Rare and forbidden decays of D Mesons

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The authors summarize the results of two recent searches for flavor-changing neutral current, lepton-flavor violating, and lepton-number violating decays of D{sup +}, D{sub s}{sup +}, and D{sup 0} mesons (and their antiparticles) into modes containing muons and electrons. using data from Fermilab charm hadroproduction experiment E791, they examined D{sup +} and D{sub s}{sup +} {pi}{ell}{ell} and {Kappa}{ell}{ell} decay modes and the D{sup 0} dilepton decay modes containing either {ell}{sup +}{ell}{sup {minus}}, a {rho}{sup 0}, {bar {Kappa}}*{sup 0}, or {phi} vector meson, or a non-resonant {pi}{pi}, {Kappa}{pi}, or {Kappa}{Kappa} pair of pseudoscalar mesons. No evidence for any of these decays was ... continued below

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629528 Kilobytes pages

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al., David A. Sanders et May 23, 2001.

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The authors summarize the results of two recent searches for flavor-changing neutral current, lepton-flavor violating, and lepton-number violating decays of D{sup +}, D{sub s}{sup +}, and D{sup 0} mesons (and their antiparticles) into modes containing muons and electrons. using data from Fermilab charm hadroproduction experiment E791, they examined D{sup +} and D{sub s}{sup +} {pi}{ell}{ell} and {Kappa}{ell}{ell} decay modes and the D{sup 0} dilepton decay modes containing either {ell}{sup +}{ell}{sup {minus}}, a {rho}{sup 0}, {bar {Kappa}}*{sup 0}, or {phi} vector meson, or a non-resonant {pi}{pi}, {Kappa}{pi}, or {Kappa}{Kappa} pair of pseudoscalar mesons. No evidence for any of these decays was found. Therefore, the authors presented branching-fraction upper limits at 90% confidence level for the 51 decay modes examined. Twenty-six of these modes had no previously reported limits, and eighteen of the remainder were reported with significant improvements over previously published results.

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629528 Kilobytes pages

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  • XXXVI Rencontre de Moriond, Electroweak Interactions and Unified Theories, Les Arcs (FR), 03/10/2001--03/17/2001

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  • Report No.: FERMILAB-Conf-01/068-E
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 781011
  • Archival Resource Key: ark:/67531/metadc715613

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  • May 23, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • April 1, 2016, 5:46 p.m.

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al., David A. Sanders et. Rare and forbidden decays of D Mesons, article, May 23, 2001; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc715613/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.