consult other texts, essential materials from General Relativity and the theory of elementary particles are collected in the appendices. Various hypotheses dealing with unsolved problems of cosmology, and often alternative to each other, are discussed at a more advanced level. …”
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  2. 842
    por Mohapatra, Rabindra N
    Publicado 2021
    “…The author, a distinguished theoretical physicist who has researched neutrinos for over thirty years, next explains in nontechnical language how and why the neutrino fits into the wider story of elementary particles. Finally, the reader will learn about the latest discoveries in the past half century of neutrino studies. …”
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  3. 843
    por Schopper, Herwig
    Publicado 2020
    “…It turned out that the understanding of elementary particles and the forces acting between them is extremely relevant for our perception of the cosmological development. …”
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  4. 844
    “…By 18 May, beams were colliding at the design energy of 26.5 GeV/beam, and by 2 July, the ISR's first results were ready for presentation at the International Conference on Elementary Particles in Amsterdam. Fifty years later, there have been five hadron colliders in the world, three at CERN and two in the US, each of which has enriched the sum of human knowledge and contributed to innovation in numerous ways. …”
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  5. 845
    por Veronesi, Michele
    Publicado 2021
    “…Since boson and fermion fields enter virtually in $B^0_s-\overline{B}^0_s$ transitions, the measurement of the $B^0_s$ oscillation frequency does not only offer a laboratory to study the beautiful quantum mechanical properties of the subatomic world, but also provides a gateway to the relativistic quantum fields constituting all elementary particles and fundamental interactions. …”
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  6. 846
    por Mince, Laurynas
    Publicado 2021
    “…The Standard Model of particle physics (SM) connects symmetries to the interactions of elementary particles. Effective field theories (EFT) extend the SM with higher-dimension operators that maintain the SM’s symmetries in the low-energy limit. …”
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  7. 847
    por Semushin, A E, Soldatov, E Yu
    Publicado 2021
    “…Tests for deviation from the Standard Model (SM) are guided by its apparent incompleteness and by pursuit of creation of a more general theory of elementary particles. We search in this study for manifestations of new physics in an indirect way, through changes in interactions of already known particles due to the effects of physics beyond the SM. …”
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  8. 848
    por Physicists, Team
    Publicado 2022
    “…One side of the book presents the physics of the "infinitely small" (from the atom to the elementary particles) while the other side describes the "infinitely large": our Universe. …”
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  9. 849
    por Bonnes, Felix
    Publicado 2023
    “…The decay vessel is a long structural steel hollow structure allowing the hidden particles to decay into Standard Model elementary particles to be detected. This very massive structure is expected to lay on the floor in a possible future underground facility at CERN, where the seismic activity is non-negligible. …”
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  10. 850
    por Dauvergne, J P, Delikaris, D, Haug, F
    Publicado 1996
    “…They are installed in the experimental areas of the electron-positron collider LEP and the proton (and heavy ion) accelerator SPS for the observation of high-energy interactions of elementary particles. The typical cold mass of a detector magnet ranges from 1 to 40 tons, and typical cryoplant cooling capacities are between 400 and 800 W/4.5 K entropy equivalent. …”
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  11. 851
    “…Finally, we mention that stored electrons have been cooled to 70 mK, the first time that elementary particles have been cooled below 4 K. In such an apparatus it should be possible to study highly magnetized plasmas of electrons or positrons at this new low temperature. (29 refs).…”
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  12. 852
    “…The precise measurement of the top quark mass is one of the main physics goals in understanding the interactions between the elementary particles. The Large Hadron Collider will collect an enormous amount of pp->ttbar events, which will in the semi-leptonic decay mode ttbar->bWbW->bqqblv (l=muon) allow to measure the top quark mass to an unprecedented precision dominated by systematic uncertainties in the jet definition. …”
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  13. 853
    por Chapelain, Antoine
    Publicado 2014
    “…Particle physics aims to give a coherent description of the nature and the behavior of elementary particles of matter. Particle accelerators (colliders) allow pushing back our knowledge in this domain producing particles that cannot be observed by other means. …”
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  14. 854
    por Bednyakov, V A, Khramov, E V
    Publicado 2020
    “…In particular, the detailed probationof the Standard Model, its application limits, search for solutions of the key problems of the current stage of physics and astrophysics , such as origin of the elementary particles masses, nature of dark matter in the Universe, existence of extra dimensions and others are carried out with the ATLAS. …”
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  15. 855
    por Hall, C. E., Nisonoff, A., Slayter, H. S.
    Publicado 1959
    “…The evidence suggests that under these conditions the specific reaction involves an end-to-end aggregation of the elementary particles to produce a weight average length about twice that of the pure antibody.…”
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    Texto
  16. 856
    por Fiedeler, Ulrich
    Publicado 2011
    “…The manipulation of nature in order to measure its properties has steadily increased until artificial things have been produced, such as laser beams, chemical compounds, elementary particles. Furthermore, the structural bracing of natural science, technological development, and industrial exploitation of nature go also back to the foundation of modern science. …”
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  17. 857
    por Huang, Yang, Zhang, Hongsheng
    Publicado 2022
    “…Our result strongly implies that extreme dilatonic black holes behave as elementary particles.…”
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  18. 858
    “…It will collide a beam of high energy protons with another similar beam circulation in the same 27 km tunnel but in the opposite direction, resulting in the production of many elementary particles some never created in the laboratory before. …”
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  19. 859
    por Jegerlehner, Friedrich
    Publicado 2008
    “…This reference text for researchers in elementary particle physics requires some basic knowledge of relativistic quantum field theory and elementary particle theory.…”
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  20. 860
    por Zaidan, R
    Publicado 2012
    “…The only particle of the Standard Model that has not yet been discovered is the Higgs boson, which explains the origin of the masses of elementary particles. In the Minimal Supersymmetric extention to the Standard Model (MSSM), the Higgs sector consists of five bosons, two of which are charged. …”
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