Relating D0-anti-D0 Mixing and D0 -> l l- with New Physics

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We point out how, in certain models of New Physics, the same combination of couplings occurs in the amplitudes for both D{sup 0}-{bar D}{sup 0} mixing and the rare decays D{sup 0} {yields} {ell}{sup +}{ell}{sup -}. If the New Physics dominates and is responsible for the observed mixing, then a very simple correlation exists between the magnitudes of each; in fact the rates for the decay D{sup 0} {yields} {ell}{sup +}{ell}{sup -} are completely fixed by the mixing. Observation of D{sup 0} {yields} {ell}{sup +}{ell}{sup -} in excess of the Standard Model prediction could identify New Physics contributions to D{sup ... continued below

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25 pages

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Golowich, Eugene; /Massachusetts U., Amherst; Hewett, JoAnne; /SLAC; Pakvasa, Sandip; U., /Hawaii et al. March 31, 2009.

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We point out how, in certain models of New Physics, the same combination of couplings occurs in the amplitudes for both D{sup 0}-{bar D}{sup 0} mixing and the rare decays D{sup 0} {yields} {ell}{sup +}{ell}{sup -}. If the New Physics dominates and is responsible for the observed mixing, then a very simple correlation exists between the magnitudes of each; in fact the rates for the decay D{sup 0} {yields} {ell}{sup +}{ell}{sup -} are completely fixed by the mixing. Observation of D{sup 0} {yields} {ell}{sup +}{ell}{sup -} in excess of the Standard Model prediction could identify New Physics contributions to D{sup 0}-{bar D}{sup 0} mixing.

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25 pages

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  • Journal Name: Submitted to Physical Review D

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  • Report No.: SLAC-PUB-13565
  • Grant Number: AC02-76SF00515
  • DOI: 10.1103/PhysRevD.79.114030 | External Link
  • Office of Scientific & Technical Information Report Number: 953014
  • Archival Resource Key: ark:/67531/metadc925940

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  • March 31, 2009

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 15, 2016, 3:30 p.m.

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Golowich, Eugene; /Massachusetts U., Amherst; Hewett, JoAnne; /SLAC; Pakvasa, Sandip; U., /Hawaii et al. Relating D0-anti-D0 Mixing and D0 -> l l- with New Physics, article, March 31, 2009; United States. (digital.library.unt.edu/ark:/67531/metadc925940/: accessed August 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.