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Search for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>D</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mrow><mml:msup><mml:mover><mml:mrow><mml:mi>D</mml:mi></mml:mrow><mml:mrow><mml:mi>¯</mml:mi></mml:mrow></mml:mover><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>Mixing in Semileptonic Decay Modes

Aitala Em,S. Amato,Anjos Jc,Appel Ja,D. Ashery,S. Banerjee,I. Bediaga,G. Blaylock,Bracker Sb,P. R. Burchat,Burnstein Ra,Thomas Carter,Carvalho Hs,Copty Nk,I. Costa,Cremaldi Lm,C. Darling,K. Denisenko,A. Fernández,P. Gagnon,S.A. Gerzon,C. Göbel,K. Gounder,Halling Am,G. Herrera,G. Hurvits,C. James,Kasper Pa,S. Kwan,Langs Dc,J. R. Leslie,B. Lundberg,S. MayTal-Beck,Brian Meadows,J. R. T. de Mello Neto,Milburn Rh,de Miranda Jm,A. Napier,A. Nguyen,d'Oliveira Ab,K. O’Shaughnessy,Peng Kc,Perera Lp,M. V. Purohit,B. Quinn,S. Radeztsky,A. Rafatian,Reay Nw,Reidy Jj,dos Reis Ac,Rubin Ha,Santha Ak,Alberto Santoro,Schwartz Aj,M. Sheaff,Sidwell Ra,Slaughter Aj,Michael Sokoloff,Stanton Nr,Kevin Stenson,K. Sugano,D. J. Summers,S. Takach,K. A. Thorne

Physics

Particle physics

Charge (physics)

1996

We report the result of a search for ${D}^{0}\overline{D}{}^{0}$ mixing in the data from hadroproduction experiment E791 at Fermilab. We use the charge of the pion from the strong decay ${D}^{*+}\ensuremath{\rightarrow}{D}^{0}{\ensuremath{\pi}}^{+}$ (and charge conjugate) to identify the charm quantum number of the neutral $D$ at production, and the charge of the lepton and the kaon in the semileptonic decays ${D}^{0}\ensuremath{\rightarrow}\mathrm{Ke}\ensuremath{\nu}$ and $K\ensuremath{\mu}\ensuremath{\nu}$ to identify the charm at the time of decay. No evidence of mixing is seen. We set a 90% confidence level upper limit on mixing of $r<0.50%$, where $r\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}\ensuremath{\gamma}({D}^{0}\ensuremath{\rightarrow}\overline{D}{}^{0}\ensuremath{\rightarrow}{K}^{+}{l}^{\ensuremath{-}}{\overline{\ensuremath{\nu}}}_{l})/\ensuremath{\gamma}({D}^{0}\ensuremath{\rightarrow}{K}^{\ensuremath{-}}{l}^{+}{\ensuremath{\nu}}_{l})$.

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“Search for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>D</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mrow><mml:msup><mml:mover><mml:mrow><mml:mi>D</mml:mi></mml:mrow><mml:mrow><mml:mi>¯</mml:mi></mml:mrow></mml:mover><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>Mixing in Semileptonic Decay Modes” is a paper by Aitala Em S. Amato Anjos Jc Appel Ja D. Ashery S. Banerjee I. Bediaga G. Blaylock Bracker Sb P. R. Burchat Burnstein Ra Thomas Carter Carvalho Hs Copty Nk I. Costa Cremaldi Lm C. Darling K. Denisenko A. Fernández P. Gagnon S.A. Gerzon C. Göbel K. Gounder Halling Am G. Herrera G. Hurvits C. James Kasper Pa S. Kwan Langs Dc J. R. Leslie B. Lundberg S. MayTal-Beck Brian Meadows J. R. T. de Mello Neto Milburn Rh de Miranda Jm A. Napier A. Nguyen d'Oliveira Ab K. O’Shaughnessy Peng Kc Perera Lp M. V. Purohit B. Quinn S. Radeztsky A. Rafatian Reay Nw Reidy Jj dos Reis Ac Rubin Ha Santha Ak Alberto Santoro Schwartz Aj M. Sheaff Sidwell Ra Slaughter Aj Michael Sokoloff Stanton Nr Kevin Stenson K. Sugano D. J. Summers S. Takach K. A. Thorne published in 1996. It has an Open Access status of “green”. You can read and download a PDF Full Text of this paper here.