New Modes: D{sup +}{sub s} {yields} {rho}{sup +}{gamma}, D{sup +} {yields} {Kappa}{sup *+}{gamma}, and weak annihilation

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A class of decay modes sensitive to only one quark topology at leading G{sub F} order (annihilation of valence quarks through a W) is described. No experimental observations, nor even upper limits, have been reported for these decays. This work represents a simpleminded (order-of-magnitude) first calculation of their branching fractions. Although rare, one of these modes D{sup +}{sub s} {yields} {rho}{sup +}{gamma} might already be observable at charm experiments, while another D{sup +} {yields} {Kappa}{sup *+}{gamma} should appear at the B factories, and the rest at hadron colliders.

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359 KILOBYTES pages

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Lebed, R.F. August 1, 1999.

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Description

A class of decay modes sensitive to only one quark topology at leading G{sub F} order (annihilation of valence quarks through a W) is described. No experimental observations, nor even upper limits, have been reported for these decays. This work represents a simpleminded (order-of-magnitude) first calculation of their branching fractions. Although rare, one of these modes D{sup +}{sub s} {yields} {rho}{sup +}{gamma} might already be observable at charm experiments, while another D{sup +} {yields} {Kappa}{sup *+}{gamma} should appear at the B factories, and the rest at hadron colliders.

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359 KILOBYTES pages

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  • Other Information: No journal information given for this preprint; PBD: 1 Aug 1999

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  • Report No.: DOE/ER/40150-1326
  • Report No.: JLAB-THY-99-23
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 753346
  • Archival Resource Key: ark:/67531/metadc708322

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • August 1, 1999

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 5, 2016, 8:52 p.m.

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Lebed, R.F. New Modes: D{sup +}{sub s} {yields} {rho}{sup +}{gamma}, D{sup +} {yields} {Kappa}{sup *+}{gamma}, and weak annihilation, article, August 1, 1999; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc708322/: accessed April 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.