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Träfflista för sökning "WFRF:(Angelopoulos E.) srt2:(1999)"

Sökning: WFRF:(Angelopoulos E.) > (1999)

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  • Angelopoulos, Angelos, et al. (författare)
  • Dispersion relation analysis of the neutral kaon regeneration amplitude in carbon
  • 1999
  • Ingår i: European Physical Journal C. - Springer Berlin/Heidelberg. - 1434-6044. ; 10:1, s. 19-25
  • Tidskriftsartikel (refereegranskat)abstract
    • We apply a forward dispersion relation to the regeneration amplitude for kaon scattering on 12" style="position: relative;" tabindex="0" id="MathJax-Element-1-Frame" class="MathJax">12C using all available data. The CPLEAR data at low energies allow the determination of the net contribution from the subthreshold region which turns out to be much smaller than earlier evaluations, solving a long standing puzzle.
  • Angelopoulos, A., et al. (författare)
  • K 0–KÌ„0 mass and decay-width differences : CPLEAR evaluation
  • 1999
  • Ingår i: Physics Letters B. - Elsevier. - 0370-2693 .- 1873-2445. ; 471:2, s. 332-338
  • Tidskriftsartikel (refereegranskat)abstract
    • The CPT-violation parameters Re(δ) and Im(δ) determined recently by CPLEAR are used to evaluate the K0–<img src="http://ars.els-cdn.com/content/image/1-s2.0-S0370269399013337-si10.gif" data-loaded="true" data-inlimgeid="1-s2.0-S0370269399013337-si10.gif" /> mass and decay-width differences, as given by the difference between the diagonal elements of the neutral-kaon mixing matrix (M−iΓ/2). The results – <img src="http://ars.els-cdn.com/content/image/1-s2.0-S0370269399013337-si11.gif" data-loaded="true" data-inlimgeid="1-s2.0-S0370269399013337-si11.gif" /> GeV and <img src="http://ars.els-cdn.com/content/image/1-s2.0-S0370269399013337-si12.gif" data-loaded="true" data-inlimgeid="1-s2.0-S0370269399013337-si12.gif" /> GeV – are consistent with CPT invariance. The CPT invariance is also shown to hold within a few times 10−3–10−4 for many of the amplitudes describing neutral-kaon decays to different final states.
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