25 research outputs found

    Search for particles with unexpected mass and charge in Z decays

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    Physics with the KLOE-2 experiment at the upgraded DAϕ\phiNE

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    Investigation at a ϕ\phi--factory can shed light on several debated issues in particle physics. We discuss: i) recent theoretical development and experimental progress in kaon physics relevant for the Standard Model tests in the flavor sector, ii) the sensitivity we can reach in probing CPT and Quantum Mechanics from time evolution of entangled kaon states, iii) the interest for improving on the present measurements of non-leptonic and radiative decays of kaons and eta/eta^\prime mesons, iv) the contribution to understand the nature of light scalar mesons, and v) the opportunity to search for narrow di-lepton resonances suggested by recent models proposing a hidden dark-matter sector. We also report on the e+ee^+ e^- physics in the continuum with the measurements of (multi)hadronic cross sections and the study of gamma gamma processes.Comment: 60 pages, 41 figures; added affiliation for one of the authors; added reference to section

    Electroweak parameters of the z0 resonance and the standard model

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    Contains fulltext : 124399.pdf (publisher's version ) (Open Access

    ALEPH: A detector for electron-positron annihilations at LEP

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    The design, construction and performace of a large 4pi solid angle detector with soleinoidal magnet is described. The detector serves to study electron-positron annihilation processes at a centre of mass energy between 80 and 200 GeV at the Large electron positron storage ring (LEP) at CERN

    ALEPH: technical report 1983

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    Measurement of prompt photon production in hadronic Z decays

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    Measurement of prompt photon production in hadronic Z decays

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    Measurement of the bτντXb \rightarrow \tau^- \overline{\nu}_{\tau}X branching ratio

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    The definitions of “anthropology” found in various dictionaries cover a whole range of terms and in this section we provide an overview of all its connotations. In this way a variety of reflections about the essence of man become possible, for instance as : summit of creation; source of his own values; specific biological reality; intelligence (but what is this, really?); knowing subject or object of knowledge; social being and product of a culture. Following these lines of thought one realises that all these preoccupations have already been taken up, or at least touched upon, by communication theory
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