A High-precision Study of the Rare Decay of a Charged Kaon Into a Charged Pion and an Electron-positron Pair PDF Download
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Author: Scott Walter Eilerts
Publisher:
ISBN:
Category : Branching ratios (Nuclear physics)
Languages : en
Pages : 298
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Author: Scott Walter Eilerts
Publisher:
ISBN:
Category : Branching ratios (Nuclear physics)
Languages : en
Pages : 298
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Author: Abhay Lalit Deshpande
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Category :
Languages : en
Pages :
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Author: M. BAKER
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Category :
Languages : en
Pages : 1
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The decay mode of the charged K meson into a charged pion and an electron-positron pair is calculated. It has previously been estimate to occur once in ten million events. An occurrence of one in one hundred thousand events is estimated here. The calculation is only an estimate, for the branching ratio depends upon the (experimentally unknown) pion and kaon form factors, and upon the relative role played by vector and axial-vector weak interaction. (Author).
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ISBN:
Category :
Languages : en
Pages : 27
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The authors present a preliminary study of correlations in rapidity between pairs of identified pions, kaons and protons in hadronic Z° decays into light flavors. Short range charge correlations are observed between all combinations of these hadron species, confirming that charge, strangeness and baryon number are conserved locally in the jet fragmentation process. The range of this effect is found to be independent of momentum. A strong long-range correlation is observed for high-momentum charged kaon pairs, and weaker long-range [pi]-[pi]−, [pi]-K− and p-K− correlations are observed. The SLC electron beam polarization is used to tag the quark hemisphere in each event, allowing the first study of rapidities signed such that positive rapidity is along the quark rather than antiquark direction. Distributions of signed rapidities and of ordered differences between signed rapidities provide new insights into leading particle production and several new tests of fragmentation models.
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 1330
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![Analysis of [neutral-D to a Charged Kaon, a Charged Pion, and a Neutral Pion] Decays PDF](https://books.google.com/books/content/images/frontcover/A6nx0nMiKBYC?fife=w80-h100)
Author: Michael Galante Wilson
Publisher:
ISBN:
Category :
Languages : en
Pages : 374
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Author: Valeri Nikolaevich Jejer
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ISBN:
Category :
Languages : en
Pages : 292
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Author:
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ISBN:
Category : Nuclear energy
Languages : en
Pages : 1040
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Author:
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ISBN:
Category :
Languages : en
Pages : 5
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We present a preliminary study of correlations in rapidity between pairs of identified charged pions, kaons and protons in the SLD data. Details of short-range charge correlations between all combinations of these hadron species are used to study the locality of quantum number conservation, and suggest local charge ordering along the entire hadronization chain. A strong long-range K-K−correlation is observed at high-momentum and weaker long-range [pi]-[pi]−, [pi]+-K− and p-K− and p{bar p} correlations are observed in light flavor events, providing new information on leading particle production in u, d and s jets. The long-range correlations observed in c{bar c} and b {bar b} events are markedly different and consistent with expectations based on known decay properties of the leading heavy hadrons. The SLC electron beam polarization is used to tag the quark hemisphere in each event, allowing the first study of rapidities signed relative to the quark (vs. antiquark) direction. Distributions of ordered, signed rapidity differences provide a new probe of the fragmentation process, including the first direct observation of baryon number ordering along the q 2!{bar q} axis.
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Category :
Languages : en
Pages :
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