Study of the Decay K/sup 0//sub L/. --]. Pi. E. Nu PDF Download
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![Study of the Decay K/sup 0//sub L/. --]. Pi. E. Nu PDF](https://books.google.com/books/content/images/frontcover/yzkFwgEACAAJ?fife=w150-h200)
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Languages : en
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Results are reported from a Dalitz plot analysis of 17750 K/sup 0//sub e3/ candidates obtained in an experiment designed to study both the semileptonic and 3.pi. decay modes of the K/sup 0//sub L/ with high efficiency across the Dalitz plot.
![Study of the Decay K/sup 0//sub L/. --]. Pi. E. Nu PDF](https://books.google.com/books/content/images/frontcover/yzkFwgEACAAJ?fife=w80-h100)
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Languages : en
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Results are reported from a Dalitz plot analysis of 17750 K/sup 0//sub e3/ candidates obtained in an experiment designed to study both the semileptonic and 3.pi. decay modes of the K/sup 0//sub L/ with high efficiency across the Dalitz plot.
![Study of the Decay K(L) -] Pi+- E-+ Nu E+ E- to Probe the Semileptonic K-pi Structure PDF](https://books.google.com/books/content/images/frontcover/q4-cDAEACAAJ?fife=w80-h100)
Author: Katsushige Kotera
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Languages : en
Pages : 135
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The authors observed a new neutral kaon decay mode, K{sub L} {yields} {pi}{sup {+-}}e{sup {-+}}{bar {nu}}e{sup +}e{sup -} for the first time. Based on the 20225 events including 1018 {+-} 25 background events, they determined the branching ratio, B(K{sub L} {yields} {pi}{sup {+-}}e{sup {-+}}{bar {nu}}e{sup +}e{sup -}; M{sub e{sup +}e{sup -}}> 5 MeV/c{sup 2}, E*{sub e{sup +}e{sup -}}> 30 MeV) = (1.281 {+-} 0.041) x 10{sup -5}. This branching ratio agrees with a theoretical prediction based on the chiral perturbation theory ({chi}PT) calculation at {Omicron}(p{sup 4}). Most of the kinematical distributions agree with the {chi}PT {Omicron}(p{sup 4}) calculation. They also measured one of the low energy coupling constants for the {chi}PT {Omicron}(p{sup 4}), L{sub 9}{sup r} = (8.0 {+-} 1.6) x 10{sup -3}. The M{sub e{sup +}e{sup -}} distribution below 100 MeV showed a 3 {sigma} deviation from the {chi}PT {Omicron}(p{sup 4}) calculation. This requires further studies in theory and experiments.
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Category : Power resources
Languages : en
Pages : 840
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Category : Power resources
Languages : en
Pages : 1048
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![Study of the Decay[tau][sup -][yields] 2[pi][sup -][pi][sup+]3[pi][sup 0][nu][sub[tau]. PDF](https://books.google.com/books/content/images/frontcover/3wHMjwEACAAJ?fife=w80-h100)
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Languages : en
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The decay[tau][sup -][yields] 2[pi][sup -][pi][sup+]3[pi][sup 0][nu][sub[tau]] has been studied with the CLEO II detector at the Cornell Electron Storage Ring (CESR). The branching fraction is measured to be (2.85[+-] 0.56[+-] 0.51) x 10[sup -4]. The result is in good agreement with the isospin expectation but somewhat below the Conserved-Vector-Current (CVC) prediction. We have searched for resonance substructure in the decay. Within the statistical precision, the decay is saturated by the channels[tau][sup -][yields][pi][sup -]2[pi][sup 0][omega][nu][sub[tau]], 2[pi][sup -][pi][sup+][eta][nu][sub[tau]], and[pi][sup -]2[pi][sup 0][eta][nu][sub[tau]]. This is the first observation of this[omega] decay mode and the branching fraction is measured to be (1.89[sub -0.67][sup+0.74][+-] 0.40) x 10[sup -4].
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Category : Aeronautics
Languages : en
Pages : 694
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Category : Nuclear energy
Languages : en
Pages : 912
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Category : Government reports announcements & index
Languages : en
Pages : 1688
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![A STUDY OF THE DECAY MODE K[sub]L[/sub][sup]0[/sup] [sup]+[/sup][sup]-[/sup][sup]0[/sup]. PDF](https://books.google.com/books/content/images/frontcover/O4nywQEACAAJ?fife=w80-h100)
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Category :
Languages : en
Pages :
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Category : Science
Languages : en
Pages : 1158
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